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US 10,370,852 B2Granted
Roofing material with a non-asphalt backing
AssigneeOwens Corning Intellectual Capital, LLC
InventorsJonathan M. Verhoff, Desmond John VanHouten, Scott William Schweiger
Life of this patent
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Abstract
A roofing material including a substrate having a top face and a bottom face. The roofing material further includes a non-asphalt coating applied to the substrate and an asphalt layer covering at least a portion of the top face. The bottom face is asphalt-free, or substantially asphalt-free.
Claims11
A roofing material, comprising:
- a substrate having a top face and a bottom face;
- a non-asphalt coating on the substrate;
- an asphalt coating on at least a portion of the top face of the substrate, wherein substantially no asphalt is on the bottom face of the substrate;
- a first portion of the substrate is unimpregnated with the non-asphalt coating such that the asphalt coating on the top face of the substrate impregnates the first portion;
- and
- a layer of granules adhered to the asphalt coating.
3 more elements
A method of manufacturing a roofing material, comprising:
- applying a non-asphalt coating to a substrate having a top face and a bottom face;
- coating the top face of the substrate with asphalt, wherein substantially no asphalt is coated on a bottom face;
- selectively leaving a first portion of the substrate unimpregnated with non-asphalt coating such that the step of coating the top face of the substrate with asphalt results in impregnating the first portion with asphalt;
- and
- applying a layer of granules on the asphalt.
2 more elements
Dependencies are inferred from the claim text.