Patent ID: 8371072
Filing Date: 2013-02-12
Classification: E04D

Abstract:
1. A hip, ridge or rake shingle for a hip, ridge or rake edge of a roof having at least two roof surfaces in different planes, wherein the planes intersect at an apex having an included angle that the hip, ridge or rake shingle is to cover, the shingle being of generally inverted “V” shaped configuration and of a given length between a headlap edge and an opposite leading edge and comprising: a first side panel zone and a second side panel zone forming opposite sides of the inverted “V” shaped configuration joined along a central zone of the shingle, the central zone comprising an apex of an angle between the first and second side panel zones, the central zone further comprising a radius of curvature at the apex that varies along a length of the shingle from a first radius at a headlap edge of the shingle to a second radius at a leading exposed edge of the shingle, the second radius being larger than the first radius, with the first and second panel zones each terminating in free edges spaced apart from said central zone.