CEN/TC 38/WG 3 - Performances of treated wood

This part of EN 351 establishes a classification of preservative-treated wood in terms of preservative penetration and gives guidance on a classification of retention. These should be used as a basis for specifying preservative treatments for particular products. This part of EN 351 includes clauses on factory production control and marking.

This part of EN 351 gives guidance on the general procedures to be used in the preparation of samples of preservative-treated wood for the determination of penetration and retention of wood preservative.