Patent ID: 8302353
Filing Date: 2012-11-06
Classification: E04B,E06B

Abstract:
1. A window unit for insertion into a rough opening of a building comprising: a) a window frame surrounding one or more glass elements, the window frame having an interior side, an exterior side, a top face, two side faces, and a sill face, each face having b) a nailing flange on at least the top face and two side faces, the flange being positioned on the exterior portion of the face; and c) a barrier wall formed having a planar base portion attached to the window frame and a planar extension extending essentially perpendicularly away from the base portion, the base portion of the barrier wall being attached to the window frame on the middle portion of at least the top face and the two side faces, the barrier wall extending away from the top face and two side faces by at least 0.20 inches, wherein the planar base portion and the planar extension have a uniform thickness.