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ICC IRC Commentary Volume 1 2021 1stptg

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International Residential Code and Commentary, Volume 1

Published By Publication Date Number of Pages
ICC 2021 949
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This comprehensive publication provides a convenient reference for regulations in chapters 1 through 11 of the 2018 International Residential Code® (IRC®). The commentary series is presented in an easy-to-understand format. Every chapter begins with “General Comments” and “Purpose” sections followed by code and commentary to subsequent sections, tables and figures. This in-depth publication focuses on providing the full meaning and implications of the 2021 IRC®.

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PDF Pages PDF Title
1 2021 IRC® CODE AND COMMENTARY VOLUME 1
2 2021 IRC® CODE AND COMMENTARY VOLUME 1 TITLE PAGE
3 COPYRIGHT
4 PREFACE
6 TABLE OF CONTENTS
8 PART I—ADMINISTRATIVE
CHAPTER 1: SCOPE AND ADMINSTRATION
GENERAL COMMENTS
9 PURPOSE
PART 1—SCOPE AND APPLICATION
SECTION R101 SCOPE AND GENERAL REQUIREMENTS
10 SECTION R102 APPLICABILITY
12 PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION R103 DEPARTMENT OF BUILDING SAFETY
13 SECTION R104 DUTIES AND POWERS OF THE BUILDING OFFICIAL
14 COMMENTARY FIGURE R104.5 PERSONNEL IDENTIFICATION BADGE
17 SECTION R105 PERMITS
21 SECTION R106 CONSTRUCTION DOCUMENTS
25 SECTION R107 TEMPORARY STRUCTURES AND USES
SECTION R108 FEES
26 SECTION R109 INSPECTIONS
28 SECTION R110 CERTIFICATE OF OCCUPANCY
29 COMMENTARY FIGURE R110.3 CERTIFICATE OF OCCUPANCY
30 SECTION R111 SERVICE UTILITIES
SECTION R112 BOARD OF APPEALS
31 SECTION R113 VIOLATIONS
SECTION R114 STOP WORK ORDER
32 BIBLIOGRAPHY
34 PART II—DEFINITIONS
CHAPTER 2: DEFINITIONS
GENERAL COMMENTS
PURPOSE
SECTION R201 GENERAL
SECTION R202 DEFINITIONS
35 COMMENTARY FIGURE R202(1) AIR ADMITTANCE VALVE OPENS TO ADMIT AIR TO RELIEVE NEGATIVE PRESSURE
COMMENTARY FIGURE R202(2) AIR ADMITTANCE VALVE CLOSES AND SEALS VENT UNDER ZERO OR POSITIVE PRESSURE
36 COMMENTARY FIGURE R202(3) AIR GAP, AIR BREAK
40 COMMENTARY FIGURE R202(4) BRANCH VENT
41 COMMENTARY FIGURE R202(5) DRAINAGE SYSTEM COMPONENTS
44 COMMENTARY FIGURE R202(6) ELECTRIC HYDRONIC CONVECTOR
48 COMMENTARY FIGURE R202(7) FULL OPENING EXHAUST HOOD
50 COMMENTARY FIGURE R202(8) FIRE SEPARATION DISTANCE
51 COMMENTARY FIGURE R202(9) FIXTURE AND HORIZONTAL BRANCH DRAIN
COMMENTARY FIGURE R202(10) FIXTURE DRAIN
56 COMMENTARY FIGURE R202(11) HEIGHT OF BUILDING
COMMENTARY FIGURE R202(12) STORY HEIGHT
57 COMMENTARY FIGURE R202(13) HIGH-TEMPERATURE CHIMNEY
70 COMMENTARY FIGURE R202(14) RUNNING BOND MASONRY
74 COMMENTARY FIGURE R202(15) EXAMPLE OF STORY ABOVE GRADE PLANE
75 COMMENTARY FIGURE R202(16) SUMP PUMP
77 COMMENTARY FIGURE R202(17) DEPTH OF WATER SEAL
80 BIBLIOGRAPHY
82 PART III—BUILDING PLANNING AND CONSTRUCTION
CHAPTER 3: BUILDING PLANNING
GENERAL COMMENTS
83 PURPOSE
SECTION R301 DESIGN CRITERIA
85 COMMENTARY FIGURE R301.2 FROST LINE DEPTH
88 TABLE R301.2 CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
89 FIGURE R301.2(1) WEATHERING PROBABILITY MAP FOR CONCRETEa
90 FIGURE R301.2(2) ULTIMATE DESIGN WIND SPEEDS
91 FIGURE R301.2(3) GROUND SNOW LOADS, Pg, FOR THE UNITED STATES (lb/ft2)
92 FIGURE R301.2(4) GROUND SNOW LOADS, Pg, FOR THE UNITED STATES (lb/ft2)
93 FIGURE R301.2.1 COMPONENT AND CLADDING PRESSURE ZONES
94 TABLE R301.2.1(1) COMPONENT AND CLADDING LOADS FOR A BUILDING WITH A MEAN ROOF HEIGHT OF 30 FEET LOCATED IN EXPOSURE B (ASD)
95 TABLE R301.2.1(1)—continued COMPONENT AND CLADDING LOADS FOR A BUILDING WITH A MEAN ROOF HEIGHT OF 30 FEET LOCATED IN EXPOSURE B (ASD)
96 TABLE R301.2.1(1)—continued COMPONENT AND CLADDING LOADS FOR A BUILDING WITH A MEAN ROOF HEIGHT OF 30 FEET LOCATED IN EXPOSURE B (ASD) (psf) a, b, c, d, e, f, g
97 TABLE R301.2.1(2) HEIGHT AND EXPOSURE ADJUSTMENT COEFFICIENTS FOR Table R301.2.1(1)
COMMENTARY FIGURE R301.2.1 WIND FORCES ACTING ON AREA
98 FIGURE R301.2.1.1 REGIONS WHERE WIND DESIGN IS REQUIRED
100 COMMENTARY FIGURE R301.2.1.1.1 SUNROOM MINIMUM REQUIREMENTS
101 TABLE R301.2.1.2 WINDBORNE DEBRIS PROTECTION FASTENING SCHEDULE FOR WOOD STRUCTURAL PANELSa
TABLE R301.2.1.3 WIND SPEED CONVERSIONSa
103 TABLE R301.2.1.5.1 ULTIMATE DESIGN WIND SPEED MODIFICATION FOR TOPOGRAPHIC WIND EFFECTa
FIGURE R301.2.1.5.1(1) TOPOGRAPHIC FEATURES FOR WIND SPEED-UP EFFECT
104 FIGURE R301.2.1.5.1(2) ILLUSTRATION OF WHERE ON A TOPOGRAPHIC FEATURE, WIND SPEED INCREASE IS APPLIED
FIGURE R301.2.1.5.1(3) UPWIND OBSTRUCTION
COMMENTARY FIGURE R301.2.2 SEISMIC FORCE
106 TABLE R301.2.2.1.1 SEISMIC DESIGN CATEGORY DETERMINATION
108 FIGURE R301.2.2.1(1) SEISMIC DESIGN CATEGORIES—ALASKAa
109 FIGURE R301.2.2.1(2) SEISMIC DESIGN CATEGORIES—HAWAIIa
110 FIGURE R301.2.2.1(3) SEISMIC DESIGN CATEGORIES—PUERTO RICOa
111 FIGURE R301.2.2.1(4) SEISMIC DESIGN CATEGORIES—NORTHERN MARIANA ISLANDS AND AMERICAN SAMOAa
112 FIGURE R301.2.2.1(5) SEISMIC DESIGN CATEGORIES—UNITED STATESa
113 FIGURE R301.2.2.1(6) SEISMIC DESIGN CATEGORIES—UNITED STATESa
114 FIGURE R301.2.2.1.1(1) ALTERNATE SEISMIC DESIGN CATEGORIES—ALASKAa
115 FIGURE R301.2.2.1.1(2) ALTERNATE SEISMIC DESIGN CATEGORIES—HAWAIIa
116 FIGURE R301.2.2.1.1(3) ALTERNATE SEISMIC DESIGN CATEGORIES—PUERTO RICOa
117 FIGURE R301.2.2.1.1(4) ALTERNATE SEISMIC DESIGN CATEGORIES—NORTHERN MARIANA ISLANDS AND AMERICAN SAMOAa
118 FIGURE R301.2.2.1.1(5) ALTERNATE SEISMIC DESIGN CATEGORIES—UNITED STATESa
119 FIGURE R301.2.2.1.1(6) ALTERNATE SEISMIC DESIGN CATEGORIES—UNITED STATESa
121 COMMENTARY FIGURE R301.2.2.2.6(1) BRACED WALL PANELS OUT OF PLANE
122 COMMENTARY FIGURE R301.2.2.2.6(2) BRACED WALL PANELS SUPPORTED BY CANTILEVER OR SET BACK
COMMENTARY FIGURE R301.2.2.2.6(3) FLOOR OR ROOF NOT SUPPORTED AT ALL EDGES
COMMENTARY FIGURE R301.2.2.2.6(4) ROOF OR FLOOR EXTENSION BEYOND BRACED WALL LINE
123 COMMENTARY FIGURE R301.2.2.2.6(5) BRACED WALL PANEL EXTENSION OVER OPENING
COMMENTARY FIGURE R301.2.2.2.6(6) OPENING LIMITATIONS FOR FLOOR AND ROOF DIAPHRAGMS
COMMENTARY FIGURE R301.2.2.2.6(7) PORTIONS OF FLOOR LEVEL OFFSET VERTICALLY
124 COMMENTARY FIGURE R301.2.2.2.6(8) BRACED WALL LINES NOT PERPENDICULAR
127 COMMENTARY FIGURE R301.4 MINIMUM DESIGN DEAD LOADS FOR TYPICAL RESIDENTIAL COMPONENTS
128 TABLE R301.5 MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS
129 TABLE R301.6 MINIMUM ROOF LIVE LOADS IN POUNDS-FORCE PER SQUARE FOOT OF HORIZONTAL PROJECTION
TABLE R301.7 ALLOWABLE DEFLECTION OF STRUCTURAL MEMBERS
COMMENTARY FIGURE R301.7 BEAM DEFLECTION
130 SECTION R302 FIRE-RESISTANT CONSTRUCTION
131 COMMENTARY FIGURE R302.1(1) EXTERIOR WALLS AND PROJECTIONS FOR DWELLINGS WITHOUT AUTOMATIC SPRINKLER SYSTEMS
132 COMMENTARY FIGURE R302.1(2) EXTERIOR WALL FIRE-RESISTANCE-RATED REQUIREMENTS AND PROHIBITED OPENINGS FOR DWELLINGS WITHOUT AUTOMATIC SPRINKLER SYSTEMS
133 COMMENTARY FIGURE R302.1(3) EXTERIOR WALL FIRE-RESISTANCE-RATED REQUIREMENTS AND PROHIBITED OPENINGS FOR DWELLINGS WITHOUT AUTOMATIC SPRINKLER SYSTEMS
COMMENTARY FIGURE R302.1(4) MINIMUM FIRE SEPARATION DISTANCE COMPARISON (NONRATED CONSTRUCTION)
134 TABLE R302.1(1) EXTERIOR WALLS
TABLE R302.1(2) EXTERIOR WALLS—DWELLINGS WITH FIRE SPRINKLERS
135 COMMENTARY FIGURE R302.2.2 TOWNHOUSE UNIT SEPARATION
136 COMMENTARY FIGURE R302.2.4(1) PARAPET REQUIREMENT FOR WALLS BETWEEN TOWNHOUSES UNITS
137 COMMENTARY FIGURE R302.2.4(2) EXCEPTION TO ELIMINATE PARAPET
COMMENTARY FIGURE R302.2.5 PARAPET REQUIREMENTS
139 COMMENTARY FIGURE R302.3 DWELLING UNIT SEPARATION IN TWO-FAMILY DWELLINGS
COMMENTARY FIGURE R302.3.1 SUPPORT OF DWELLING UNIT SEPARATION
140 COMMEMNTARY FIGURE R302.4.1 TYPES OF PENETRATIONS
142 COMMENTARY FIGURE R302.4.2(1) MEMBRANE PENETRATION BY OUTLET BOX
143 COMMENTARY FIGURE R302.4.2(2) EXCEPTION TO ANNULAR SPACE PROTECTION
144 COMMENTARY FIGURE R302.5.2 GARAGE/DWELLING SEPARATION
TABLE R302.6 DWELLING-GARAGE SEPARATION
145 COMMENTARY FIGURE R302.6 SEPARATION BETWEEN ATTACHED GARAGES AND DWELLING UNITS
147 COMMENTARY FIGURE R302.9.4 INTERIOR FIRE TEST ROOM DIMENSIONS
148 COMMENTARY FIGURE R302.10.1 INSULATION FACING
150 COMMENTARY FIGURE R302.11(1) FIREBLOCKING—BALLON FRAMING
COMMENTARY FIGURE R302.11(2) FIREBLOCKING—PLATFORM FRAMING
COMMENTARY FIGURE R302.11(3) FIREBLOCKING—FURRED SOFFIT
COMMENTARY FIGURE R302.11(4) FIREBLOCKING—DROPPED CEILING
COMMENTARY FIGURE R302.11(5) FIREBLOCKING—COVE CEILING
151 COMMENTARY FIGURE R302.11(6) FIREBLOCKING—AT TUB
COMMENTARY FIGURE R301.11(7) FIREBLOCKING—AT STAIRWAYS
COMMENTARY FIGURE R302.11(8) FIREBLOCKING—AROUND PIPING
152 COMMENTARY FIGURE R302.11(9) FIREBLOCKING—AROUND MASONRY CHIMNEYS AND FIREPLACES
153 COMMENTARY FIGURE R302.12(1) DRAFTSTOPPING OF CEILING SUSPENDED UNDER FLOOR FRAMING
COMMENTARY FIGURE R302.12(2) DRAFTSTOPPING OF TRUSS-TYPE FLOOR FRAMING
154 SECTION R303 LIGHT, VENTILATION AND HEATING
155 COMMENTARY FIGURE R303.2 NATURAL LIGHT
156 COMMENTARY FIGURE R303.5.1 AIR INTAKE OPENING LOCATIONS
157 COMMENTARY FIGURE R303.7 STAIRWAY ILLUMINATION
158 COMMENTARY FIGURE R303.10 REQUIRED HEATING
159 SECTION R304 MINIMUM ROOM AREAS
COMMENTARY FIGURE R304.1 ROOM AREA AND DIMENSIONS
COMMENTARY FIGURE R304.3 HEIGHT EFFECT ON ROOM AREA
SECTION R305 CEILING HEIGHT
160 SECTION R306 SANITATION
SECTION R307 TOILET, BATH AND SHOWER SPACES
161 FIGURE R307.1 MINIMUM FIXTURE CLEARANCES
SECTION R308 GLAZING
164 TABLE R308.3.1(1) MINIMUM CATEGORY CLASSIFICATION OF GLAZING USING CPSC 16 CFR 1201
TABLE R308.3.1(2) MINIMUM CATEGORY CLASSIFICATION OF GLAZING USING ANSI Z97.1
COMMENTARY FIGURE R308.4 HAZARDOUS LOCATIONS
165 COMMENTARY FIGURE R308.4.2(1) GLAZING IN PANELSADJACENT TO DOORS—ELEVATION
COMMENTARY FIGURE R308.4.2(2) GLAZING IN PANELS ADJACENT TO DOORS—PLAN(Section R308.4.2)
166 COMMENTARY FIGURE R308.4.2(3) BARRIER BETWEEN GLAZING AND DOOR
COMMENTARY FIGURE R308.4.2(4) GLAZING IN PANELS ADJACENT TO DOORS—PLAN
167 COMMENTARY FIGURE R308.4.3 PROTECTIVE BAR ALTERNATIVE
168 COMMENTARY FIGURE R308.4.5(1) GLAZING WITHIN A SHOWER ENCLOSURE
COMMENTARY FIGURE R308.4.5(2) GLAZING IN WET AREAS ADJACENT TO HOT TUBS, SPAS, WHIRLPOOLS, SAUNAS, STEAM ROOMS, BATHTUBS, SHOWERS AND SWIMMING POOLS
COMMENTARY FIGURE R308.4.5(3) GLAZING AND WET SURFACES—PLAN VIEW
169 COMMENTARY FIGURE R308.4.6 GLAZING ADJACENT TO STAIRWAYS
170 FIGURE R308.4.7 HAZARDOUS GLAZING LOCATIONS AT BOTTOM STAIR LANDINGS
COMMENTARY FIGURE R308.4.7 GLAZING ADJACENT TO THE BOTTOM STAIR LANDING
172 SECTION R309 GARAGES AND CARPORTS
173 SECTION R310 EMERGENCY ESCAPE AND RESCUE OPENINGS
175 COMMENTARY FIGURE R310.2.1 EMERGENCY ESCAPE AND RESCUE WINDOW
176 COMMENTARY FIGURE R310.4 WINDOW WELLS
177 COMMENTARY FIGURE R310.4.2 LADDERS AND STEPS
179 SECTION R311 MEANS OF EGRESS
180 COMMENTARY FIGURE R311.3.1 THRESHOLD HEIGHTS
181 COMMENTARY FIGURE R311.7.1 STAIRWAY CLEARANCES
182 COMMENTARY FIGURE R311.7.2(1) MINIMUM HEADROOM
COMMENTARY FIGURE R311.7.2(2) EXAMPLE OF EXCEPTION TO SECTION R311.7.2
184 COMMENTARY FIGURE R311.7.5.1(1) CONVENTIONAL STAIRWAY
COMMENTARY FIGURE R311.7.5.1(2) STAIR TOLERANCES
185 COMMENTARY FIGURE R311.7.5.2.1(1) WINDERS
COMMENTARY FIGURE R311.7.5.2.1(2) WINDERS USED FOR CIRCULAR STAIRWAY
186 COMMENTARY FIGURE R311.7.5.3 NOSINGS
187 COMMENTARY FIGURE R311.7.6(1) LANDINGS AT STAIRS AND DOORS
COMMENTARY FIGURE R311.7.6(2) EXAMPLE OF LANDING OF SHAPES OTHER THAN SQUARE OR RECTANGULAR
188 COMMENTARY FIGURE R311.7.8.4 HANDRAILS
189 COMMENTARY FIGURE R311.7.8.5(1) TYPE I HANDRAIL
COMMENTARY FIGURE R311.7.8.5(2) TYPE II HANDRAIL
190 COMMENTARY FIGURE R311.7.10.1 SPIRAL STAIRS
COMMENTARY FIGURE R311.7.10.2 BULKHEAD ENCLOSURE STAIRWAY
191 COMMENTARY FIGURE R311.7.11 TYPICAL ALTERNATING TREAD DEVICE
193 COMMENTARY FIGURE R311.7.12 TYPICAL SHIP’S LADDER
194 SECTION R312 GUARDS AND WINDOW FALL PROTECTION
COMMENTARY FIGURE R312.1.1 DROP OFF AND GUARD HEIGHT REQUIREMENTS
195 COMMENTARY FIGURE R312.1.2 STAIRWAY GUARD
196 COMMENTARY FIGURE R312.1.3 GUARD REQUIREMENTS
197 COMMENTARY FIGURE R312.2.1 WINDOW SILL HEIGHT
SECTION R313 AUTOMATIC FIRE SPRINKLER SYSTEMS
198 SECTION R314 SMOKE ALARMS
199 COMMENTARY FIGURE R314.3(1) LOCATION OF SMOKE ALARMS
COMMENTARY FIGURE R314.3(2) SMOKE ALARM LOCATION
201 SECTION R315 CARBON MONOXIDE ALARMS
202 COMMENTARY FIGURE R315.3 LOCATION OF CARBON MONOXIDE ALARMS
203 SECTION R316 FOAM PLASTIC
204 COMMENTARY FIGURE R316.1 USE AND INSTALLATION REQUIREMENTS OF FOAM PLASTIC IN BUILDING CONSTRUCTION
206 COMMENTARY FIGURE R316.5.1 ENCAPSULATED FOAM PLASTIC
207 COMMENTARY FIGURE R316.5.3 FOAM PLASTIC, ATTIC AND CRAWL SPACES
209 COMMENTARY FIGURE R316.5.11 FOAM PLASTIC SPRAY APPLIED TO SILL PLATE AND HEADER
210 SECTION R317 PROTECTION OF WOOD AND WOOD-BASED PRODUCTS AGAINST DECAY
211 COMMENTARY FIGURE R317.1(1) MINIMUM SEPARATION OF NONTREATED WOOD FROM GROUND
COMMENTARY FIGURE R317.1(2) WOOD SILLS ON FOUNDATION WALLS
212 COMMENTARY FIGURE R317.1(3) WOOD SILLS AND SLEEPERS
COMMENTARY FIGURE R317.1(4) NONTREATED WOOD PROJECTING INTO BEAM POCKET
COMMENTARY FIGURE R317.1(5) NONTREATED WOOD SIDING OR SHEATHING
213 COMMENTARY FIGURE R317.1.2 WOOD POST EMBEDDED IN CONCRETE
214 COMMENTARY FIGURE R317.2.1 TYPICAL LABEL FOR PRESSURE-TREATED WOOD
215 SECTION R318 PROTECTION AGAINST SUBTERRANEAN TERMITES
216 SECTION R319 SITE ADDRESS
SECTION R320 ACCESSIBILITY
217 SECTION R321 ELEVATORS AND PLATFORM LIFTS
218 FIGURE R318 .4 TERMITE INFESTATION PROBABILITY MAP
219 COMMENTARY FIGURE R321.2(1) PLATFORM (WHEELCHAIR) LIFT
COMMENTARY FIGURE R321.2(2) STAIRWAY CHAIR LIFT
SECTION R322 FLOOD-RESISTANT CONSTRUCTION
224 COMMENTARY FIGURE R322.2(1) SAMPLE FIRM ILLUSTRATING FLOOD ZONES (RIVERINE)
COMMENTARY FIGURE R322.2(2) SAMPLE FIRM ILLUSTRATING FLOOD ZONES (COASTAL)
230 COMMENTARY FIGURE R322.3.5 DETERMINING PERCENT OPEN AREA FOR LATTICE AND LOUVER WALLS
232 SECTION R323 STORM SHELTERS
SECTION R324 SOLAR ENERGY SYSTEMS
235 SECTION R325 MEZZANINES
236 SECTION R326 HABITABLE ATTICS
237 SECTION R327 SWIMMING POOLS, SPAS AND HOT TUBS
SECTION R328 ENERGY STORAGE SYSTEMS
239 SECTION R329 STATIONARY ENGINE GENERATORS
SECTION R330 STATIONARY FUEL CELL POWER SYSTEMS
240 BIBLIOGRAPHY
242 CHAPTER 4: FOUNDATIONS
GENERAL COMMENTS
PURPOSE
SECTION R401 GENERAL
243 COMMENTARY FIGURE R401.3(1) LOT GRADING EXAMPLE
244 COMMENTARY FIGURE R401.3(2) LOT GRADING EXAMPLE
TABLE R401.4.1 PRESUMPTIVE LOAD-BEARING VALUES OF FOUNDATION MATERIALSa
245 SECTION R402 MATERIALS
COMMENTARY FIGURE R402.1.2 EXAMPLE OF QUALITY MARK FOR PRESSURE-TREATED LUMBER
246 TABLE R402.2 MINIMUM SPECIFIED COMPRESSIVE STRENGTH OF CONCRETE
247 SECTION R403 FOOTINGS
COMMENTARY FIGURE R403.1 TWO EXAMPLES OF CHANGES TO MINIMUM FOOTING WIDTH
249 TABLE R403.1(1) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS FOR LIGHT-FRAME CONSTRUCTION (inches)
250 TABLE R403.1(2) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS FOR LIGHT-FRAME CONSTRUCTION WITH BRICK VENEER OR LATH AND PLASTER (inches)
251 TABLE R403.1(3) MINIMUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS WITH CAST-IN-PLACE CONCRETE OR PARTIALLY GROUTED MASONRY WALL CONSTRUCTION (inches)a
252 FIGURE R403.1(1) PLAIN CONCRETE FOOTINGS WITH MASONRY AND CONCRETE STEM WALLS IN SEISMIC DESIGN CATEGORIES A, B AND C
253 FIGURE R403.1(2) PERMANENT WOOD FOUNDATION BASEMENT WALL SECTION
FIGURE R403.1(3) PERMANENT WOOD FOUNDATION CRAWL SPACE SECTION
254 COMMENTARY FIGURE R403.1.2 CONTINUOUS FOOTING REQUIREMENTS IN HIGH-SEISMIC REGIONS
255 FIGURE R403.1.3 REINFORCED CONCRETE FOOTINGS AND MASONRY AND CONCRETE STEM WALLS IN SDC D0, D1 AND D2
257 COMMENTARY FIGURE R403.1.4 RECOMMENDATION FOR ADJACENT FOOTINGS AT DIFFERENT ELEVATIONS
258 COMMENTARY FIGURE R403.1.5 RECOMMENDATION FOR STEPPED WALL FOOTINGS
259 COMMENTARY FIGURE R403.1.6 WOOD SILL PLATE ANCHORAGE TO FOUNDATIONS
260 FIGURE R403.1.7.1 FOUNDATION CLEARANCE FROM SLOPES
COMMENTARY FIGURE R403.1.7.1 BUILDINGS ADJACENT TO ASCENDING SLOPE EXCEEDING 1 TO 1
261 COMMENTARY FIGURE R403.1.7.2 BUILDINGS ADJACENT TO DESCENDING SLOPE EXCEEDING 1 TO 1
COMMENTARY FIGURE R403.1.7.3 DETERMINATION OF FOUNDATION ELEVATION ON GRADED SITES
263 FIGURE R403.3(1) INSULATION PLACEMENT FOR FROST-PROTECTED FOOTINGS IN HEATED BUILDINGS
264 FIGURE R403.3(2) AIR-FREEZING INDEX AN ESTIMATE OF THE 100-YEAR RETURN PERIOD
265 TABLE R403.3(1) MINIMUM FOOTING DEPTH AND INSULATION REQUIREMENTS FOR FROST-PROTECTED FOOTINGS IN HEATED BUILDINGSa
TABLE R403.3(2) AIR-FREEZING INDEX FOR US LOCATIONS BY COUNTY
266 TABLE R403.3(2)—continued AIR-FREEZING INDEX FOR US LOCATIONS BY COUNTY
267 TABLE R403.3(2)—continued AIR-FREEZING INDEX FOR US LOCATIONS BY COUNTY
268 TABLE R403.3(2)—continued AIR-FREEZING INDEX FOR US LOCATIONS BY COUNTY
269 TABLE R403.3(2)—continued AIR-FREEZING INDEX FOR US LOCATIONS BY COUNTY
270 TABLE R403.3(2)—continued AIR-FREEZING INDEX FOR US LOCATIONS BY COUNTY
FIGURE R403.3(3) INSULATION PLACEMENT FOR FROST-PROTECTED FOOTINGS ADJACENT TO UNHEATED SLAB-ON-GROUND STRUCTURE
271 FIGURE R403.3(4) INSULATION PLACEMENT FOR FROST-PROTECTED FOOTINGS ADJACENT TO HEATED STRUCTURE
272 TABLE R403.4 MINIMUM DEPTH (D) AND WIDTH (W) OF CRUSHED STONE FOOTINGSa, b (inches)
273 FIGURE R403.4(1) BASEMENT OR CRAWL SPACE WITH PRECAST FOUNDATION WALL BEARING ON CRUSHED STONE
FIGURE R403.4(2) BASEMENT OR CRAWL SPACE WITH PRECAST FOUNDATION WALL ON SPREAD FOOTING
274 SECTION R404 FOUNDATION AND RETAINING WALLS
275 TABLE R404.1.1(1) PLAIN MASONRY FOUNDATION WALLSf
276 TABLE R404.1.1(2) 8-INCH MASONRY FOUNDATION WALLS WITH REINFORCING WHERE d ≥ 5 INCHES
277 TABLE R404.1.1(3) 10-INCH MASONRY FOUNDATION WALLS WITH REINFORCING WHERE d ≥ 6.75 INCHES
278 TABLE R404.1.1(4) 12-INCH MASONRY FOUNDATION WALLS WITH REINFORCING WHERE d ≥ 8.75 INCHES
279 TABLE R404.1.2(1) MINIMUM HORIZONTAL REINFORCEMENT FOR CONCRETE BASEMENT WALLSa, b
TABLE R404.1.2(2) MINIMUM VERTICAL REINFORCEMENT FOR 6-INCH NOMINAL FLAT CONCRETE BASEMENT WALLS
280 TABLE R404.1.2(3) MINIMUM VERTICAL REINFORCEMENT FOR 8-INCH (203 mm) NOMINAL FLAT CONCRETE BASEMENT WALLS
281 TABLE R404.1.2(4) MINIMUM VERTICAL REINFORCEMENT FOR 10-INCH NOMINAL FLAT CONCRETE BASEMENT WALLS
282 TABLE R404.1.2(5) MINIMUM VERTICAL WALL REINFORCEMENT FOR 6-INCH WAFFLE-GRID BASEMENT WALLS
283 TABLE R404.1.2(6) MINIMUM VERTICAL REINFORCEMENT FOR 8-INCH WAFFLE-GRID BASEMENT WALLS
284 TABLE R404.1.2(7) MINIMUM VERTICAL REINFORCEMENT FOR 6-INCH (152 mm) SCREEN-GRID BASEMENT WALLS
285 TABLE R404.1.2(8) MINIMUM VERTICAL REINFORCEMENT FOR 6-, 8-, 10- AND 12-INCH NOMINAL FLAT BASEMENT WALLS
286 TABLE R404.1.2(9) MINIMUM SPACING FOR ALTERNATE BAR SIZE AND ALTERNATE GRADE OF STEEL
293 FIGURE R404.1.5.3 FOUNDATION WALL CLAY MASONRY CURTAIN WALL WITH CONCRETE MASONRY PIERS
294 COMMENTARY FIGURE R404.1.7 BEARING FOUNDATION WALLS AGAINST LATERAL EARTH PRESSURE
296 TABLE R404.2.3 PLYWOOD GRADE AND THICKNESS FOR WOOD FOUNDATION CONSTRUCTION
297 SECTION R405 FOUNDATION DRAINAGE
298 TABLE R405.1 PROPERTIES OF SOILS CLASSIFIED ACCORDING TO THE UNIFIED SOIL CLASSIFICATION SYSTEM
SECTION R406 FOUNDATION WATERPROOFING AND DAMPPROOFING
299 COMMENTARY FIGURE R405.1(1) FOUNDATION DRAINAGE FOR HABITABLE SPACE BELOW GRADE
COMMENTARY FIGURE R405.1(2) OTHER SUGGESTED METHODS OF FOUNDATION DRAINAGE
300 COMMENTARY FIGURE R406.1(1) DAMPPROOFING OF MASONRY FOUNDATION
COMMENTARY FIGURE R406.1(2) DAMPPROOFING OF CONCRETE FOUNDATION WALL
COMMENTARY FIGURE R406.1(1) DAMPPROOFING OF MASONRY FOUNDATION WALL
COMMENTARY FIGURE R406.1(2) DAMPPROOFING OF CONCRETE FOUNDATION WALL
301 COMMENTARY FIGURE R406.2 METHODS OF WATERPROOFING BASEMENT WALLS
COMMENTARY FIGURE R406.2 METHODS OF WATERPROOFING BASEMENT WALLS
302 SECTION R407 COLUMNS
COMMENTARY FIGURE R407.3(1) COLUMN ANCHORAGE
COMMENTARY FIGURE R407.3(2) COLUMN ANCHORAGE
COMMENTARY FIGURE R407.3(3) COLUMN ANCHORAGE
SECTION R408 UNDER-FLOOR SPACE
303 COMMENTARY FIGURE R408.1 CRAWL SPACE VENTILATION
305 BIBLIOGRAPHY
308 CHAPTER 5: FLOORS
GENERAL COMMENTS
PURPOSE
SECTION R501 GENERAL
SECTION R502 WOOD FLOOR FRAMING
309 COMMENTARY FIGURE R502.1.1 GRADE MARK EXAMPLES
COMMENTARY FIGURE R502.1.1.1 TREATED LUMBER GRADE MARK
312 FIGURE R502.2 FLOOR CONSTRUCTION
313 TABLE R502.3.1(1) FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential sleeping areas, live load = 30 psf, L/Δ = 360)a
314 TABLE R502.3.1(1)—continued FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential sleeping areas, live load = 30 psf, L/Δ = 360)a
315 TABLE R502.3.1(2) FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential living areas, live load = 40 psf, L/Δ = 360)b
316 TABLE R502.3.1(2)—continued FLOOR JOIST SPANS FOR COMMON LUMBER SPECIES (Residential living areas, live load = 40 psf, L/Δ = 360)b
317 TABLE R502.3.3(1) CANTILEVER SPANS FOR FLOOR JOISTS SUPPORTING LIGHT-FRAME EXTERIOR BEARING WALL AND ROOF ONLYa, b, c, f, g, h
(Floor live load ≤ 40 psf, roof live load ≤ 20 psf)
318 TABLE R502.3.3(2) CANTILEVER SPANS FOR FLOOR JOISTS SUPPORTING EXTERIOR BALCONY
COMMENTARY FIGURE R502.4(1) DOUBLE JOIST UNDER BEARING PARTITION
319 COMMENTARY FIGURE R502.4(2) SPACED JOISTS UNDER BEARING PARTITION WITH BLOCKING AT PENETRATION
COMMENTARY FIGURE R502.5 GIRDER SPAN-SPACING RELATIONSHIP
320 COMMENTARY FIGURE R502.6(1) FLOOR JOIST BEARING ON WOOD
COMMENTARY FIGURE R502.6(2) FLOOR JOIST BEARING ON MASONRY
COMMENTARY FIGURE R502.6(3) FLOOR JOIST BEARING ON RIBBON STRIP
321 COMMENTARY FIGURE R502.6(4) JOIST HANGER AT DOUBLE TOP PLATE
COMMENTARY FIGURE R502.6.1 JOIST AT GIRDER
322 COMMENTARY FIGURE R502.6.2(1) JOIST HANGER AT GIRDER
COMMENTARY FIGURE R502.6.2(2) LEDGER STRIPS AT BEAM OR GIRDER
COMMENTARY FIGURE R502.7 BLOCKING OF JOISTS
323 COMMENTARY FIGURE R502.7.1 INTERMEDIATE LATERAL SUPPORT
324 FIGURE R502.8 CUTTING, NOTCHING AND DRILLING
325 COMMENTARY FIGURE R502.9 POSITIVE CONNECTION BETWEEN POSTS AND GIRDERS
COMMENTARY FIGURE R502.10(1) FLOOR FRAMING FOR MAXIMUM 4-FOOT OPENINGS
326 COMMENTARY FIGURE R502.10(2) FLOOR FRAMING FOR GREATER THAN 4-FOOT OPENINGS
COMMENTARY FIGURE R502.10(3) HANGERS FOR JOIST-HEADER CONNECTION
327 SECTION R503 FLOOR SHEATHING
328 TABLE R503.1 MINIMUM THICKNESS OF LUMBER FLOOR SHEATHING
TABLE R503.1—continued MINIMUM THICKNESS OF LUMBER FLOOR SHEATHING
COMMENTARY FIGURE R503.1(1) FLOOR SHEATHING AS SUBFLOORING
COMMENTARY FIGURE R503.1(2) SUBFLOOR (FLOOR SHEATHING) ORIENTATION
329 COMMENTARY FIGURE R503.1.1 SUBFLOOR (FLOOR SHEATHING) ORIENTATION
330 COMMENTARY FIGURE R503.2.1 PLYWOOD GRADE MARK EXAMPLES
TABLE R503.2.1.1(2) ALLOWABLE SPANS FOR SANDED PLYWOOD COMBINATION SUBFLOOR UNDERLAYMENTa
331 TABLE R503.2.1.1(1) ALLOWABLE SPANS AND LOADS FOR WOOD STRUCTURAL PANELS FOR ROOF AND SUBFLOOR SHEATHING AND COMBINATION SUBFLOOR UNDERLAYMENT
332 COMMENTARY FIGURE R503.2.2(1) IDENTIFICATION OF PLYWOOD SUBFLOOR SPAN LIMITATIONS
COMMENTARY FIGURE R503.2.2(2) COMBINATION SUBFLOOR UNDERLAYMENT ALTERNATIVES
333 COMMENTARY FIGURE R503.3.1 PARTICLEBOARD GRADE MARK EXAMPLE
SECTION R504 PRESSURE PRESERVATIVE-TREATED WOOD FLOORS (ON GROUND)
334 SECTION R505 COLD-FORMED STEEL FLOOR FRAMING
335 COMMENTARY FIGURE R505.1.1 STEEL FRAMING APPLICABILITY LIMITS
337 TABLE R505.3.1(1) FLOOR-TO-FOUNDATION OR BEARING WALL CONNECTION REQUIREMENTS
338 TABLE R505.3.1(2) FLOOR FASTENING SCHEDULEa
FIGURE R505.3.1(1) FLOOR-TO-EXTERIOR LOAD-BEARING WALL STUD CONNECTION
339 FIGURE R505.3.1(2) FLOOR-TO-WOOD-SILL CONNECTION
FIGURE R505.3.1(3) FLOOR-TO-FOUNDATION CONNECTION
340 FIGURE R505.3.1(4) CANTILEVERED FLOOR-TO-FOUNDATION CONNECTION
FIGURE R505.3.1(5) CANTILEVERED FLOOR-TO-WOOD-SILL CONNECTION
341 FIGURE R505.3.1(6) CANTILEVERED FLOOR TO EXTERIOR LOAD-BEARING WALL CONNECTION
FIGURE R505.3.1(7) CONTINUOUS SPAN JOIST SUPPORTED ON INTERIOR LOAD-BEARING WALL
342 FIGURE R505.3.1(8) LAPPED JOISTS SUPPORTED ON INTERIOR LOAD-BEARING WALL
FIGURE R505.3.1(9) BEARING STIFFENERS FOR END JOISTS
343 TABLE R505.3.2 ALLOWABLE SPANS FOR COLD-FORMED STEEL JOISTS—SINGLE OR CONTINUOUS SPANS
344 COMMENTARY FIGURE R505.3.2 SPAN ARRANGEMENT FOR FLOOR JOIST CONTINUOUS OVER SUPPORT
345 FIGURE R505.3.3.2(1) JOIST BLOCKING (SOLID)
FIGURE R505.3.3.2(2)
JOIST BLOCKING (STRAP)
347 FIGURE R505.3.4(1) BEARING STIFFENERS UNDER JAMB STUDS
FIGURE R505.3.4(2) BEARING STIFFENER
348 FIGURE R505.3.7 TRACK SPLICE
FIGURE R505.3.8(1) COLD-FORMED STEEL FLOOR CONSTRUCTION—6-FOOT FLOOR OPENING
349 FIGURE R505.3.8(2) COLD-FORMED STEEL FLOOR CONSTRUCTION—8-FOOT FLOOR OPENING
FIGURE R505.3.8(3) COLD-FORMED STEEL FLOOR CONSTRUCTION: FLOOR HEADER TO TRIMMER CONNECTION—6-FOOT OPENING
350 FIGURE R505.3.8(4) COLD-FORMED STEEL FLOOR CONSTRUCTION: FLOOR HEADER TO TRIMMER CONNECTION—8-FOOT OPENING
SECTION R506 CONCRETE FLOORS (ON GROUND)
COMMENTARY FIGURE R506.1 CONCRETE SLAB-ON-GROUND REQUIREMENTS
351 SECTION R507 EXTERIOR DECKS
353 TABLE R507.2.3 FASTENER AND CONNECTOR SPECIFICATIONS FOR DECKS
354 FIGURE R507.3 DECK POSTS TO DECK FOOTING CONNECTION
355 COMMENTARY FIGURE R507.3.1 MINIMUM FOOTING SIZE FOR DECKS
356 TABLE R507.3.1 MINIMUM FOOTING SIZE FOR DECKS
357 TABLE R507.4 DECK POST HEIGHT
358 TABLE R507.4—continued DECK POST HEIGHT
FIGURE R507.5 TYPICAL DECK JOIST SPANS
361 TABLE R507.5(1) MAXIMUM DECK BEAM SPAN—40 PSF LIVE LOAD
362 TABLE R507.5(2) MAXIMUM DECK BEAM SPAN—50 PSF GROUND SNOW LOADc
363 TABLE R507.5(3) MAXIMUM DECK BEAM SPAN—60 PSF GROUND SNOW LOADc
364 TABLE R507.5(4) MAXIMUM DECK BEAM SPAN—70 PSF GROUND SNOW LOADc
365 TABLE R507.5(5) JOIST SPAN FACTORS FOR CALCULATING EFFECTIVE DECK JOIST SPAN
FIGURE R507.5.1(1) DECK BEAM TO DECK POST
366 FIGURE R507.5.1(2) NOTCHED POST-TO-BEAM CONNECTION
367 FIGURE R507.6 TYPICAL DECK JOIST SPANS
368 TABLE R507.6 MAXIMUM DECK JOIST SPANS
369 TABLE R507.6—continued MAXIMUM DECK JOIST SPANS
TABLE R507.7 MAXIMUM JOIST SPACING FOR WOOD DECKING
371 FIGURE R507.9.1.3(1) PLACEMENT OF LAG SCREWS AND BOLTS IN LEDGERS
FIGURE R507.9.1.3(2) PLACEMENT OF LAG SCREWS AND BOLTS IN BAND JOISTS
373 TABLE R507.9.1.3(1) DECK LEDGER CONNECTION TO BAND JOIST
374 TABLE R507.9.1.3(2) PLACEMENT OF LAG SCREWS AND BOLTS IN DECK LEDGERS AND BAND JOISTS
FIGURE R507.9.2(1) DECK ATTACHMENT FOR LATERAL LOADS
FIGURE R507.9.2(2) DECK ATTACHMENT FOR LATERAL LOADS
375 COMMENTARY FIGURE R507.10.1.1(1) GUARD AT RIM JOIST
COMMENTARY FIGURE R507.10.1.1(2) GUARD AT SIDE JOIST
376 BIBLIOGRAPHY
378 CHAPTER 6: WALL CONSTRUCTION
GENERAL COMMENTS
PURPOSE
SECTION R601 GENERAL
SECTION R602 WOOD WALL FRAMING
379 COMMENTARY FIGURE R602.1.1 GRADE STAMP EXAMPLE FOR DIMENSIONAL LUMBER
COMMENTARY FIGURE R602.1.2(1) END-JOINTED LUMBER-FINGER JOINT
380 COMMENTARY FIGURE R602.1.2(2) GRADE STAMP INCLUDING HRA MARK
383 TABLE R602.3.2 SINGLE TOP-PLATE SPLICE CONNECTION DETAILS
384 COMMENTARY FIGURE R602.3.2 SINGLE TOP-PLATE SPLICE
385 TABLE R602.3(1) FASTENING SCHEDULE
386 TABLE R602.3(1)—continued FASTENING SCHEDULE
387 TABLE R602.3(1)—continued FASTENING SCHEDULE
388 TABLE R602.3(1)—continued FASTENING SCHEDULE
389 TABLE R602.3(2) ALTERNATE ATTACHMENTS TO TABLE R602.3(1)
390 TABLE R602.3(2)—continued ALTERNATE ATTACHMENTS TO TABLE R602.3(1)
TABLE R602.3(3) REQUIREMENTS FOR WOOD STRUCTURAL PANEL WALL SHEATHING USED TO RESIST WIND PRESSURES
TABLE R602.3(4) ALLOWABLE SPANS FOR PARTICLEBOARD WALL SHEATHINGa
391 TABLE R602.3(5) SIZE, HEIGHT AND SPACING OF WOOD STUDSa
392 TABLE R602.3(6) ALTERNATE WOOD BEARING WALL STUD SIZE, HEIGHT AND SPACING
393 FIGURE R602.3(1) TYPICAL WALL, FLOOR AND ROOF FRAMING
394 FIGURE R602.3(2) FRAMING DETAILS
395 COMMENTARY FIGURE R602.3.3(1) TOP PLATE WITH 16-INCH STUD SPACING
COMMENTARY FIGURE R602.3.3(2) TOP PLATE WITH 24-INCH STUD SPACING
COMMENTARY FIGURE R602.3.3(3) BLOCKED TOP PLATE WITH 24-INCH STUD SPACING
399 FIGURE R602.6(1) NOTCHING AND BORED HOLE LIMITATIONS FOR EXTERIOR WALLS AND BEARING WALLS
400 FIGURE R602.6(2) NOTCHING AND BORED HOLE LIMITATIONS FOR INTERIOR NONBEARING WALLS
FIGURE R602.6.1 TOP PLATE FRAMING TO ACCOMMODATE PI
401 TABLE R602.7(1) GIRDER SPANSa AND HEADER SPANSa FOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch, hem-fir, Southern pine and spruce-pine-firb and required number of jack studs)
402 TABLE R602.7(1)—continued GIRDER SPANSa AND HEADER SPANSa FOR EXTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch, hem-fir, Southern pine and spruce-pine-firb and required number of jack studs)
403 TABLE R602.7(2) GIRDER SPANSa AND HEADER SPANSa FOR INTERIOR BEARING WALLS (Maximum spans for Douglas fir-larch, hem-fir, southern pine and spruce-pine-firb and required number of jack studs)
TABLE R602.7(3) GIRDER AND HEADER SPANSa FOR OPEN PORCHES (Maximum span for Douglas fir-larch, hem-fir, Southern pine and spruce-pine-firb)
404 COMMENTARY FIGURE R602.7 HEADER DETAIL
FIGURE R602.7.1(1) SINGLE-MEMBER HEADER IN EXTERIOR BEARING WALL
FIGURE R602.7.1(2) ALTERNATIVE SINGLE-MEMBERHEADER WITHOUT CRIPPLE
405 FIGURE R602.7.2 RIM BOARD HEADER CONSTRUCTION
406 TABLE R602.7.3 MAXIMUM SPANS FOR WOOD STRUCTURAL PANEL BOX HEADERSa
FIGURE R602.7.3 TYPICAL WOOD STRUCTURAL PANEL BOX HEADER CONSTRUCTION
407 TABLE R602.7.5 MINIMUM NUMBER OF FULL-HEIGHT STUDS AT EACH END OF HEADERS IN EXTERIOR WALLSa
408 COMMENTARY FIGURE R602.10 CRITICAL PARTS OF THE LATERAL LOAD PATH
409 COMMENTARY FIGURE R602.10.1(1) WALL BRACING TERMINOLOGY
410 COMMENTARY FIGURE R602.10.1(2) EFFECTIVE (IMAGINARY) BRACED WALL LINES
FIGURE R602.10.1.1 BRACED WALL LINES
412 TABLE R602.10.1.3 BRACED WALL LINE SPACING
413 FIGURE R602.10.1.4 ANGLED WALLS
COMMENTARY FIGURE R602.10.1.4(1) PROJECTED BRACED WALL LINE LENGTH CONTRIBUTED BY THE ANGLED WALL
414 COMMENTARY FIGURE R602.10.1.4(2) PROJECTED ANGLE WALL LENGTH
COMMENTARY FIGURE R602.10.1.4(3) ANGLED WALL GREATER THAN 8 FEET IN LENGTH
415 FIGURE R602.10.2.2 LOCATION OF BRACED WALL PANELS
417 COMMENTARY FIGURE R602.10.3(1) BASIS FOR WIND BRACING TABLE
418 COMMENTARY FIGURE R602.10.3(2) EAVE-TO-RIDGE HEIGHT
419 COMMENTARY FIGURE R602.10.3(3) BRACED WALL LINE SPACING
420 COMMENTARY FIGURE R602.10.3(4) BASIS FOR SEISMIC BRACING TABLE
422 TABLE R602.10.3(1) BRACING REQUIREMENTS BASED ON WIND SPEED
423 TABLE R602.10.3(1)—continued BRACING REQUIREMENTS BASED ON WIND SPEED
424 TABLE R602.10.3(1)—continued BRACING REQUIREMENTS BASED ON WIND SPEED
425 TABLE R602.10.3(2) WIND ADJUSTMENT FACTORS TO THE REQUIRED LENGTH OF WALL BRACING
426 TABLE R602.10.3(3) BRACING REQUIREMENTS BASED ON SEISMIC DESIGN CATEGORY
427 TABLE R602.10.3(3)—continued BRACING REQUIREMENTS BASED ON SEISMIC DESIGN CATEGORY
428 TABLE R602.10.3(3)—continued BRACING REQUIREMENTS BASED ON SEISMIC DESIGN CATEGORY
429 TABLE R602.10.3(4) SEISMIC ADJUSTMENT FACTORS TO THE REQUIRED LENGTH OF WALL BRACING
433 TABLE R602.10.4 BRACING METHODS
434 TABLE R602.10.4—continued BRACING METHODS
COMMENTARY FIGURE R602.10.4.1 MIXING BRACING METHODS
437 TABLE R602.10.5 MINIMUM LENGTH OF BRACED WALL PANELS
438 FIGURE R602.10.5 BRACED WALL PANELS WITH CONTINUOUS SHEATHING
TABLE R602.10.5.2 PARTIAL CREDIT FOR BRACED WALL PANELS LESS THAN 48 INCHES IN ACTUAL LENGTH
440 FIGURE R602.10.6.1 METHOD ABW—ALTERNATE BRACED WALL PANEL
TABLE R602.10.6.1 MINIMUM HOLD-DOWN FORCES FOR METHOD ABW BRACED WALL PANELS
441 FIGURE R602.10.6.2 METHOD PFH—PORTAL FRAME WITH HOLD-DOWNS
442 FIGURE R602.10.6.3 METHOD PFG—PORTAL FRAME AT GARAGE DOOR OPENINGS IN SEISMIC DESIGN CATEGORIES A, B AND C
443 FIGURE R602.10.6.4 METHOD CS-PF—CONTINUOUSLY SHEATHED PORTAL FRAME PANEL CONSTRUCTION
444 TABLE R602.10.6.4 TENSION STRAP CAPACITY FOR RESISTING WIND PRESSURES PERPENDICULAR TO METHODS PFH, PFG AND CS-PF BRACED WALL PANELSa
COMMENTARY FIGURE R602.10.6.5 OPTIONS FOR WALL BRACING WITH VENEER
445 FIGURE R602.10.6.5.2 METHOD BV-WSP—WALL BRACING FOR DWELLINGS WITH STONE AND MASONRY VENEER IN SEISMIC DESIGN CATEGORIES D0, D1 and D2
446 TABLE R602.10.6.5.4 METHOD BV-WSP WALL BRACING REQUIREMENTSd
447 TABLE R602.10.6.5.4—continued METHOD BV-WSP WALL BRACING REQUIREMENTSd
448 FIGURE R602.10.7 END CONDITIONS FOR BRACED WALL LINES WITH CONTINUOUS SHEATHING
449 FIGURE R602.10.8(1) BRACED WALL PANEL CONNECTION WHEN PERPENDICULAR TO FLOOR/CEILING FRAMING
450 FIGURE R602.10.8(2) BRACED WALL PANEL CONNECTION WHEN PARALLEL TO FLOOR/CEILING FRAMING
451 COMMENTARY FIGURE R602.10.8.2(1) CONNECTION AND BLOCKING BETWEEN BRACED WALL PANELS AND ROOF FRAMING
COMMENTARY FIGURE R602.10.8.2(2) DISTANCE FROM TOP PLATE TO BOTTOM OF ROOF SHEATHING FOR PROVIDING CONNECTION REQUIREMENTS AND BLOCKING PER COMMENTARY FIGURE R602.10.8.2(1
452 FIGURE R602.10.8.2(1) BRACED WALL PANEL CONNECTION TO PERPENDICULAR RAFTERS
FIGURE R602.10.8.2(2) BRACED WALL PANEL CONNECTION OPTION TO PERPENDICULAR RAFTERS OR ROOF TRUSSES
FIGURE R602.10.8.2(3) BRACED WALL PANEL CONNECTION OPTION TO PERPENDICULAR RAFTERS OR ROOF TRUSSES
454 FIGURE R602.10.9 MASONRY STEM WALLS SUPPORTING BRACED WALL PANELS
457 FIGURE R602.11.2 STEPPED FOUNDATION CONSTRUCTION
COMMENTARY FIGURE R602.11.2 CRIPPLE WALL TOP PLATE EXTENDED 4 FEET OVER THE FOUNDATION
458 FIGURE R602.12.1 RECTANGLE CIRCUMSCRIBING AN ENCLOSED BUILDING
459 COMMENTARY FIGURE R602.12.3 AVAILABLE BRACING METHODS FOR SIMPLIFIED WALL BRACING
460 TABLE R602.12.4 MINIMUM NUMBER OF BRACING UNITS ON EACH SIDE OF THE CIRCUMSCRIBED RECTANGLE
461 FIGURE R602.12.5 BRACING UNIT DISTRIBUTION
SECTION R603 COLD-FORMED STEEL WALL FRAMING
463 TABLE R603.3.1 WALL TO FOUNDATION OR FLOOR CONNECTION REQUIREMENTS
464 FIGURE R603.3.1(1) WALL TO FLOOR CONNECTION
FIGURE R603.3.1(2) WALL TO FOUNDATION CONNECTION
465 FIGURE R603.3.1(3) WALL TO WOOD SILL CONNECTION
FIGURE R603.3.1(4) WIND UPLIFT CONNECTOR
466 TABLE R603.3.1.1(1) GABLE ENDWALL TO FLOOR CONNECTION REQUIREMENT
TABLE R603.3.1.1(2) GABLE ENDWALL BOTTOM TRACK TO FOUNDATION CONNECTION REQUIREMENTSa,
468 TABLE R603.3.2(1) WALL FASTENING SCHEDULEa
TABLE R603.3.2(2) 24-FOOT-WIDE BUILDING SUPPORTING ROOF AND CEILING ONLY
469 TABLE R603.3.2(3) 28-FOOT-WIDE BUILDING SUPPORTING ROOF AND CEILING ONLY
470 TABLE R603.3.2(4) 32-FOOT-WIDE BUILDING SUPPORTING ROOF AND CEILING ONLY
471 TABLE R603.3.2(5) 36-FOOT-WIDE BUILDING SUPPORTING ROOF AND CEILING ONLY
472 TABLE R603.3.2(6) 40-FOOT-WIDE BUILDING SUPPORTING ROOF AND CEILING ONLY
473 TABLE R603.3.2(7) 24-FOOT-WIDE BUILDING SUPPORTING ONE FLOOR, ROOF AND CEILING
474 TABLE R603.3.2(8) 28-FOOT-WIDE BUILDING SUPPORTING ONE FLOOR, ROOF AND CEILING
475 TABLE R603.3.2(9) 32-FOOT-WIDE BUILDING SUPPORTING ONE FLOOR, ROOF AND CEILING
476 TABLE R603.3.2(10) 36-FOOT-WIDE BUILDING SUPPORTING ONE FLOOR, ROOF AND CEILING
477 TABLE R603.3.2(11) 40-FOOT-WIDE BUILDING SUPPORTING ONE FLOOR, ROOF AND CEILING
478 TABLE R603.3.2(12) 24-FOOT-WIDE BUILDING SUPPORTING TWO FLOORS, ROOF AND CEILING
479 TABLE R603.3.2(13) 28-FOOT-WIDE BUILDING SUPPORTING TWO FLOORS, ROOF AND CEILING
480 TABLE R603.3.2(14) 32-FOOT-WIDE BUILDING SUPPORTING TWO FLOORS, ROOF AND CEILING
481 TABLE R603.3.2(15) 36-FOOT-WIDE BUILDING SUPPORTING TWO FLOORS, ROOF AND CEILING
482 TABLE R603.3.2(16) 40-FOOT-WIDE BUILDING SUPPORTING TWO FLOORS, ROOF AND CEILING
483 TABLE R603.3.2.1(1) ALL BUILDING WIDTHS GABLE ENDWALLS 8, 9 OR 10 FEET IN HEIGHT
484 TABLE R603.3.2.1(2) ALL BUILDING WIDTHS GABLE ENDWALLS OVER 10 FEET IN HEIGHT
485 FIGURE R603.3.3(1) STUD BRACING WITH STRAPPING ONLY
FIGURE R603.3.3(2) STUD BRACING WITH STRAPPING AND SHEATHING MATERIAL
486 FIGURE R603.3.5 TRACK SPLICE
487 FIGURE R603.4 CORNER FRAMING
488 TABLE R603.6(1) BOX-BEAM AND BACK-TO-BACK HEADER SPANS Headers Supporting Roof and Ceiling Onlya, b, d
489 TABLE R603.6(2) BOX-BEAM AND BACK-TO-BACK HEADER SPANS Headers Supporting Roof and Ceiling Onlya, b, d
490 TABLE R603.6(3) BOX-BEAM AND BACK-TO-BACK HEADER SPANS Headers Supporting One Floor, Roof and Ceilinga, b, d
491 TABLE R603.6(4) BOX-BEAM AND BACK-TO-BACK HEADER SPANS Headers Supporting One Floor, Roof and Ceilinga, b, d
492 TABLE R603.6(5) BOX-BEAM AND BACK-TO-BACK HEADER SPANS Headers Supporting Two Floors, Roof and Ceilinga, b, d
493 TABLE R603.6(6) BOX-BEAM AND BACK-TO-BACK HEADER SPANS Headers Supporting Two Floors, Roof and Ceilinga, b, d
494 FIGURE R603.6(1) BOX BEAM HEADER
FIGURE R603.6(2) BACK-TO-BACK HEADER
495 FIGURE R603.6.1(1) BOX BEAM HEADER IN GABLE ENDWALL
FIGURE R603.6.1(2) BACK-TO-BACK HEADER IN GABLE ENDWALL
496 FIGURE R603.9 STRUCTURAL SHEATHING FASTENING PATTERN
TABLE R603.7(1) TOTAL NUMBER OF JACK AND KING STUDS REQUIRED AT EACH END OF AN OPENING
TABLE R603.7(2) HEADER TO KING STUD CONNECTION REQUIREMENTS
497 TABLE R603.8 HEAD AND SILL TRACK SPAN
498 TABLE R603.9.2(1) MINIMUM PERCENTAGE OF FULL-HEIGHT STRUCTURAL SHEATHING ON EXTERIOR WALLS
TABLE R603.9.2(2) FULL-HEIGHT SHEATHING LENGTH ADJUSTMENT F
499 FIGURE R603.9.4.2 CORNER STUD HOLD-DOWN DETAIL
500 SECTION R604 WOOD STRUCTURAL PANELS
SECTION R605 PARTICLEBOARD
SECTION R606 GENERAL MASONRY CONSTRUCTION
501 TABLE R603.9.5(1) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 33-MIL COLD-FORMED STEEL FRAMING AND 6-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING
502 TABLE R603.9.5(2) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 43-MIL COLD-FORMED STEEL FRAMING AND 6-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING
503 TABLE R603.9.5(3) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 33-MIL COLD-FORMED STEEL FRAMING AND 4-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING
504 TABLE R603.9.5(4) REQUIRED LENGTH OF FULL-HEIGHT SHEATHING AND ASSOCIATED OVERTURNING ANCHORAGE FOR WALLS SUPPORTING WALLS WITH STONE OR MASONRY VENEER AND USING 43-MIL COLD-FORMED STEEL FRAMING AND 4-INCH SCREW SPACING ON THE PERIMETER OF EACH PANEL OF STRUCTURAL SHEATHING
508 TABLE R606.2.8 MORTAR PROPORTIONS
509 TABLE R606.2.12 GROUT PROPORTIONS BY VOLUME FOR MASONRY CONSTRUCTION
511 COMMENTARY FIGURE R606.3.4 REINFORCING STEEL CLEARANCES
TABLE R606.3.4.1 MINIMUM CORROSION PROTECTION
512 COMMENTARY FIGURE R606.3.5 GROUTED SINGLE- AND MULTIPLE-WYTHE MASONRY
TABLE R606.3.5.1 GROUT SPACE DIMENSIONS AND POUR HEIGHTS
513 COMMENTARY FIGURE R606.3.5.1 GROUT PLACEMENT FOR GROUTED MULTIPLE-WYTHE MASONRY
514 COMMENTARY FIGURE R606.3.5.2 REINFORCED HOLLOW UNIT MASONRY CLEANOUTS
515 COMMENTARY FIGURE R606.3.5.3(1) REINFORCEMENT PLACEMENT LIMITATIO
COMMENTARY FIGURE R606.3.5.3(2) REINFORCED HOLLOW UNIT MASONRY VERTICAL CELL ALIGNMENT
516 COMMENTARY FIGURE R606.3.5.3(3) MASONRY REINFORCING STEEL ALIGNMENT
COMMENTARY FIGURE R606.3.5.3(4) MASONRY REINFORCING STEEL ALIGNMENT
COMMENTARY FIGURE R606.3.5.3(5) REINFORCEMENT PLACEMENT LIMITATIONS
517 COMMENTARY FIGURE R606.3.7.2(1) MINIMUM HORIZONTAL JOINT REINFORCEMENT FOR STACK-BOND MASONRY
COMMENTARY FIGURE R606.3.7.2(2) HORIZONTAL JOINT REINFORCEMENT—LADDER AND TRUSS TYPES
COMMENTARY FIGURE R606.4.1 MINIMUM THICKNESS—MASONRY BEARING AND EXTERIOR WALLS FOR A ONE-STORY DWELLING
518 COMMENTARY FIGURE R606.5.2(1) MASONRY CORBELING LIMITATIONS PER COURSE
519 COMMENTARY FIGURE R606.5.2(2) MASONRY CORBELING LIMITATIONS PER COURSE
COMMENTARY FIGURE R606.6.2 MASONRY CORBELING LIMITATIONS PER COURSE
520 COMMENTARY FIGURE R606.6.3 BEAM OR GIRDER BEARING ON MASONRY
COMMENTARY FIGURE R606.6.3.1 JOIST-BEARING MINIMUMS
521 TABLE R606.6.4 SPACING OF LATERAL SUPPORT FOR MASONRY WALLS
COMMENTARY FIGURE R606.6.4 BUILDING ELEMENTS PROVIDING LATERAL SUPPORT TO WALLS
522 COMMENTARY FIGURE R606.6.4.1.2 INTERSECTING MASONRY WALLS
COMMENTARY FIGURE R606.6.4.2.1(1) ANCHORAGE OF ROOF STRUCTURES
COMMENTARY FIGURE R606.6.4.2.1(2) ANCHORAGE OF ROOF STRUCTURES
524 TABLE R606.9 ALLOWABLE COMPRESSIVE STRESSES FOR EMPIRICAL DESIGN OF MASONRY
525 TABLE R606.12.2.1 MINIMUM SOLID WALL LENGTH ALONG EXTERIOR WALL LINES
526 FIGURE R606.11(1) ANCHORAGE REQUIREMENTS FOR MASONRY WALLS LOCATED IN SEISMIC DESIGN CATEGORY A, B OR C AND WHERE WIND LOADS ARE LESS THAN 30 PSF
527 FIGURE R606.11(2) REQUIREMENTS FOR REINFORCED GROUTED MASONRY CONSTRUCTION IN SEISMIC DESIGN CATEGORY C
528 FIGURE R606.11(3) REQUIREMENTS FOR REINFORCED MASONRY CONSTRUCTION IN SEISMIC DESIGN CATEGORY D0, D1 OR D2
530 TABLE R606.12.3.2 MINIMUM DISTRIBUTED WALL REINFORCEMENT FOR BUILDINGS ASSIGNED TO SEISMIC DESIGN CATEGORY D0 or D1
TABLE R606.12.4.1 MINIMUM REINFORCING FOR STACKED BONDED MASONRY WALLS IN SEISMIC DESIGN CATEGORY D2
TABLE R606.12.4.2 MINIMUM REINFORCING FOR STACKED BONDED MASONRY WALLS IN SEISMIC DESIGN CATEGORY D2
531 COMMENTARY FIGURE R606.13.1.1 BONDING WITH SOLID UNIT MASONRY
COMMENTARY FIGURE R606.13.1.2 BONDING WITH HOLLOW UNIT MASONRY
532 COMMENTARY FIGURE R606.13.2.1(1) MASONRY BONDING—METAL TIES
COMMENTARY FIGURE R606.13.2.1(2) BONDING AROUND OPENING IN MASONRY WALLS
533 SECTION R607 GLASS UNIT MASONRY
534 COMMENTARY FIGURE R606.13.2.2 BONDING WITH ADJUSTABLE WALL TIES
COMMENTARY FIGURE R606.13.2.3 BONDING WITH PREFABRICATED JOINT REINFORCEMENT
535 FIGURE R607.4.1 GLASS UNIT MASONRY DESIGN WIND LOAD RESISTANCE
536 COMMENTARY FIGURE R607.5.2.1 GLASS UNIT MASONRY
537 SECTION R608 EXTERIOR CONCRETE WALL CONSTRUCTION
538 COMMENTARY FIGURE R608.2 ICF APPLICABILITY LIMITS
539 TABLE R608.3 DIMENSIONAL REQUIREMENTS FOR WALLSa
540 FIGURE R608.3(1) FLAT WALL SYSTEM
FIGURE R608.3(2) WAFFLE-GRID WALL SYSTEM
FIGURE R608.3(3) SCREEN-GRID WALL SYSTEM
543 TABLE R608.5.4(1) LAP SPLICE AND TENSION DEVELOPMENT LENGTHS
FIGURE R608.5.4(1) LAP SPLICES
544 FIGURE R608.5.4(2) DEVELOPMENT LENGTH AND COVER FOR HOOKS AND BAR EXTENSION
FIGURE R608.5.4(3) STANDARD HOOKS
545 TABLE R608.5.4(2) MAXIMUM SPACING FOR ALTERNATIVE BAR SIZE AND ALTERNATIVE GRADE OF STEEL
548 FIGURE R608.6(1) ABOVE-GRADE CONCRETE WALL CONSTRUCTION ONE STORY
FIGURE R608.6(2) ABOVE-GRADE CONCRETE WALL CONSTRUCTION CONCRETE FIRST STORY AND LIGHT-FRAME SECOND STORY
549 FIGURE R608.6(3) ABOVE-GRADE CONCRETE WALL CONSTRUCTION TWO-STORY
FIGURE R608.6(4) ABOVE-GRADE CONCRETE WALL SUPPORTED ON MONOLITHIC SLAB-ON-GROUND FOOTING
550 TABLE R608.6(1) MINIMUM VERTICAL REINFORCEMENT FOR FLAT ABOVE-GRADE WALLS
551 TABLE R608.6(2) MINIMUM VERTICAL REINFORCEMENT FOR WAFFLE-GRID ABOVE-GRADE WALLS
552 TABLE R608.6(3) MINIMUM VERTICAL REINFORCEMENT FOR 6-INCH SCREEN-GRID ABOVE-GRADE WALLS
553 TABLE R608.6(4) MINIMUM VERTICAL REINFORCEMENT FOR FLAT, WAFFLE- AND SCREEN-GRID ABOVE-GRADE WALLS DESIGNED CONTINUOUS WITH FOUNDATION STEM WALL
554 TABLE R608.6(4)—continued MINIMUM VERTICAL REINFORCEMENT FOR FLAT, WAFFLE- AND SCREEN-GRID ABOVE-GRADE WALLS DESIGNED CONTINUOUS WITH FOUNDATION STEM WALLSa, b, c, d, e, k
556 EQUATION R6-1
EQUATION R6-2
557 COMMENTARY FIGURE R608.7.1.1 VELOCITY PRESSURES
558 TABLE R608.7.1.1(1) UNREDUCED LENGTH, UR, OF SOLID WALL REQUIRED IN EACH EXTERIOR ENDWALL FOR WIND PERPENDICULAR TO RIDGE ONE STORY OR TOP STORY OF TWO STORY
559 TABLE R608.7.1.1(1)—continued UNREDUCED LENGTH, UR, OF SOLID WALL REQUIRED IN EACH EXTERIOR ENDWALL FOR WIND PERPENDICULAR TO RIDGE ONE STORY OR TOP STORY OF TWO STORYa, c, d, e, f, g
560 TABLE R608.7.1.1(2) UNREDUCED LENGTH, UR, OF SOLID WALL REQUIRED IN EACH EXTERIOR ENDWALLFOR WIND PERPENDICULAR TO RIDGE FIRST STORY OF TWO STORY
561 TABLE R608.7.1.1(2)—continued UNREDUCED LENGTH, UR, OF SOLID WALL REQUIRED IN EACH EXTERIOR ENDWALL FOR WIND PERPENDICULAR TO RIDGE FIRST STORY OF TWO STORYa, c, d, e, f, g
562 TABLE R608.7.1.1(3) UNREDUCED LENGTH, UR, OF SOLID WALL REQUIRED IN EACH EXTERIOR SIDEWALL FOR WIND PARALLEL TO RIDGE
563 TABLE R608.7.1.1(3)—continue dUNREDUCED LENGTH, UR, OF SOLID WALL REQUIRED IN EACH EXTERIOR SIDEWALL FOR WIND PARALLEL TO RIDGEa, c, d, e, f, g
564 TABLE R608.7.1.1(4) REDUCTION FACTOR, R1, FOR BUILDINGS WITH MEAN ROOF HEIGHT LESS THAN 35 FEETa
565 TABLE R608.7.1.1(5) REDUCTION FACTOR, R2, FOR FLOOR-TO-CEILING WALL HEIGHTS LESS THAN 10 FEET
566 TABLE R608.7.1.1(6) REDUCTION FACTOR FOR DESIGN STRENGTH, R3, FOR FLAT, WAFFLE- AND SCREEN-GRID WALLS
567 FIGURE R608.7.1.1(1) MINIMUM SOLID WALL LENGTH
568 FIGURE R608.7.1.1(2) VERTICAL REINFORCEMENT LAYOUT DETAIL
569 FIGURE R608.7.1.1(3) VERTICAL WALL REINFORCEMENT ADJACENT TO WALL OPENINGS
571 FIGURE R608.8(1) REINFORCEMENT OF OPENINGS
FIGURE R608.8(2) LINTEL FOR FLAT WALLS
572 FIGURE R608.8(3) LINTELS FOR WAFFLE-GRID WALLS
573 FIGURE R608.8(4) LINTELS FOR SCREEN-GRID WALLS
574 TABLE R608.8(1) LINTEL DESIGN LOADING CONDITIONS
575 TABLE R608.8(2) MAXIMUM ALLOWABLE CLEAR SPANS FOR 4-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
576 TABLE R608.8(2)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR 4-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
577 TABLE R608.8(3) MAXIMUM ALLOWABLE CLEAR SPANS FOR 6-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
578 TABLE R608.8(3)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR 6-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
579 TABLE R608.8(4) MAXIMUM ALLOWABLE CLEAR SPANS FOR 8-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
580 TABLE R608.8(4)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR 8-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
581 TABLE R608.8(5) MAXIMUM ALLOWABLE CLEAR SPANS FOR 10-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
582 TABLE R608.8(5)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR 10-INCH-NOMINAL THICK FLAT LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, m ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
583 TABLE R608.8(6) MAXIMUM ALLOWABLE CLEAR SPANS FOR 6-INCH-THICK WAFFLE-GRID LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, o MAXIMUM ROOF CLEAR SPAN 40 FEET AND MAXIMUM FLOOR SPAN 32 FEET
584 TABLE R608.8(6)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR 6-INCH-THICK WAFFLE-GRID LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, o MAXIMUM ROOF CLEAR SPAN 40 FEET AND MAXIMUM FLOOR SPAN 32 FEET
585 TABLE R608.8(7) MAXIMUM ALLOWABLE CLEAR SPANS FOR 8-INCH-THICK WAFFLE-GRID LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, o MAXIMUM ROOF CLEAR SPAN 40 FEET AND MAXIMUM FLOOR CLEAR SPAN 32 FEET
586 TABLE R608.8(7)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR 8-INCH-THICK WAFFLE-GRID LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, o MAXIMUM ROOF CLEAR SPAN 40 FEET AND MAXIMUM FLOOR CLEAR SPAN 32 FEET
587 TABLE R608.8(8 ) MAXIMUM ALLOWABLE CLEAR SPANS FOR 6-INCH-THICK SCREEN-GRID LINTELS IN LOAD-BEARING WALLSa, b, c, d, e, f, p ROOF CLEAR SPAN 40 FEET AND FLOOR CLEAR SPAN 32 FEET
588 TABLE R608.8(9) MAXIMUM ALLOWABLE CLEAR SPANS FOR FLAT LINTELS WITHOUT STIRRUPS IN NONLOAD-BEARING WALLS
589 TABLE R608.8(9)—continued MAXIMUM ALLOWABLE CLEAR SPANS FOR FLAT LINTELS WITHOUT STIRRUPS IN NONLOAD-BEARING WALLSa, b, c, d, e, g
TABLE R608.8(10) MAXIMUM ALLOWABLE CLEAR SPANS FOR WAFFLE-GRID AND SCREEN-GRID LINTELS WITHOUT STIRRUPS IN NONLOAD-BEARING WALLS
590 COMMENTARY FIGURE R608.8.2 APPLICABLE REQUIREMENTS FOR LINTELS
593 FIGURE R608.9(1) WOOD-FRAMED FLOOR TO SIDE OF CONCRETE WALL, FRAMING PERPENDICULAR
594 TABLE R608.9(1) WOOD-FRAMED FLOOR TO SIDE OF CONCRETE WALL, FRAMING PERPENDICULARa
595 FIGURE R608.9(2) WOOD-FRAMED FLOOR TO SIDE OF CONCRETE WALL, FRAMING PARALLEL
596 TABLE R608.9(2) WOOD-FRAMED FLOOR TO SIDE OF CONCRETE WALL, FRAMING PARALLELa
597 FIGURE R608.9(3) WOOD-FRAMED FLOOR TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
598 TABLE R608.9(3) WOOD-FRAMED FLOOR TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
599 FIGURE R608.9(4) WOOD-FRAMED FLOOR TO TOP OF CONCRETE WALL, FRAMING PARALLEL
600 TABLE R608.9(4) WOOD-FRAMED FLOOR TO TOP OF CONCRETE WALL, FRAMING PARALLEL
601 FIGURE R608.9(5) COLD-FORMED STEEL FLOOR TO SIDE OF CONCRETE WALL, FRAMING PERPENDICULAR
602 TABLE R608.9(5) COLD-FORMED STEEL-FRAMED FLOOR TO SIDE OF CONCRETE WALL, FRAMING PERPENDICULAR
603 FIGURE R608.9(6) COLD-FORMED STEEL FLOOR TO SIDE OF CONCRETE WALL, FRAMING PARALLEL
604 TABLE R608.9(6) COLD-FORMED STEEL-FRAMED FLOOR TO SIDE OF CONCRETE WALL, FRAMING PARALLEL
605 FIGURE R608.9(7) COLD-FORMED STEEL FLOOR TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
606 TABLE R608.9(7) COLD-FORMED STEEL-FRAMED FLOOR TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
607 FIGURE R608.9(8) COLD-FORMED STEEL FLOOR TO TOP OF CONCRETE WALL, FRAMING PARALLEL
608 TABLE R608.9(8) COLD-FORMED STEEL-FRAMED FLOOR TO TOP OF CONCRETE WALL, FRAMING PARALLEL
609 FIGURE R608.9(9) WOOD-FRAMED ROOF TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
610 TABLE R608.9(9) WOOD-FRAMED ROOF TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
611 FIGURE R608.9(10) WOOD-FRAMED ROOF TO TOP OF CONCRETE WALL, FRAMING PARALLEL
612 TABLE R608.9(10) WOOD-FRAMED ROOF TO TOP OF CONCRETE WALL, FRAMING PARALLEL
613 FIGURE R608.9(11) COLD-FORMED STEEL ROOF TO TOP OF CONCRETE WALL, FRAMING PERPENDICULAR
614 TABLE R608.9(11) COLD-FORMED STEEL ROOF TO TOP OF CONCRETE WALL, FRAMING PERPENDICULARa
615 FIGURE R608.9(12) COLD-FORMED STEEL ROOF TO TOP OF CONCRETE WALL, FRAMING PARALLEL
616 TABLE R608.9(12) COLD-FORMED STEEL ROOF TO TOP OF CONCRETE WALL, FRAMING PARALLEL
617 SECTION R609 EXTERIOR WINDOWS AND DOORS
620 FIGURE R609.7.2(1) HROUGH THE FRAME
FIGURE R609.7.2(2) FRAME CLIP
FIGURE R609.7.2(3) THROUGH THE FRAME
FIGURE R609.7.2(4) FRAME CLIP
621 FIGURE R609.7.2(5) THROUGH THE FLANGE
FIGURE R609.7.2(6) THROUGH THE FLANGE
FIGURE R609.7.2(7) FRAME CLIP
FIGURE R609.7.2(8) THROUGH THE FLANGE
622 SECTION R610 STRUCTURAL INSULATED PANEL WALL CONSTRUCTION
623 FIGURE R610.4 SIP WALL PANEL
625 TABLE R610.5(1) MINIMUM THICKNESS FOR SIP WALL SUPPORTING SIP OR LIGHT-FRAME ROOF ONLY (inches)a
626 TABLE R610.5(2) MINIMUM THICKNESS FOR SIP WALL SUPPORTING SIP OR LIGHT-FRAME ONE STORY AND ROOF ONLY (inches
627 FIGURE R610.5(1) MAXIMUM ALLOWABLE HEIGHT OF SIP WALLS
FIGURE R610.5(2) MAXIMUM ALLOWABLE HEIGHT OF SIP WALLS
628 FIGURE R610.5(3) TRUSSED ROOF TO TOP PLATE CONNECTION
FIGURE R610.5(4) SIP WALL-TO-WALL PLATFORM FRAME CONNECTION
629 FIGURE R610.5(5) SIP WALL-TO-WALL HANGING FLOOR FRAME CONNECTION
FIGURE R610.5.1 SIP WALL FRAMING CONFIGURATION
630 FIGURE R610.5.2 SIP WALL TO CONCRETE SLAB FOR FOUNDATION WALL ATTACHMENT
FIGURE R610.5.4 SIP CORNER FRAMING DETAIL
631 FIGURE R610.8 TYPICAL SIP WALL PANEL-TO-PANEL CONNECTION DETAILS
632 TABLE R610.8 MAXIMUM SPANS FOR 117/8-INCH OR DEEPER SIP HEADERS
BIBLIOGRAPHY
636 CHAPTER 7: WALL COVERING
GENERAL COMMENTS
PURPOSE
SECTION R701 GENERAL
SECTION R702 INTERIOR COVERING
637 COMMENTARY FIGURE R701.2(1) PLASTER WALL COVERING—APPLICABLE TERMS
638 COMMENTARY FIGURE R701.2(2) GYPSUM APPLICATION—APPLICABLE TERMS
TABLE R702.1(1) THICKNESS OF PLASTER
639 TABLE R702.1(2) GYPSUM PLASTER PROPORTIONSa
TABLE R702.1(3) CEMENT PLASTER PROPORTIONS, PARTS BY VOLUME
640 COMMENTARY FIGURE R702.2(1) INTERIOR PLASTERING SYSTEM
COMMENTARY FIGURE R702.2(2) VENEER PLASTER SYSTEM
643 TABLE R702.3.5 MINIMUM THICKNESS AND APPLICATION OF GYPSUM BOARD AND GYPSUM PANEL PRODUCTS
644 COMMENTARY FIGURE R702.3.5(1) GYPSUM BOARD APPLICATION
COMMENTARY FIGURE R702.3.5(2) GYPSUM BOARD—SINGLE-NAILING APPLICATION
COMMENTARY FIGURE R702.3.5(3) GYPSUM BOARD—DOUBLE-NAILING APPLICATION
645 TABLE R702.3.6 SHEAR CAPACITY FOR HORIZONTAL WOOD-FRAMED GYPSUM BOARD DIAPHRAGM CEILING ASSEMBLIES
COMMENTARY FIGURE R702.3.6(1) HORIZONTAL GYPSUM BOARD CEILING DIAPHRAGM CONSTRUCTION
646 COMMENTARY FIGURE R702.3.6(2) PERIMETER BLOCKING
647 COMMENTARY FIGURE R702.4.1 INTERIOR WALL TILE INSTALLATION
TABLE R702.4.2 BACKER BOARD MATERIALS
COMMENTARY FIGURE R702.4.2 EXAMPLE OF WALL TILE INSTALLATION IN TUB AND SHOWER AREA
648 COMMENTARY FIGURE R702.7 TYPICAL WOOD STUD WALL CONSTRUCTION
649 TABLE R702.7(1) VAPOR RETARDER MATERIALS AND CLASSES
TABLE R702.7(2) VAPOR RETARDER OPTIONS
650 TABLE R702.7(3) CLASS III VAPOR RETARDERS
TABLE R702.7(4) CONTINUOUS INSULATION WITH CLASS II VAPOR RETARDER
651 SECTION R703 EXTERIOR COVERING
653 TABLE R703.3(1) SIDING MINIMUM ATTACHMENT AND MINIMUM THICKNESS
654 TABLE R703.3(1)—continued SIDING MINIMUM ATTACHMENT AND MINIMUM THICKNESS
655 TABLE R703.3(2)SCREW FASTENER SUBSTITUTION FOR SIDING ATTACHMENT TO COLD-FORMED STEEL LIGHT FRAME CONSTRUCTION
TABLE R703.3.2 LIMITS FOR ATTACHMENT PER Table R703.3(1)
656 TABLE R703.3.3 OPTIONAL SIDING ATTACHMENT SCHEDULE FOR FASTENERS WHERE NO STUD PENETRATION NECESSARY
657 COMMENTARY FIGURE R703.4 FLASHING EXAMPLES
658 COMMENTARY FIGURE R703.5.2(1) VERTICAL JOINT TREATMENT OF PANEL SIDING
COMMENTARY FIGURE R703.5.2(2) HORIZONTAL JOINT TREATMENT OF PANEL SIDING
659 TABLE R703.6.1 MAXIMUM WEATHER EXPOSURE FOR WOOD SHAKES AND SHINGLES ON EXTERIOR WALLSa
660 TABLE R703.6.3(1) SINGLE-COURSE SIDEWALL FASTENERS
TABLE R703.6.3(2) DOUBLE-COURSE SIDEWALL FASTENERS
COMMENTARY FIGURE R703.7(1) EXTERIOR PLASTERING SYSTEM
661 COMMENTARY FIGURE R703.7(2) EXTERIOR PLASTER—WOOD FRAME ON CONCRETE FLOOR SLAB
662 COMMENTARY FIGURE R703.7.2.1 WEEP SCREED FOR EXTERIOR PLASTER ON STUD
664 FIGURE R703.8(1) TYPICAL MASONRY VENEER WALL DETAILSd
665 FIGURE R703.8(2) TYPICAL MASONRY VENEER WALL DETAILSe
666 TABLE R703.8(1) STONE OR MASONRY VENEER LIMITATIONS AND REQUIREMENTS, WOOD OR STEEL FRAMING, SEISMIC DESIGN CATEGORIES A, B AND C
TABLE R703.8(2) STONE OR MASONRY VENEER LIMITATIONS AND REQUIREMENTS, ONE- AND TWO-FAMILY DETACHED DWELLINGS, SEISMIC DESIGN CATEGORIES D0, D1 AND D2
667 FIGURE R703.8.2.1 EXTERIOR MASONRY VENEER SUPPORT BY STEEL ANGLES
668 FIGURE R703.8.2.2 EXTERIOR MASONRY VENEER SUPPORT BY ROOF MEMBERS
TABLE R703.8.3.1 ALLOWABLE SPANS FOR LINTELS SUPPORTING MASONRY VENEER
669 TABLE R703.8.3.2 HEIGHT OF MASONRY VENEER ABOVE OPE
FIGURE R703.8.3.2 MASONRY VENEER OPENING
670 TABLE R703.8.4(1) TIE ATTACHMENT AND AIRSPACE REQUIREMENTS
671 TABLE R703.8.4(2) REQUIRED BRICK TIE SPACING FOR DIRECT APPLICATION TOWOOD STRUCTURAL PANEL SHEATHING
674 TABLE R703.11.2 REQUIRED MINIMUM WIND LOAD DESIGN PRESSURE RATING FOR VINYL SIDING INSTALLED OVER FOAM PLASTIC SHEATHING ALONE
677 TABLE R703.15.1 CLADDING MINIMUM FASTENING REQUIREMENTS FOR DIRECT ATTACHMENT OVER FOAM PLASTIC SHEATHING TO SUPPORT CLADDING WEIGHT
678 TABLE R703.15.2 FURRING MINIMUM FASTENING REQUIREMENTS FOR APPLICATION OVER FOAM PLASTIC SHEATHING TO SUPPORT CLADDING WEIGHT
TABLE R703.16.1 CLADDING MINIMUM FASTENING REQUIREMENTS FOR DIRECT ATTACHMENT OVER FOAM PLASTIC SHEATHING TO SUPPORT CLADDING WEIGHT
679 TABLE R703.16.2 FURRING MINIMUM FASTENING REQUIREMENTS FOR APPLICATION OVER FOAM PLASTIC SHEATHING TO SUPPORT CLADDING WEIGHT
SECTION R704 SOFFITS
680 FIGURE R704.2.1(1) TYPICAL SINGLE-SPAN VINYL SOFFIT PANEL SUPPORT
681 FIGURE R704.2.1(2) TYPICAL DOUBLE-SPAN VINYL SOFFIT PANEL SUPPORT
682 TABLE R704.3.4 PRESCRIPTIVE ALTERNATIVE FOR WOOD STRUCTURAL PANEL SOFFIT
BIBLIOGRAPHY
684 CHAPTER 8: ROOF-CEILING CONSTRUCTION
GENERAL COMMENTS
PURPOSE
SECTION R801 GENERAL
SECTION R802 WOOD ROOF FRAMING
687 COMMENTARY FIGURE R802.3 RIDGE BOARD
689 TABLE R802.4.1(1) RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load = 20 psf, ceiling not attached to rafters, L/Δ = 180)
690 TABLE R802.4.1(1)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load = 20 psf, ceiling not attached to rafters, L/Δ = 180)
691 TABLE R802.4.1(2)
RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load = 20 psf, ceiling attached to rafters, L/Δ = 240)
692 TABLE R802.4.1(2)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load = 20 psf, ceiling attached to rafters, L/Δ = 240)
693 TABLE R802.4.1(3) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 30 psf, ceiling not attached to rafters, L/Δ = 180)
694 TABLE R802.4.1(3)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 30 psf, ceiling not attached to rafters, L/Δ = 180)
695 TABLE R802.4.1(4) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 30 psf, ceiling attached to rafters, L/Δ = 240)
696 TABLE R802.4.1(4)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 30 psf, ceiling attached to rafters, L/Δ = 240)
697 TABLE R802.4.1(5) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 50 psf, ceiling not attached to rafters, L/Δ = 180)
698 TABLE R802.4.1(5)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 50 psf, ceiling not attached to rafters, L/Δ = 180)
699 TABLE R802.4.1(6) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 50 psf, ceiling attached to rafters, L/Δ = 240)
700 TABLE R802.4.1(6)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 50 psf, ceiling attached to rafters, L/Δ = 240)
701 TABLE R802.4.1(7) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 70 psf, ceiling not attached to rafters, L/Δ = 180)
702 TABLE R802.4.1(7)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 70 psf, ceiling not attached to rafters, L/Δ = 180)
703 TABLE R802.4.1(8) RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 70 psf, ceiling attached to rafters, L/Δ = 240)
704 TABLE R802.4.1(8)—continued RAFTER SPANS FOR COMMON LUMBER SPECIES (Ground snow load = 70 psf, ceiling attached to rafters, L/Δ = 240)
705 TABLE R802.4.1(9) RAFTER SPAN ADJUSTMENT FACTOR
COMMENTARY FIGURE R802.4.2 RIDGE ALTERNATIVE—GUSSET PLATE T
706 FIGURE R802.4.5 BRACED RAFTER CONSTRUCTION
707 COMMENTARY FIGURE 802.4.5 EXAMPLE OF PURLIN INSTALLATION
708 TABLE R802.5.2(2) HEEL JOINT CONNECTION ADJUSTMENT FACTORS
709 TABLE R802.5.1(1) CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics without storage, live load = 10 psf, L/Δ = 240)
710 TABLE R802.5.1(1)—continued CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics without storage, live load = 10 psf, L/Δ = 240)
711 TABLE R802.5.1(2) CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics with limited storage, live load = 20 psf, L/Δ = 240)
712 TABLE R802.5.1(2)—continued CEILING JOIST SPANS FOR COMMON LUMBER SPECIES (Uninhabitable attics with limited storage, live load = 20 psf, L/Δ = 240)
713 TABLE R802.5.2(1) RAFTER/CEILING JOIST HEEL JOINT CONNECTIONS
714 COMMENTARY FIGURE R802.5.2(1) CEILING JOIST AT SUPPORTS
COMMENTARY FIGURE R802.5.2(2) ROOF FRAMING WITH CEILING JOISTS PARALLEL TO RAFTERS
715 COMMENTARY FIGURE R802.5.2.1(1) LAPPED CEILING JOIST CONNECTION PROVIDING RESISTANCE TO RAFTER THRUST
COMMENTARY FIGURE R802.5.2.1(2) BUTTED CEILING JOIST CONNECTION PROVIDING RESISTANCE TO RAFTER THRUST
716 COMMENTARY FIGURE R802.5.2.2 ROOF FRAMING WITH CEILING JOISTS NOT PARALLEL TO RAFTERS
717 COMMENTARY FIGURE R802.6(1) FORCES IN A STICK-BUILT ROOF
COMMENTARY FIGURE R802.6(2) FORCES IN A LOW-SLOPE ROOF
718 COMMENTARY FIGURE R802.6(3) CATHEDRAL CEILINGS
FIGURE R802.7.1.1 RAFTER NOTCH
719 FIGURE R802.7.1.2 CEILING JOIST TAPER CUT
722 TABLE R802.11 RAFTER OR TRUSS UPLIFT CONNECTION FORCES FROM WIND (ASD) (POUNDS PER CONNECTION)
723 TABLE R802.11—continued RAFTER OR TRUSS UPLIFT CONNECTION FORCES FROM WIND (ASD) (POUNDS PER CONNECTION)a, b, c, d, e, f, g, h
SECTION R803 ROOF SHEATHING
TABLE R803.1 MINIMUM THICKNESS OF LUMBER ROOF SHEATHING
724 SECTION R804 COLD-FORMED STEEL ROOF FRAMING
726 FIGURE R804.3 COLD-FORMED STEEL ROOF CONSTRUCTION
727 TABLE R804.3 ROOF FRAMING FASTENING SCHEDULE
729 TABLE R804.3.1.1(1) CEILING JOIST SPANS 10 PSF LIVE LOAD (NO ATTIC STORAGE)
730 TABLE R804.3.1.1(2) CEILING JOIST SPANS 20 PSF LIVE LOAD (LIMITED ATTIC STORAGE)
731 TABLE R804.3.1.1(3) NUMBER OF SCREWS REQUIRED FOR CEILING JOIST TO ROOF RAFTER CONNECTION
FIGURE R804.3.1.1 JOIST TO RAFTER CONNECTION
732 FIGURE R804.3.1.3(1) CEILING JOIST TOP FLANGE BRACING WITH C-SHAPED, TRACK OR COLD-ROLLED CHANNEL
FIGURE R804.3.1.3(2) CEILING JOIST TOP FLANGE BRACING WITH CONTINUOUS STEEL STRAP AND BLOCKING
733 FIGURE R804.3.1.4 SPLICED CEILING JOISTS
TABLE R804.3.2.1(1) ROOF RAFTER SPANS
734 TABLE R804.3.2.1(2) ULTIMATE DESIGN WIND SPEED TO EQUIVALENT SNOW LOAD CONVERSION
735 FIGURE R804.3.2.1.2 GABLE ENDWALL OVERHANG DETAILS
736 FIGURE R804.3.2.4 RIDGE MEMBER CONNECTION
TABLE R804.3.2.4 SCREWS REQUIRED AT EACH LEG OF CLIP ANGLE FOR ROOF RAFTER TO RIDGE MEMBER CONNECTIONa
738 FIGURE R804.3.5(1) ROOF OR CEILING OPENING
FIGURE R804.3.5(2) HEADER TO TRIMMER CONNECTION
739 TABLE R804.3.7.1 REQUIRED LENGTHS FOR CEILING DIAPHRAGMS AT GABLE ENDWALLS GYPSUM BOARD SHEATHED, CEILING HEIGHT = 8 FEET
740 FIGURE R804.3.7.1(1) CEILING DIAPHRAGM TO GABLE ENDWALL DETAIL
FIGURE R804.3.7.1(2) CEILING DIAPHRAGM TO SIDEWALL DETAIL
741 FIGURE R804.3.7.2 ROOF BLOCKING DETAIL
742 SECTION R805 CEILING FINISHES
SECTION R806 ROOF VENTILATION
745 TABLE R806.5 INSULATION FOR CONDENSATION CONTROL
SECTION R807 ATTIC ACCESS
746 BIBLIOGRAPHY
748 CHAPTER 9: ROOF ASSEMBLIES
GENERAL COMMENTS
PURPOSE
SECTION R901 GENERAL
SECTION R902 FIRE CLASSIFICATION
749 SECTION R903 WEATHER PROTECTION
751 SECTION R904 MATERIALS
SECTION R905 REQUIREMENTS FOR ROOF COVERINGS
752 TABLE R905.1.1(1) UNDERLAYMENT TYPES
753 TABLE R905.1.1(2) UNDERLAYMENT APPLICATION
754 TABLE R905.1.1(3) UNDERLAYMENT APPLICATION
755 COMMENTARY FIGURE R905.1.1 LOW-SLOPE DOUBLE-PLY UNDERLAYMENT APPLICATION
756 COMMENTARY FIGURE R905.1.2(1) POSSIBLE WATER DAMAGE FROM AN ICE DAM
COMMENTARY FIGURE R905.1.2(2) PROTECTIVE ICE BARRIER
757 COMMENTARY FIGURE R905.2.2(1) ASPHALT ROOFING SHINGLE APPLICATION HIGH SLOPE (4:12 MINIMUM)(Source NRCA)
COMMENTARY FIGURE R905.2.2(2) APPLICATION OF ASPHALT SHINGLE SLOPES BETWEEN 2:12 AND 4:12
758 TABLE R905.2.4.1 CLASSIFICATION OF ASPHALT ROOF SHINGLES
759 TABLE R905.2.8.2 VALLEY LINING MATERIAL
COMMENTARY FIGURE R905.2.8.2(1) FLASHING FOR OPEN ROOF VALLEY
COMMENTARY FIGURE R905.2.8.2(2) FLASHING FOR WOVEN VALLEY
760 COMMENTARY FIGURE R905.2.8.3 STEP FLASHING AT SIDEWALL
COMMENTARY FIGURE R905.2.8.4 CHIMNEY FLASHING DETAIL
COMMENTARY FIGURE R905.3 ROLL AND FLAT TILE EXAMPLES
761 TABLE R905.3.7 CLAY AND CONCRETE TILE ATTACHMENT
762 COMMENTARY FIGURE R905.3.7(1) APPLICATION OF ROLL TILE
COMMENTARY FIGURE R905.3.7(2) TILE ROOF GABLE RAKE SECTION
COMMENTARY FIGURE R905.3.7(3) TILE ROOF EAVE SECTION
COMMENTARY FIGURE R905.3.7(4) TILE ROOF RIDGE SECTION
763 COMMENTARY FIGURE R905.3.8(1) TILE ROOF FLASHING AT VALLEY
COMMENTARY FIGURE R905.3.8(2) TILE ROOF FLASHING AT ROOF ABUTTING CHIMNEY/WALL
COMMENTARY FIGURE R905.3.8(3) TILE ROOF CHIMNEY FLASHING DETAIL
764 COMMENTARY FIGURE R905.3.8(4) TILE ROOF FLASHING FOR A VENT PIPE
TABLE R905.4.4.1 CLASSIFICATION OF STEEP SLOPE METAL ROOF SHINGLES TESTED IN ACCORDANCE WITH ASTM D3
766 TABLE R905.6.5 SLATE SHINGLE HEADLAP
TABLE R905.7.4 WOOD SHINGLE MATERIAL REQUIREMENTS
767 COMMENTARY FIGURE R905.7.4 WOOD SHINGLE GRADE DESCRIPTION AND EXAMPLE LABEL
COMMENTARY FIGURE R905.7.5(1) WOOD SHINGLE APPLICATION
768 COMMENTARY FIGURE R905.7.5(2) FASTENER PENETRATION
TABLE R905.7.5(1) WOOD SHINGLE WEATHER EXPOSURE AND ROOF SLOPE
TABLE R905.7.5(2) NAIL REQUIREMENTS FOR WOOD SHAKES AND WOOD SHINGLES
769 COMMENTARY FIGURE R905.7.6 WOOD SHINGLE VALLEY FLASHING
770 TABLE R905.8.5 WOOD SHAKE MATERIAL REQUIREMENTS
771 TABLE R905.8.6 WOOD SHAKE WEATHER EXPOSURE AND ROOF SLOPE
COMMENTARY FIGURE R905.8.6 WOOD SHAKE APPLICATION
772 COMMENTARY FIGURE R905.8.7 WOOD SHAKE APPLICATION ON ROOFS WITH SLOPES NOT LESS THAN 3 IN 12
COMMENTARY FIGURE R905.8.9 WOOD SHAKE DESCRIPTION AND EXAMPLE LABELS
773 TABLE R905.9.2 BUILT-UP ROOFING MATERIAL STANDARDS
775 COMMENTARY FIGURE R905.9.3(1) BUILT-UP ROOF—NAILABLE DECK APPLICATION
COMMENTARY FIGURE R905.9.3(2) BUILT-UP ROOF—APPLICATION TO NONNAILABLE DECK BY SPOT MOPPING
776 COMMENTARY FIGURE R905.9.3(3) BUILT-UP APPLICATION TO NONNAILABLE DECK SOLID MOPPING
777 TABLE R905.10.3(1) METAL ROOF COVERING STANDARDS
TABLE R905.10.3(2) MINIMUM CORROSION RESISTANCE
TABLE R905.11.2 MODIFIED BITUMEN ROOFING MATERIAL STANDARDS
779 TABLE R905.14.3 PROTECTIVE COATING MATERIAL STANDARDS
780 TABLE R905.16.6 CLASSIFICATION OF PHOTOVOLTAIC SHINGLES
781 SECTION R906 ROOF INSULATION
TABLE R906.2 MATERIAL STANDARDS FOR ROOF INSULATION
SECTION R907 ROOFTOP-MOUNTED PHOTOVOLTAIC PANEL SYSTEMS
SECTION R908 REROOFING
783 BIBLIOGRAPHY
784 CHAPTER 10: CHIMNEYS AND FIREPLACES
GENERAL COMMENTS
PURPOSE
SECTION R1001 MASONRY FIREPLACES
785 TABLE R1001.1 SUMMARY OF REQUIREMENTS FOR MASONRY FIREPLACES AND CHIMNEYS
786 FIGURE R1001.1 FIREPLACE AND CHIMNEY DETAILS
789 COMMENTARY FIGURE R1001.6(1) SECTION THROUGH FIREPLACE
COMMENTARY FIGURE R1001.6(2) RUMFORD FIREPLACE
791 FIGURE R1001.11 CLEARANCE FROM COMBUSTIBLES
SECTION R1002 MASONRY HEATERS
792 SECTION R1003 MASONRY CHIMNEYS
793 COMMENTARY FIGURE R1003.2 TYPICAL MASONRY CHIMNEY
794 COMMENTARY FIGURE R1003.5(1) INDIVIDUAL CORBELS
COMMENTARY FIGURE R1003.5(2) CORBELING FROM FOUNDATION WALL
797 TABLE R1003.14(1) NET CROSS-SECTIONAL AREA OF ROUND FLUE SIZESa
COMMENTARY FIGURE R1003.12 MULTIPLE FLUES
798 TABLE R1003.14(2) NET CROSS-SECTIONAL AREA OF SQUARE AND RECTANGULAR FLUE SIZES
COMMENTARY FIGURE R1003.15.1 MULTIPLE FLUES
799 FIGURE R1003.15.2 FLUE SIZES FOR MASONRY CHIMNEYS
800 COMMENTARY FIGURE R1003.16 CHIMNEY WITH INLET—MINIMUM CLEARANCES TO COMBUSTIBLE FIRESTOPPING
801 TABLE R1003.20 CRICKET DIMENSIONS
FIGURE R1003.18 CLEARANCE FROM COMBUSTIBLES
FIGURE R1003.20 CHIMNEY CRICKET
SECTION R1004 FACTORY-BUILT FIREPLACES
802 SECTION R1005 FACTORY-BUILT CHIMNEYS
803 COMMENTARY FIGURE R1005.6 EXAMPLE OF FACTORY-BUILT FIREPLACE AND CHIMNEY
804 SECTION R1006 EXTERIOR AIR SUPPLY
805 BIBLIOGRAPHY
806 PART IV—ENERGY CONSERVATION
CHAPTER 11 [RE] ENERGY EFFICIENCY
GENERAL COMMENTS
PURPOSE
SECTION N1101 GENERAL
810 COMMENTARY FIGURE N1101.6 BASEMENT WALLS
821 FIGURE N1101.7 (R301.1) CLIMATE ZONES
822 TABLE N1101.7 (R301.1) CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
823 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
824 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
825 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
826 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
827 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
828 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
829 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
830 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
831 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
832 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
833 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
834 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
835 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
836 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
837 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
838 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
839 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
840 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
841 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
842 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
843 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
844 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
845 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
846 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
847 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
848 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
849 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
850 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
851 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
852 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
853 TABLE N1101.7 (R301.1)—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
854 EQUATION 11-1
TABLE N1101.7.2 (R301.3) THERMAL CLIMATE ZONE DEFINITIONS
855 EQUATION 11-2
EQUATION 11-3
856 COMMENTARY FIGURE N1101.10.1 SAMPLE CERTIFICATE OF INSULATION
858 TABLE N1101.10.3(1) [R303.1.3(1)] DEFAULT GLAZED WINDOW, GLASS DOOR AND SKYLIGHT U-FACTORS
TABLE N1101.10.3(2) [R303.1.3(2)] DEFAULT OPAQUE DOOR U-FACTORS
COMMENTARY FIGURE N1101.10.3(1) SAMPLE NATIONAL FENESTRATION RATING COUNCIL (NFRC) LABEL
859 TABLE N1101.10.3(3) [R303.1.3(3)] DEFAULT GLAZED FENESTRATION SHGC AND VT
COMMENTARY FIGURE N1101.10.3(2) VISUALLY VERIFIABLE WINDOW CHARACTERISTICS
862 COMMENTARY FIGURE N1101.14 CERTIFICATE
SECTION N1102 (R402) BUILDING THERMAL ENVELOPE
863 COMMENTARY FIGURE N1102.1 THERMAL ENVELOPE AND CONDITIONED SPACE, WITH SAMPLE INSULATION VALUES
866 TABLE N1102.1.2 (R402.1.2) MAXIMUM ASSEMBLY U-FACTORSa AND FENESTRATION REQUIREMENTS
867 COMMENTARY FIGURE N1102.1.2(1) EXAMPLE OF U-FACTOR CALCULATION
COMMENTARY FIGURE N1102.1.2(2) EXAMPLE OF U-FACTOR ALTERNATIVE
868 TABLE N1102.1.3 (R402.1.3) INSULATION MINIMUM R-VALUES AND FENESTRATION REQUIREMENTS BY COMPONENT
871 COMMENTARY FIGURE N1102.2.1(1) TYPICAL ROOF ASSEMBLY
872 COMMENTARY FIGURE N1102.2.1(2) RAISED-HEEL TRUSS
873 COMMENTARY FIGURE N1102.2.2 CEILING WITHOUT ATTIC SPACE
COMMENTARY FIGURE N1102.2.3 EAVE BAFFLE
874 COMMENTARY FIGURE N1102.2.4.1 ACCESS HATCH AND DOOR INSULATION INSTALLATION
875 COMMENTARY FIGURE N1102.2.5(1) EXTERIOR INSULATION
COMMENTARY FIGURE N1102.2.5(2) INTERIOR INSULATION
876 TABLE N1102.2.6 (R402.2.6) STEEL-FRAME CEILING, WALL AND FLOOR INSULATION R-VALUES
877 COMMENTARY FIGURE N1102.2.7(1) FLOOR INSULATION IN CONTACT WITH UNDERSIDE OF FLOOR DECKING
COMMENTARY FIGURE N1102.2.7(2) FLOOR INSULATION IN CONTACT WITH TOP SIDE OF SHEATHING
COMMENTARY FIGURE N1102.2.7(3) FLOOR INSULATION IN CONTACT WITH TOP SIDE OF SHEATHING PLUS CONTINUOUS INSULATION
878 COMMENTARY FIGURE N1102.2.8.1 WALK-OUT BASEMENT
880 COMMENTARY FIGURE N1102.2.9.1 SLAB INSULATION METHODS
881 COMMENTARY FIGURE N1102.2.10.1 CRAWL SPACE WALL INSULATION
884 COMMENTARY FIGURE N1102.4 TYPICAL SOURCES OF AIR LEAKAGE
886 TABLE N1102.4.1.1 (R402.4.1.1) AIR BARRIER, AIR SEALING AND INSULATION INSTALLATIONa
887 TABLE N1102.4.1.1 (R402.4.1.1)—continued AIR BARRIER AND INSULATION INSTALLATIONa
888 COMMENTARY FIGURE N1102.4.5 IC-RATED RECESSED LIGHT
889 SECTION N1103 (R403) SYSTEMS
892 COMMENTARY FIGURE N1103.3.2(1) EXAMPLES OF DUCTS IN EXTERIOR WALLS THAT WOULD BE CONSIDERED WITHIN CONDITIONED SPACE
893 COMMENTARY FIGURE N1103.3.2(2) EXAMPLES OF DUCTS IN FLOOR SYSTEMS THAT WOULD BE CONSIDERED IN CONDITIONED SPACE
896 COMMENTARY FIGURE N1103.5.3 DIAGRAM OF A DRAIN WATER HEAT RECOVERY SYSTEM
897 TABLE N1103.6.2 (R403.6.2) WHOLE-DWELLING MECHANICAL VENTILATION SYSTEM FAN EFFICACYa
COMMENTARY FIGURE N1103.6.1 SIMPLE ERV/HRV SCHEMATIC LAYOUT
899 SECTION N1104 (R404) ELECTRICAL POWER AND LIGHTING SYSTEMS
COMMENTARY FIGURE N1104.1 LIGHTING EFFICACY
900 SECTION N1105 (R405) TOTAL BUILDING PERFORMANCE
902 TABLE N1105.2 (R405.2) REQUIREMENTS FOR TOTAL BUILDING PERFORMANCE
909 TABLE N1105.4.2(1) [R405.4.2(1)] SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
910 TABLE N1105.4.2(1) [R405.4.2(1)]—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
911 TABLE N1105.4.2(1) [R405.4.2(1)]—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
912 TABLE N1105.4.2(1) [R405.4.2(1)]—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
TABLE N1105.4.2(2) [R405.4.2(2)] DEFAULT DISTRIBUTION SYSTEM EFFICIENCIES FOR PROPOSED DESIGNSa
913 COMMENTARY FIGURE N1105.4.2 EXAMPLE OF COMPACTNESS
914 SECTION N1106 (R406) ENERGY RATING INDEX COMPLIANCE ALTERNATIVE
915 EQUATION 11-4
EQUATION 11-5
TABLE N1106.2 (R406.2) REQUIREMENTS FOR ENERGY RATING INDEX
916 TABLE N1106.5 (R406.5) MAXIMUM ENERGY RATING INDEX
918 SECTION N1107 (R407) TROPICAL CLIMATE REGION COMPLIANCE PATH
919 COMMENTARY FIGURE N1107.2(1) PROJECTION FACTOR
920 COMMENTARY FIGURE N1107.2(2) NATURAL VENTILATION
SECTION N1108 (R408) ADDITIONAL EFFICIENCY PACKAGE OPTIONS
921 COMMENTARY FIGURE N1108.2.2 HVAC EQUIPMENT EFFICIENCY
COMMENTARY FIGURE N1108.2.3 WATER HEATER EQUIPMENT EFFICIENCY
922 SECTION N1109 (R501) EXISTING BUILDINGS—GENERAL
923 SECTION N1110 (R502) ADDITIONS
924 SECTION N1111 (R503) ALTERATIONS
926 SECTION N1112 (R504) REPAIRS
SECTION N1113 (R505) CHANGE OF OCCUPANCY OR USE
927 BIBLIOGRAPHY
928 INDEX
946 ADDITIONAL CODE RESOURCES FROM ICC
947 ICC LEARNING CENTER
948 ICC ASSESSMENT CENTER
949 ICC DIGITAL CODES PREMIUM
ICC IRC Commentary Volume 1 2021 1stptg
$100.21