Method of manufacture and use of a multi-function wrap

摘要

A method of manufacturing and using a window assembly and a door assembly including a wrap useful as a structural element to prevent racking and jamb bowing of the window assembly and the door assembly during transport and installation and, after installation, as an integral vapor barrier and air infiltration seal. The window and door assembly including a frame having an outward edge defining an outer face therebetween and an inward edge defining an inner face therebetween. The wrap including a film of material having an outer marginal edge secured between the frame outward edge and frame inward edge and stretched taut across a face of the frame to maintain the frame in an unracked position.