This standard applies to sheets composed of a uniform mixture of Portland cement and asbestos fibre, with or without the addition of curing agents, pigments, coatings, mineral granules or mineral fillers, designed to provide a decorative surface for surfaces of buildings exposed to weather.

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 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