Description
Knauf Water Resistant Gypsum Backing Boards are ASTM C1396 compliant gypsum boards, specifically
designed for use in areas with humidity and exposure to moisture.
Field of Application
Knauf Water Resistant Gypsum Boards (GB-WR) are high performance gypsum boards used as the cladding component of drywall constructions in humid areas such as:
Properties
| Thickness(mm) | 12.7 mm / 15.9 mm |
|---|---|
| width | 1220 mm |
| length | 2400 or 3000 mm |
| Board Weight | 12.7 mm approx. 9.7 kg / m2, 15.9 mm approx. 12.3 kg / m 2 |
| Water Absorption | N/A |
| Nail Pull Resistance | 12.7 mm : > 343 N, 15.9 mm : > 387 N |
| Flexural Strength | Parallel :12.7 mm = > 160 N , 15.9 mm = > 205 N, Perpendicular : 12.7 mm- > 476 N 15.9 mm- > 654 N |
| Appearance | Green Paper Liner |
| Standards and codes | ASTM C 1396 / C 1396M – 09a – Section 7 and Type X ASTM E 84 – Flame Spread = 10 Intertek listed under CSI code: 09 29 00 |
