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ISO 21887:2007

Durability of wood and wood-based products — Use classes

Nov 7, 2007

General information

90.93     Apr 11, 2023

ISO

ISO/TC 165

International Standard

79.040     71.100.50     79.060.01  

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Scope

ISO 21887:2007 defines five use classes that represent different service situations to which wood and wood-based products can be exposed all over the world. Subclasses are also defined for these use classes.
ISO 21887:2007 applies only to preservatives and processes for pre-treatment of wood and wood products and is not intended for products and processes for remediation and eradication of existing damage to timber. The annex to ISO 21887:2007 provides guidance on applying use classification to specify preservative treatments, treated wood, naturally durable and modified wood but does not provide definitive specifications.

Life cycle

NOW

PUBLISHED
ISO 21887:2007
90.93 Standard confirmed
Apr 11, 2023