National Gypsum 3020575 1/2 In 3x5 Permabase
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National Gypsum

1/2 In 3x5 Permabase

Mfg.# 3020575
Sku# 5551452


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  • Features
  • Specifications
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.
  • 3 ft W x 5 ft L
  • Thickness In: 1/2