This part of EN 351 establishes a classification of preservative-treated wood in terms of preservative penetration and gives guidance on a classification of retention. These should be used as a basis for specifying preservative treatments for particular products. This part of EN 351 includes clauses on factory production control and marking.

  • Standard
    17 pages
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This part of EN 351 gives guidance on the general procedures to be used in the preparation of samples of preservative-treated wood for the determination of penetration and retention of wood preservative.

  • Standard
    13 pages
    English language
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Frequently Asked Questions

CEN/TC 38/WG 3 is a Working Group within the European Committee for Standardization (CEN). It is named "Performances of treated wood". This committee has published 2 standards.

CEN/TC 38/WG 3 develops CEN standards. Currently, there are 2 published standards from this working group.

The European Committee for Standardization (CEN) is a public standards organization that brings together the national standardization bodies of 34 European countries. CEN provides a platform for developing European Standards (ENs) and other technical documents in relation to various products, materials, services, and processes, supporting the European Single Market.

A Working Group in CEN is a specialized group responsible for developing standards or technical work within a defined scope. These bodies bring together international experts to create consensus-based standards that support global trade, safety, and interoperability.