Description PermaBase® BRAND Cement Board is an underlayment and substrate for tub and shower surrounds, countertops, flooring and a variety of other interior and exterior applications. PermaBase 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. PermaBase is ideally suited for interior applications such as shower and tub enclosures, garden/whirlpool tubs, steam rooms and saunas, swimming pools and decks. PermaBase is also an excellent substrate for exterior finishes such as tile, stucco, direct applied finishes, thin brick and adhered stone.
Advantages
30-Year Limited Warranty on PermaBase Interior Applications.
10-Year Limited Warranty on PermaBase Exterior Applications.
Reinforced edge with EdgeTech® technology allows for closer fastener application of nails or screws at the edge without crumbling or spinout.
Enhanced mold resistance per ASTM D 3273 (10).
Suitable for both interior and exterior applications.
PermaBase Cement Board is GREENGUARD Children & Schools Indoor Air Quality Certified®.
Available Products
1/4" – PermaBase
1/2" - PermaBase
5/8” – PermaBase
LEED Documentation Visit the Green Product Score (GPS) for LEED documents for National Gypsum products.