![PermaBase CB23140500 Underlayment, 5 ft L, 3 ft W, 1/4 in Thick, Cement/Plastic, Gray [SKU: ORG5298708]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/5652/5784/5298708__63751.1683052662.jpg?c=1 "PermaBase CB23140500 Underlayment, 5 ft L, 3 ft W, 1/4 in Thick, Cement/Plastic, Gray [SKU: ORG5298708]")
![PermaBase CB23140500 Underlayment, 5 ft L, 3 ft W, 1/4 in Thick, Cement/Plastic, Gray [SKU: ORG5298708]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/5652/5784/5298708__63751.1683052662.jpg?c=1 "PermaBase CB23140500 Underlayment, 5 ft L, 3 ft W, 1/4 in Thick, Cement/Plastic, Gray [SKU: ORG5298708]")
Product Overview
Cement board underlayment 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. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: TILE PRODUCTS/CEMENT BACKERBOARDS;Shop All]
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