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National Gypsum
1/4-Inch x 3x5-Foot PermaBASE Cement Board
- Mfg.#
- 5298708
- Sku#
- 2901114
- Stays intact when exposed to water; will not rot, disintegrate, or swell
- EdgeTech® Reinforced Edge
- Easy to Cut
- Interior and Exterior Use
* Estimated stock levels as of Thu, Apr 2, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
INTERIOR/EXTERIOR ULTRABACKER 3' W x 5' L Thickness In=1/4
Specifications
General
| Application | Shower, Sauna / Steam Room, Heat Shield, Kitchen, Fireplace, Floors, Bathtub, Accent Wall, Outdoor Living, Continuous Insulation, Cement Board Masonry Veneer, Cement Board Stucco |
|---|---|
| Edge | EdgeTech® Reinforced Edge |
| Impact Resistant | Yes |
| Moisture Resistant | Yes |
| Mold Resistance | Yes |
| categorization | 3000001002 |
Dimensions
| Thickness | 1/2 in , 5/8 in |
|---|---|
| Width | 32 in, 36 in, 48 in |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | USA |
|---|---|
| Manufacturer Warranty | Residential: Limited Lifetime Commercial: 30-Year Limited |
| Shop USA | Yes |
Label Information
| Certification, Codes, Standards | ASTM C473, ASTM D3273 ASTM G21, UL Classification, Building Code Approved |
|---|
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