Unitary attic rafter vent and insulation dam assembly

Details Unitary attic rafter vent and insulation dam assembly Unitary attic rafter vent and insulation dam assembly

E - Fixed Constructions

04

D

E04D 13/17 (2006.01) E04D 13/152 (2006.01) F24F 7/02 (2006.01)

Patent

CA 2454507

A unitary vent chute and insulation dam body for providing ventilation to an open attic space in a building structure that has a pitched roof and preventing insulating material, particularly loose fill insulation, from blocking that ventilation. The body, formed from a flexible polyolefin foam, includes surface channels, internal conduits or both that promote air flow between a soffit vent and an attic vent in the building structure. The body is flexible enough to bend without breaking, yet stiff enough that one end of the body rests against a roof deck without closing off the surface channels or grooves when the other end is fastened near the top of the structure exterior wall. The body is bent and inserted between adjacent rafters either before or after the end is fastened to the structure exterior wall. Alternatively, the body may be bent partially back upon itself so that one end rests on a portion of the ceiling rather than extending over, and being fastened to, a portion of the top of the structure exterior wall.

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