Patent ID: 11946253
Assignee: TAMKO BUILDING PRODUCTS LLC
Field: Surface technology, coating (Chemistry)
Classification: CPC E  B | IPC B  E

Claim 0:
1. An impact resistant roofing shingle comprising:
an upper shingle layer having a tab portion and a headlap portion;
a lower shingle layer laminated to said upper shingle layer underneath said tab portion of said upper shingle layer;
the upper shingle layer and the lower shingle layer comprise:
a mat,
an upper asphalt coating layer applied to an exposed side of the mat,
a lower asphalt coating layer applied to an unexposed side of the mat,
a granular coating applied to the upper asphalt coating layer opposite the mat, and
a fabric reinforcing layer applied to the lower asphalt coating layer opposite the mat;

wherein the upper shingle layer has a width defined between a bottom of the roofing shingle and a top of the roofing shingle, and the lower shingle layer has a width defined between the bottom of the roofing shingle and a top edge of the lower shingle layer;
wherein the fabric reinforcing layer of the upper shingle layer extends the width of the upper shingle layer, and the fabric reinforcing layer of the lower shingle layer extends the width of the lower shingle layer; and
wherein each fabric reinforcing layer comprises a plurality of randomly arranged material strands that are fused together at a plurality of locations.