Patent ID: 7874121
Filing Date: 2011-01-25
Classification: B32B,E06B,Y10T

Abstract:
1. A weatherproofing system for use in construction of a building with a wall with a rough opening there through for receiving a window unit having a frame with a flange thereabout, an exterior surface of said wall being a substrate for a weatherproofing membrane and said flanged window unit, said weatherproofing system comprising, in combination: a rear seal having a foam web with two major surfaces, said foam web being self-setting with a predetermined recovery rate, said foam web selected from a group consisting of an open cell structure, a dosed cell structure, and a structure of open and closed cells, said rear seal disposed in said rough opening to compressively fill, upon emplacement of said flanged window thereon, the cavity between said flanged window unit and said rough opening precluding the entry of water, water vapor and air, said rear seal, in turn comprising: a front seal having two major surfaces, said front seal selected from a group consisting of a foam web, a polymeric tape, and a metal foil, said front seal, in turn comprising: a rear adhesive layer disposed on one of said two major surfaces of said front seal, said adhesive layer having sufficient tack to, upon pressure activation to durably adhere said front seal to said flange, to said rear seal and to said substrate; and, a front adhesive layer disposed on one of said two major surfaces of said front seal, said front adhesive layer being opposite said rear adhesive layer said front adhesive layer, upon pressure activation to durably adhere said front seal to said weatherproofing membrane.