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BS 8298-5:2023

$215.11

Design and installation of natural stone cladding and lining – Internal cladding and lining. Code of practice

Published By Publication Date Number of Pages
BSI 2023 86
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PDF Catalog

PDF Pages PDF Title
5 Foreword
7 1 Scope
2 Normative references
9 3 Terms and definitions
12 Figure 1 — Birdsmouth joint
13 4 Stone selection process
4.1 General
14 4.2 Stone samples and testing
15 Table 1 — PCT testing of characteristics of slabs for cladding or lining
17 Table 2 — Stone testing regime in addition to the requirements of BS EN 1469:2015
18 5 Designing internal cladding
5.1 General
19 5.2 Movement in structures
Table 3 — Origins of movement in structures
5.3 Deflection limits
20 5.4 Impact loading
5.5 Material strength
22 5.6 Factors of safety
24 Table 4 — Components of overall factor of safety
25 5.7 Impact
26 5.8 Staining and changes in appearance
5.9 Cavities
27 5.10 Methods of attachment and support for internal cladding
28 Figure 2 — Typical internal cladding fixings incorporating a cavity
29 Figure 3 — Back anchors
30 Figure 4 — Undercut anchors as soffit fixings
31 Figure 5 — Kerfs and mortices
Figure 6 — Section through typical loadbearing and restraint fixing
32 Figure 7 — Adjustable restraint fixing at compression joint level
33 Figure 8 — Restraint fixing at compression joint
Figure 9 — Face fixing
34 Figure 10 — Three-way adjustment of fixings
36 Table 5 — Corrosion of metals in an industrial/urban atmospheric environment
38 Figure 11 — Loadbearing fixing
39 Figure 12 — Location of fixings
41 Figure 13 — Position of restraint fixings
43 Figure 14 — Glued and pinned corner
44 Table 6 — Length of return
Figure 15 — Solid L-shaped return
45 5.11 Jointing and pointing
48 6 Internal lining – methods of attachment and support for internal cladding
49 7 Soffit and ceiling fixings
50 Figure 16 — Use of plates and dowels in soffit and ceiling stone
52 Figure 17 — Typical soffit support framing
53 Figure 18 — Typical soffit support framing (with top hat fixings to structure)
8 Installation of stone slabs of more than 12 mm and up to 20 mm thickness
55 Figure 19 — Restraint cramp and dowel
56 Figure 20 — Combined support and restraint fixing
57 Figure 21 — Wire restraint cramps
Figure 22 — Restraint cramp
58 9 Work practices in production
9.1 General
9.2 Sizes and tolerances
9.3 Dowel holes and mortices
59 Table 7 — Tolerances for the shape of dowel holes in production
9.4 Marking
9.5 Production and storage
10 Work practices on site
10.1 Permissible deviations (construction tolerances for cladding and lining)
Table 8 — Stonework erection tolerances for internal cladding
60 Table 9 — Internal cladding joint tolerances
10.2 Scaffolding
10.3 Movement and storage of materials
61 10.4 Fixings
10.5 Bedding, jointing and sealing of joints
10.6 Movement joints and compression beds
10.7 Inspection of finished works
62 10.8 Protection
10.9 Site repairs
10.10 Cleaning on completion of work
11 Maintenance
64 Annex A (informative)  Sampling of natural stone: plan and report
65 Figure A.1 — Example sampling plan
66 Figure A.2 — Example sampling report
67 Figure A.3 — Sampling for representative samples
68 Annex B (normative)  Method of test for kerf clip or channel fixings under tensile load
Figure B.1 — Test arrangement for kerf clip or channel fixing under tensile load
69 Figure B.2 — Typical report format of tensile load of kerf clip or channel fixings
70 Annex C (normative)  Method of test for undercut anchor fixings under tensile load
Figure C.1 — Test arrangement for undercut anchor fixing under tensile load
72 Annex D (normative)  Method of test for undercut anchor fixings in shear
73 Figure D.1 — Test arrangement for undercut anchor fixings in shear
75 Annex E (normative)  Method of test for undercut anchor fixings under combined tensile and shear load
76 Figure E.1 — Test arrangement for undercut anchor fixings under combined tensile and shear load
77 Annex F (informative)  Determination of slab thickness by calculation
80 Annex G (informative)  Worked example of flexural design and fixing breakout design checks
Table G.1 — Partial material factors of safety
81 Table G.2 — Flexural design
82 Table G.3 — Fixing breakout design – Worked example
83 Bibliography
BS 8298-5:2023
$215.11