CEN/TC 38/WG 2 - Natural durability

This European standard gives guidance on the selection of wood species based on their natural durability to attack by wood-destroying organisms for use as solid wood or as glued laminated timber (glulam) in the hazard classes defined in EN 335-1. This standard does not consider the durability characteristics of the glue used in glued laminated timber.

This part of EN 350 lists the natural durability of solid wood for selected wood species, considered of importance to the countries within Europe for constructional purposes.  It lists their relative durability to - wood- destroying fungi - dry wood destroying beetles - termites - marine organisms It also gives information relating to their treatability, origin, density, and sapwood width.

This part of EN 350 gives guidance on methods for the determination of the natural durability of untreated solid wood to attack by - wood-destroying fungi - insects (beetles and termites) - marine organisms and the classification of the wood species based on the results of these test methods.