PermaBase CB36120500 Cement Backer Board, 5 ft L, 1/2 in Thick, Gray

A rigid substrate made of Portland cement, aggregate and glass mesh. It provides a hard, durable surface that is able to withstand prolonged exposure to moisture. An ideal underlayment for interior applications such as shower and tub enclosures, countertops and floors as well as exterior applications such as stone and/or thin brick.Reinforced edge with EdgeTech technology allows for closer fastener application of nails or screws at the edge without crumbling or spinout

Reinforced edge with EdgeTech technology allows for closer fastener application of nails or screws at the edge without crumbling or spinout

Resists the growth of mold

Can be cut utilizing a standard utility knife and straight edge, with PermaBase's unique core composition, little or no additional labor is needed to clean the edge after a cut

PermaBase is impact-resistant, extremely durable and dimensionally stable, it has excellent overall flexural, compressive and tensile strength characteristics

PermaBase is highly moisture-resistant and will not rot, disintegrate or swell when exposed to water

PermaBase has a smoother finish than other brands and has no open edges, which reduces hand chafing