Owens Corning
Roofing shingles
Last updated:
Abstract:
A shingle including a substrate having a top surface and a bottom surface, an asphalt layer, a layer of granules, and a spacing layer is provided. The asphalt layer covers at least a portion of the top surface and the layer of granules is adhered to the asphalt layer. The spacing layer is attached beneath at least a portion of the bottom surface.
Status:
Grant
Type:
Utility
Filling date:
21 Aug 2017
Issue date:
29 Oct 2019