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BS 7374:1990

BS 7374:1990

$86.31

Methods of test for water vapour transmission resistance of board materials used in buildings

Published By Publication Date Number of Pages
BSI 1990 14
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Two methods for determining permeability resistance. The wet cup method is for testing hygroscopic materials and the dry cup method is for testing non-hygroscopic materials.

BS 7374:1990
$86.31