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Timber Hazard Class Guide

A system of Hazard Classes for wood products nominate the type and level of treatment required to protect wood products in various end use applications for each region.


It is therefore important the preservative treatments used, for wood protection, contain the correct penetration and retention of appropriate wood protection actives for the identified hazards in the end use of the wood product.

Download the treated timber hazard class guide for your region: 

Latest News:January 8th 2018

Glue Laminated Timber Bridge

Tanalith® Q and glue laminating technology produces engineered wood bridge spanning 40 metres through the forest in Taiwan.