True North Hardwood Plywood Flame Spread Resistance
All True North Hardwood Plywood meets the following specification:
 
Surface burning characteristics - ASTM E 84 (Average values)
 Flame Spread 190
Fuel Contributed 135
Smoke Density 70
Meets Class C (200 or under Flame Spread)
 
Independent testing performed by HPVA testing laboratory using ASTM E 84 twenty-five foot tunnel furnace test method.