Patent ID: 9097020
Filing Date: 2015-08-04
Classification: B23P,E04D,Y10T

Abstract:
1. A shingle blank comprising: an underlay portion having a substrate coated with an asphalt coating and granules, the underlay portion having an upper edge and a lower edge; a separate overlay portion adhered to the underlay portion, the overlay portion comprising a substrate coated with an asphalt coating and granules and having more than one layered segment, at least one of the layered segments being folded over on top of at least one of the other layered segments, each of the layered segments connected together by a common substrate, the layered segments having a sealant bead forming an adhesive seal therebetween, wherein the entirety of the overlay portion is disposed on an upper surface of the underlay portion; and a plurality of perforation lines extending in a substantially perpendicular direction from an upper edge of the overlay portion to the lower edge of the underlay portion; wherein the plurality of perforation lines are sufficient to facilitate separation of the shingle blank to form hip and ridge roofing shingles configured for application across a ridge or hip.