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BSI 23/30457821 DC:2023 Edition

BSI 23/30457821 DC:2023 Edition

$13.70

BS 8417 Preservation of wood – Code of practice

Published By Publication Date Number of Pages
BSI 2023 21
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PDF Catalog

PDF Pages PDF Title
1 30457821.PDF
3 BS 8417 SDP.pdf
4 1 Scope
5 2 Normative references
3 Terms and definitions
3.1 acceptable quality level (AQL)
3.2 critical value (cv)
3.3 penetration requirement
3.4 retention requirement
6 4 Determining the need for treatment
4.1 General
4.2 Use class
7 4.3 Likelihood and consequence of failure related to use class
8 4.4 Natural durability of wood
5 Specifying treatment of wood
5.1 General
9 5.2 Desired service life
5.3 Preservative type
6 Preservative treatment of wood
6.1 General
10 6.2 Preservatives where the performance has been tested in accordance with BS EN 599-1
6.3 Preservatives involving creosote
6.4 Achieving the penetration and retention requirements
6.4.1 Selecting sapwood or hardwood
6.4.2 Condition and moisture content of wood prior to treatment
11 6.5 Treatment process
7 Sampling and testing
18 Annex A (informative) Performance of wood products in service
Annex B (informative) The determination of preservative retention (R)
19 Annex C (informative) Natural durability recommendations for timber components

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BSI 23/30457821 DC
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