Buy BSI Standards

The TDCA is an Official Distributor of The British Standards Institution (BSI

You can benefit from a 15% discount on the purchase of any BSI standard (digital pdf only) acquired through the Association. 

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NOTE: it may take 24 hours or longer, if a non-working day, for you to receive the pdf as this is a manual process not an automated one - BSI generate a watermarked version which is unique to you.

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The following list of BSI publications represent the most relevant standards associated with timber decking and cladding. If you require a standard not listed here, please contact TDCA.

BS EN 335:2013 Durability of wood and wood-based products. Use classes: definitions, application to solid wood and wood-based products

BS EN 335 defines five use classes that represent different service situations to which wood and wood-based products can be exposed. BS EN 335 also indicates the biological agents relevant to each situation.

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £142.00

£120.70

BS EN 350:2016 Durability of wood and wood-based products. Testing and classification of the durability to biological agents of wood and wood-based materials

This European standard helps its users identify the durability of wood and wood-based products in their lifecycle. BS EN 350 gives guidance on methods for determining and classifying the durability of wood and wood-based materials against biological wood-destroying agents. 

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £298.00

£253.30

BS EN 351-1:2023 Durability of wood and wood-based products. Preservative-treated solid wood - Classification of preservative penetration and retention

This part of the EN 351 series establishes a classification of preservative-treated wood in terms of preservative penetration and gives guidance on a classification of retention. These can be used as a basis for specifying preservative treatments for particular products.

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £142.00

£120.70

BS EN 351-2:2023 Durability of wood and wood-based products. Preservative-treated solid wood - Guidance on sampling for the analysis of preservative-treated wood

This part of the EN 351 series gives guidance for the general procedures in obtaining samples of preservative-treated wood for the determination of penetration and retention of wood preservative. It also gives guidance on the measurement of penetration and retention of a wood preservative in the treated wood.

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £198.00

£168.30

BS EN 599-1:2009+A1:2013 Durability of wood and wood-based products. Efficacy of preventive wood preservatives as determined by biological tests - Specification according to use class

BS EN 599-1 is one of a series and should be used in conjunction with  EN 599-2 EN 335-1, and EN 335-2, which describe the service conditions for treated wood in terms of use classes. 

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £232.00

£197.20

BS 8417:2011+A1:2014 Preservation of Wood. Code of practice

This British Standard gives recommendations and guidance for the preservative treatment of wood to provide protection against biodeterioration in end-use situations. It gives recommendations for determining the need for treatment and specifying the type of treatment.

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £198.00

£168.30

BS8605-1:2014 External timber cladding - Method of specifying

This Standard gives the most up-to-date requirements for specifying external timber cladding, including performance requirements and moisture content.  It applies to external cladding functioning as a rain screen and covers boards, shingles and shakes, and wood-based panels.

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £276.00

£234.60

BS EN 14915:2013+A2:2020 Solid wood panelling and cladding. Characteristics, requirements and marking

This European Standard defines and specifies the relevant characteristics and the appropriate test methods to determine these characteristics for solid wood products to be used as panelling and cladding (including siding) for:

  • wall and ceiling panelling for internal use,
  • wall and ceiling cladding for external uses.

Read more here

The TDCA is an Official Distributor of BSI for BSI standards.  You benefit from a 15% discount. RRP: £198.00

£168.30

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