BS DD146(1986) : 1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
METHODS OF TEST FOR WATER VAPOUR TRANSMISSION RESISTANCE OF SHEET MATERIALS USED IN BUILDINGS
Hardcopy , PDF
11-30-1990
English
01-01-1986
Sets out 2 techniques for materials 12 mm thick or above. Especially relevant for materials used for outermost layer of buildings,and in positions where there is high humidity.
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