Shingle having ribs and a cavity on its underside

Static structures (e.g. – buildings) – Frangible section or means

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Details

523091, 52520, 52555, 52559, 52560, 52314, F02D 120, F02D 124

Patent

active

060216115

ABSTRACT:
A roofing shingle includes organic, resinous material and an inorganic filler material, the single having a top surface, two side surfaces, an upper end, and a lower or butt end, defining a cavity on the underside of the shingle, with ribs positioned within the cavity. When applied to a roof, the shingle has the appearance of wooden shake shingle and provides a Class A fire barrier when tested according to ASTM test E108-93 for flame spread, burning brand and intermittent flame.

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