Patent ID: 8850752

Claim:
A sealed attic insulation and under roof decking ventilation system, the system comprising: a receiver material having a flat uppermost face surface and a wavy lowermost face surface and sized to span at least one pair of adjacent rafters supporting a roof decking; and a polyurethane insulation material suitable for adhering to the wavy lowermost face surface of the receiver material; the combination of the receiver material and the polyurethane insulation material when installed in a building structure creating a plenum between the flat uppermost face surface of the receiver material and an inward facing surface of the roof decking, the plenum extending between a soffit vent and a roof vent and permitting exterior air to circulate under the roof decking but preventing the exterior air from entering an interior space of the building structure located below the lower surface of the receiver material, the combination of the receiver material and the polyurethane insulation material when installed also preventing the exterior air from contacting the polyurethane insulation material.