This part of EN 335 gives guidance on the application to solid wood of the hazard classes, as defined in part 1 of EN 335, in relation to the biological agents that can attack solid wood. This part shall be used in conjunction with part 1 of EN 335. Annex A gives information and guidance for the user to determine the appropriate hazard class and to select a suitable level of durability (either natural or conferred by preservative treatment).
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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