Patent ID: 7685785
Filing Date: 2010-03-30
Classification: E04D

Abstract:
1. A weather-resistant roof system for a building structure, said roof system comprising: a roof deck; a plurality of underlayment sheets applied in overlapping courses upon said roof deck; each of said underlayment sheets including an elongated flexible carrier having a top surface and a bottom surface, an adhesive section disposed generally continuously along the length of said bottom surface, and a nonadhesive section extending continuously along the length of said bottom surface juxtaposed alongside said adhesive section; at least one of said underlayment sheets laying with said adhesive section thereof in surface-to-surface contact with said top surface of an adjacent one of said underlayment sheets and said non-adhesive section thereof in surface-to-surface contact with said roof deck; a starter course disposed in surface-to-surface contact with said roof deck, said starter course having an upper surface and a lower surface, with said upper and lower surfaces being free of adhesives, such that said starter course does not adhesively adhere to said roof deck; at least one of said underlayment sheets laying with said adhesive section thereof in surface to surface contact with said upper surface of said starter course; and a plurality of shingles disposed on said top of said underlayment sheets for establishing a durable exposed facade.