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US 2023/0202142 A1Published application
Fire resistant non-breathable roofing underlayment
AssigneeBmic LLC
InventorsAdem Chich, Yunwa Wilson Cheung
Life of this patent
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Abstract
A multilayered roofing underlayment including: a) a first layer of nonwoven material; b) a second layer of lamination coating adjacent to said first layer; c) a third layer of aluminum foil adjacent to said second layer; d) a fourth layer of lamination coating adjacent to said third layer; e) a fifth layer of nonwoven material adjacent to said fourth layer; f) a sixth layer of backside coating adjacent to said fifth layer; and g) where a product weight of said roofing underlayment is from 90 to 270 grams per square meter.
Claims14
A multilayered roofing underlayment comprising:
- a) a first layer of nonwoven material;
- b) a second layer of lamination coating adjacent to said first layer;
- c) a third layer of aluminum foil adjacent to said second layer;
- d) a fourth layer of lamination coating adjacent to said third layer;
- e) a fifth layer of nonwoven material adjacent to said fourth layer;
- f) a sixth layer of backside coating adjacent to said fifth layer;
- and
- g) wherein a product weight of said roofing underlayment is from 90 to 270 grams per square meter.
5 more elements
Dependencies are inferred from the claim text.