Permabase Cement Board, 1/2in x 4 ft x 8 ft

PermaBase Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that is able to withstand prolonged exposure to moisture. Use it as an underlayment or backing surface in a variety of interior and exterior applications, including (but not limited to) tub and shower surrounds, countertops, flooring and for cement board stucco and masonry veneer wall systems.