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.
Product Details
Manufacturer: NATIONAL GYPSUM PROPERTIES
Manufacturer's Part Number: CB36580500
Show me more Backer Boards
Product Features
- Resists the growth of mold
- 1/2 in PermaBase® may be used in 1 hr and 2 hr rated assemblies
- PermaBase® has a smoother finish than other brands and has no open edges, which reduces hand chafing
- PermaBase® is highly moisture-resistant and will not rot, disintegrate or swell when exposed to water
- Reinforced edge with EdgeTech technology allows for closer fastener application of nails or screws at the edge without crumbling or spinout
- PermaBase® is impact-resistant, extremely durable and dimensionally stable, it has excellent overall flexural, compressive and tensile strength characteristics
- Can be cut utilizing a standard utility knife and straight edge, with PermaBase's unique core composition, little or no additional labor is needed to clean the edge after a cut
Product Specifications
| Color | Gray |
| Length | 5 ft |
| Material | Cement/Polystyrene |
| Thickness | 5/8 in |
| Width | 3 ft |