Hardie Board, WonderBoard and Durock are all classified as cement boards. These sheet goods are made with a mixture of Portland cement and sand instead of the powdery gypsum that’s used in drywall.
CHARLOTTE, N.C., Jan. 8, 2019 /PRNewswire/ -- A study conducted by the National Association of Home Builders (NAHB) independent subsidiary, Home Innovation Research Labs™, has found using PermaBase® ...
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