Wall Grade Specifications
| Durability: | US panels are available in two classifications: Exterior – equivalent to (BS) EN 314 Bond Class 3 or Exposure 1 (always includes D veneer) – Bond Class 2 |
| Veneer: | Mix of veneer grades used |
| Span rating/support spacing and designated loading: | Maximum support spacing is 406mm (32/16 on panel) for allowable shear of 1370 kg/m2 (280 lbs/sq.ft) fixed with 63mm (2-1/2″) nails. If fixed with 76mm (3″) nails allowable shear is 1660 kg/m2 (340 lbs/sq.ft). Nail diameter 3.7mm (0.148″) with minimum penetration 38mm (1-1/2″) |
| Thickness: | 10.6mm (7/16) |
| Sanded/unsanded: | Unsanded only |
| General Info: | Unsanded grade for use where shear and cross-panel strength properties are most important |
