CGSB 1.501 : M89
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
METHOD FOR PERMEANCE OF COATED WALLBOARD
01-10-2011
12-01-2013
Provides method to determine water vapour permeance of organic coatings when applied to gypsum wall board.
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