Shingle having ribs and cavity on its underside

Details Shingle having ribs and cavity on its underside Shingle having ribs and cavity on its underside

1998-04-30

2000-09-05

Canfield, Robert

Static structures (e.g., buildings)

Lapped multiplanar surfacing; e.g., shingle type

Plural tabs or facing elements simulator

52559, 52560, 52555, 52 98, 523091, 52313, 52314, E04D 120, E04D 108

Patent

active

061124923

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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