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US 2020/0399901 A1Published application
Insulation board with improved performance
AssigneeCarlisle Construction Materials, LLC
InventorsMatthew LEATHERMAN, Xuan Zhang, Cody Turnow
Life of this patent
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Abstract
An insulation board assembly, having: a foam insulation board; a top facer attached onto a top side of the foam insulation board, the top facer being made of woven material; and a bottom facer attached onto a bottom side of the foam insulation board, the bottom facer being made of woven material. The top and bottom woven facers may have upper and lower coatings and non-woven layers on either side and woven and non-woven layers may be held together with a tie layer.
Claims19
A method of forming an insulation board assembly, comprising:
- (a) providing a first roll of facer material, the first roll of facer material being woven and having a tensile strength greater than 80 lbf/3 inch in both a machine direction and a cross direction and a weight of 20 to 200 gsm;
- (b) providing a second roll of facer material, the second roll of facer material being woven and having a tensile strength greater than 80 lbf/3 inch in both a machine direction and a cross direction and a weight of 20 to 200 gsm;
- and
- (c) applying foam between the first and second rolls of facer material to form an insulation board assembly that when adhered or mechanically fastened onto a roof assembly permits the roof assembly to meet the Very Severe Hail rating of FM 4470 (Class 1).
1 more element
Dependencies are inferred from the claim text.