US 11,939,772 B2
Roofing insulation structure and roof insulation system
Joseph C. Cobb, Medina, OH (US); and Katina Cobb, Medina, OH (US)
Assigned to Roof Asset Management USA, Ltd., Brunswick, OH (US)
Appl. No. 17/286,705
Filed by Roof Asset Management USA, Ltd., Brunswick, OH (US)
PCT Filed Oct. 22, 2019, PCT No. PCT/US2019/057336
§ 371(c)(1), (2) Date Apr. 19, 2021,
PCT Pub. No. WO2020/086517, PCT Pub. Date Apr. 30, 2020.
Claims priority of provisional application 62/751,376, filed on Oct. 26, 2018.
Prior Publication US 2021/0372130 A1, Dec. 2, 2021
Int. Cl. E04D 13/17 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 21/06 (2006.01); B32B 29/00 (2006.01); B32B 29/02 (2006.01); E04B 1/80 (2006.01); E04D 11/02 (2006.01)
CPC E04D 13/172 (2013.01) [B32B 5/02 (2013.01); B32B 5/18 (2013.01); B32B 21/06 (2013.01); B32B 29/007 (2013.01); B32B 29/02 (2013.01); E04B 1/80 (2013.01); E04D 11/02 (2013.01); B32B 2262/067 (2013.01); B32B 2262/101 (2013.01); B32B 2266/0278 (2013.01); B32B 2266/06 (2013.01); B32B 2266/08 (2013.01); B32B 2307/304 (2013.01); B32B 2419/06 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A roofing insulation structure (100) comprising:
a first exterior surface (110) comprising a channeled profile (200) having a plurality of ventilation channels (210) located therein having a ratio of depth (220) to width (230) in a range of between 1.01:1 and 7:1; and
a second exterior surface (120) opposite the first exterior surface; and
wherein the roofing insulation structure is installed on a low-slope roof (10) of a building with the first exterior surface oriented to face an exterior (50) of the building and the second exterior surface oriented to face an interior (60) of the building, and
wherein the roofing insulation structure comprises a first layer corresponding to the first exterior surface, a second layer corresponding to the second exterior surface, and a third layer (130) located between the first layer and the second layer; wherein the first layer and the second layer each independently comprise a material selected from the group consisting of paper and cardboard; and wherein the third layer comprises an insulating material selected from the group consisting of foamed polyurethane, foamed polyisocyanurate, fiberglass, pearlite, wood, wood fiber, and combinations thereof.