NFPA 221 2024

$80.71

NFPA 221: Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls

Published By	Publication Date	Number of Pages
NFPA	2024	35

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Category: NFPA

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Description

Help protect lives and reduce damage by referencing NFPA 221 for the latest requirements for fire-rated walls. Fire wall assemblies are intended to offer an effective means of slowing the spread of fire and reducing loss. NFPA 221, Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls, provides AHJs, architects, engineers, and anyone involved in building construction with comprehensive criteria for the proper design and construction of these structures. The standard covers general requirements for fire resistance ratings, performance-based design, and other considerations for high challenge fire walls, fire walls, and fire barrier walls, including protection of openings and penetrations. The updated 2021 edition offers the most relevant and complete provisions for fire wall assemblies. NFPA 221 assists in understanding and differentiating between the various kinds of walls, so you can make the right decisions to help safeguard people and property. Significant changes to the 2021 edition include: Added requirements to the performance-based design of walls designed using analytical methods to determine the performance of structural systems under uncontrolled fire exposure Expanded guidance on insulation applied to the exterior of the vertical surface of fire walls Revisions to requirements for buildings in high-wind-prone regions to coordinate with changes in the building code to mitigate small windborne debris damage Take confidence you have the right information to help ensure fire walls are designed and constructed to perform as intended.

PDF Catalog

PDF Pages	PDF Title
2	Important Notices and Disclaimers
3	Additional Important Notices and Disclaimers
8	Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Retroactivity. 1.5 Equivalency. 1.6 Units. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications.
9	2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. (Reserved) Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions.
10	Chapter 4 General Requirements 4.1 Scope. 4.2 Design Loads. 4.3 Fire Resistance Ratings.
11	4.4 Performance-Based Design. 4.5 Ducts and Air-Transfer Openings.
12	4.6 Double Wall Assemblies. 4.7 Impact Damage. 4.8 Joints. 4.9 Opening Protectives.
14	4.10 Penetrations.
15	4.11 Grade Plane. 4.12 Insulation and Siding. Chapter 5 High Challenge Fire Walls 5.1 Scope. 5.2 Structural Stability. 5.3 Cantilevered HC Fire Walls. 5.4 Tied HC Fire Walls. 5.5 Double HC Fire Walls. 5.6 HC Fire Walls at Elevation Differences.
16	5.7 Clearance. 5.8 Opening Protectives. 5.9 Penetrations in HC Fire Walls. 5.10 Ducts and Air Transfer Openings. 5.11 High-Hazard Materials.
17	5.12 Parapets. 5.13 Roof Surface Protection. 5.14 Roof Structures. 5.15 Roof Penetrations. 5.16 Horizontal Continuity.
19	Chapter 6 Fire Walls 6.1 Scope. 6.2 Structural Stability. 6.3 Cantilevered Fire Walls. 6.4 Tied Fire Walls. 6.5 Double Fire Walls.
20	6.6 Fire Wall Termination. 6.7 Fire Walls with Elevation Differences.
21	6.8 Clearance. 6.9 Horizontal Continuity. 6.10 Opening Protectives. Chapter 7 Fire Barrier Walls 7.1 Scope. 7.2 Continuity.
22	7.3 Opening Protectives. Annex A Explanatory Material
31	Annex B Informational References