PermaBASE Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that withstands prolonged exposure to moisture. Use PermaBASE as an underlayment or backing surface for tub and shower surrounds, floors and a variety of other interior and exterior applications. The EdgeTech reinforced edges allow for more secure application of fasteners closer to the edge.
Moisture and mold resistant
EdgeTech Reinforced Edge allows for more secure application of fasteners closer to the edge
Easy to cut– speeds up installation
Interior and exterior use
Achieves the lowest water-absorption rating of any cement board per ASTM C473, offering better tile bond
UL GREENGUARD Gold certification for low chemical emissions to help indoor air quality
Approved as a substrate for tile, stone, thin brick, and stucco
Limited lifetime product warranty for interior installations