Historical
BS EN 335-1:2006
Durabiltity of wood and wood-based products. Definitions of use classes. General (British Standard)
This part of EN 335 defines five use classes which represent different service situations to which wood and wood-based products can be exposed. This part of EN 335 also indicates the biological agents relevant to each situation. Annex A gives information on these biological agents.
British Standards Institution [bsi]