The substantially continuous barrier coating may have a dry weight of from about 1 pound to about 25 pounds, per thousand square feet of board surface, such as less than 15 pounds per thousand square feet. As discussed above, the thin film coating may be substantially continuous, such that ...
particularly in fully adhered assemblies. The material is durable and provides superior impact and puncture resistance. However, this kind of cover board is normally heavy and expensive. Entry level roof cover board, on the other hand, does not have the quality of premium...
May be used on exterior surfaces with imposed wind loads up to 40 PSF. PermaBase Flex* Cement Board Lightweight Polymer-modified cement board with glass fiber mesh reinforcement, 1/2" (12.7 mm) thick, 48" (1219 mm) width, 96" (2438 mm) length. For use anywhere an even curved surface...