Patent ID: 11965335
Assignee: GAF ENERGY LLC
Field: Civil engineering (Other fields)
Classification: CPC E  H  Y | IPC E  H

Claim 9:
10. The system of claim 1, wherein the second side lap includes a first end and a second end opposite the first end of the second side lap, a first edge extending from the first end of the second side lap to the second end of the second side lap, a second edge opposite the first edge of the second side lap and extending from the first end of the second side lap to the second end of the second side lap, and a plurality of grooves, and wherein the head lap of the first one of the plurality of roofing shingles and the head lap of the second one of the plurality of roofing shingles form a seam therebetween, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam.