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  • WIS 2/3 -16 Preservative treatment for timber: a guide to specification

  • TRADA Technology Ltd
  • March 2018
  • WIS 2/3 - 16
  • Wood Information Sheet, PDF
  • 5
  • Free of charge
  • £12.00 (zero VAT)
(WOOD INFORMATION SHEET)
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(PDF ~ 470 kb)
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The first decision to be made regarding preservative treatment is whether the use of a naturally durable species will satisfy the durability requirements or whether treatment is needed. This Wood Information Sheet aims to guide the specifier through the process necessary to reach a decision that will result in a timber component that is fit for purpose.

Aspects considered include service factors, desired service life, the in-service environment, natural durability and regulated products.

This Wood Information Sheet (WIS) guides the specifier through the process of: Deciding whether a preservative treatment is required to protect a timber product Specifying where a treatment is required Specifying an appropriate treatment to ensure that a timber component is fit for purpose with regards to its durability.

This Wood Information Sheet was revised in April 2017 and changes have been made to reflect the update of standards BS EN 335 and BS EN 350.
The first decision to be made regarding preservative treatment is whether the use of a naturally durable species will satisfy the durability requirements or whether treatment is needed. This Wood Information Sheet aims to guide the specifier through the process necessary to reach a decision that will result in a timber component that is fit for purpose. Aspects considered include service factors, desired service life, the in-service environment, ...
...more
Contents:

Key Standard and guide for specifiers
Factors influencing wood decay and the need for preservative treatment
Specifying an appropriate preservative treatment
Post-treatment