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