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Transition from CE to CA for marking treated wood products
New rules apply due to Brexit 
November 2021 (updated January 2023)

Under the Construction Products Regulation (CPR) marking of certain construction products (those and only those covered by a harmonised European standard) became mandatory in the EU on 1 July 2013. 


The CE mark confirms the compliance of a product with all applicable European health, safety, performance and environmental requirements. Due to Brexit, CE marking of goods being placed on the market in Great Britain is gradually being replaced by UKCA marking *.

As part of our extensive library of important member resources, WPA have reissued comprehensive guidance to how these changes impact timber products treated with either a wood preservative or flame retardant, such as cladding or noise barriers. For the latest information download our Guide to Marking Wood.

* The UK government announced on 9 December 2022 that UKCA marking would become obligatory from 30 June 2025. Allowing business to use either UKCA or CE markings until then, though the UKCA mark could be used from 1 January 2021. Read more HERE.

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