BS EN 12404:2020 pdf free.Durability of wood and wood-based products - Assessment of the effectiveness of masonry fungicide to prevent growth into wood of Dry Rot Serpula lacrymans (Schumacher ex Fries) S.F. Gray - Laboratory method. BS EN 12404 1 Scope This document spetfies a method for determining the performance of a preservative, applied to the upper surface of the...