Patent ID: 8695301

Claim:
A roofing system comprising: a purlin; a support sheet laid on top of the purlin; a layer of insulation disposed on the support sheet; a plurality of spacer brackets, the spacer brackets being formed from a metal sheet defining a first portion having a lower edge adapted to part the layer of insulation to abut in direct contact with the purlin, the metal sheet being bent at opposed ends of the first portion to define integral tubular fastening guides, and an upper portion adapted to support a beam above the insulation layer and in spaced relationship to the purlin, wherein the upper portion is also integrally formed from the same metal sheet as the first portion, and wherein the tubular fastening guides define open upper ends adjacent the upper portion for receiving fasteners configured to fasten the spacer brackets to the purlin; wherein the plurality of spacer brackets are mounted on top of the purlin and support sheet with the lower edge of the brackets in contact with the support sheet wherein fasteners pass through the tubular fastening guides and fasten the spacer brackets to the purlin.