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About This Item
This standard covers the performance requirements of two types of sheet materials, other than polyethylene, suitable for use in controlling the movement of water vapour in building construction.
Material to this standard is primarily intended for use in above-grade building construction and on the interior of below-grade building construction. This standard is not intended to apply to vapour barrier materials for use under concrete slabs or as ground cover in crawl spaces. This standard does not apply to polyethylene vapour barriers which are covered by CAN/CGSB-51.34-M, Vapour Barrier, Polyethylene Sheet for Use in Building Construction.
For more detailed information on intended uses see par. 9.2.
This standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.
Referenced in the National Building Code of Canada
Referenced in the National Housing Code