prSSH EN 16663:2025

Biological durability of wood and wood-based products - Determination of emissions from preservative treated wood to the environment - Wooden commodities exposed in Use Class 3 (Not covered, not in contact with the ground) - Semi-field method

General information

Current stage: 40.20 Effective date: Feb 9, 2026

Next stage: 40.60 Next stage date: May 11, 2026

Originator: DPS

Owner: DPS/KT 175

Type: European Norm

ICS: 13.020.30 71.100.50

Scope

This document specifies a method for determining the leaching of active ingredients or other compounds from preservative treated wood by a semi-field method for Use Class 3 (outdoor above ground). The preservative treated wood can be tested with or without subsequently surface coating or other water-repellent treatment. The method is applicable to the testing of commercial or experimental preservatives or paint systems applied to timber by methods appropriate to commercial practice.

Life cycle

PREVIOUSLY

PUBLISHED
DS CEN/TS 16663:2016

NOW

IN_DEVELOPMENT
prSSH EN 16663:2025
40.20 DIS ballot initiated: 12 weeks
Feb 9, 2026

Related project

Adopted from EN 16663:2025 IDENTICAL

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