Durability of wood and wood-based products - Testing and classification of the durability to biological agents of wood and wood-based materials

This document establishes a systematic framework for evaluating the durability of wood and wood-based materials when exposed to various biological agents. It outlines specific methodologies for conducting resistance tests against organisms such as fungi, insects, and other biological factors that can degrade timber. The procedure defines clear criteria for classifying different types of wood based on their observed performance in these controlled environments. By providing standardized test conditions and classification rules, it enables consistent assessment of natural and treated timber products across different markets. The content focuses on the practical application of these tests to determine the suitability of wood for specific service conditions where biological attack is a potential risk. It serves as a technical reference for manufacturers, researchers, and quality assurance personnel involved in the production and use of wooden materials. The guidelines ensure that data obtained from durability assessments are comparable and reliable, supporting informed decisions regarding material selection in construction and industrial applications. This approach facilitates international trade by harmonizing testing protocols and classification systems.