Roofing 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 609mm (24/0 on panel) with edge support for recommended allowable live load of 146 kg/m2 (30 lbs/sq.ft), without edge support 487mm (19.2″)
Thickness: 8.2m (11/32)
Sanded/unsanded: Unsanded only
General Info: Unsanded grade for use where shear and cross-panel strength properties are most important


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