A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Roofing shingles
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.
Roofing shingles
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.
Roofing shingles
GRUBKA LAWRENCE J (author) / ASCHENBECK DAVID P (author) / VERMILION DONN R (author) / HARRINGTON EDWARD R (author) / SMITH WILLIAM E (author)
2019-10-29
Patent
Electronic Resource
English