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US 12,553,242 B2Granted
Roofing membrane with protective film
AssigneeSika Technology AG
InventorsAlbert J. Duhamel, Brian J. Whelan
Life of this patent
Estimating the term…
Abstract
A roofing membrane composite includes a roofing membrane and a protective film removable affixed to a top major surface of the roofing membrane without an adhesive layer between the protective film and the roofing membrane, wherein the protective film includes at least one layer with at least one polyolefin. A method for producing a roofing membrane composite and a method for waterproofing a roof substrate.
Claims14
A roofing membrane composite comprising:
- a) a roofing membrane and
- b) a protective film removably affixed to a top major surface of the roofing membrane without an adhesive layer between the protective film and the roofing membrane,
- wherein the protective film comprises at least one layer, the at least one layer includes at least one polyolefin, and at least one of a long edge portion and at least one short edge portion of the roofing membrane is not covered with the protective film.
Dependencies are inferred from the claim text.