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US 9,834,935 B2Granted
Granule coated waterproof roofing membrane
AssigneeOwens Corning Intellectual Capital, LLC
InventorsJames E. Loftus, Jay D. Wagner
Life of this patent
Estimating the term…
Abstract
A roofing membrane includes a membrane layer. An adhesive layer is adhered to a first side of the membrane layer and a layer of granules is adhered to the first adhesive layer.
Claims19
A granule coated waterproof roofing membrane comprising:
- a waterproof membrane layer formed substantially from at least one of:
- ketone ethylene ester (KEE) resin, polyvinyl chloride (PVC), ethylene propylene diene monomer rubber (EPDM), and thermoplastic polyolefin (TPO);
- a reinforcement layer heat bonded to the waterproof membrane layer;
- an adhesive layer adhered to a first side of the reinforcement layer;
- wherein the reinforcement layer has strands ends that extend into the adhesive layer to enhance the adhesion between the adhesive layer and the waterproof membrane;
- and
- a layer of ceramic coated roofing granules adhered to the first adhesive layer,
- wherein the strand ends that extend into the adhesive layer comprise air textured yarns that have been processed to introduce durable crimps, coils, or loops along a length of the yarn.
5 more elements
A granule coated waterproof roofing membrane comprising:
- a waterproof membrane layer formed substantially from at least one of:
- ketone ethylene ester (KEE) resin, polyvinyl chloride (PVC), ethylene propylene diene monomer rubber (EPDM), and thermoplastic polyolefin (TPO);
- a reinforcement layer heat bonded to the waterproof membrane layer;
- an adhesive layer adhered to a first side of the reinforcement layer;
- wherein the reinforcement layer has strands ends that extend into the adhesive layer to enhance the adhesion between the adhesive layer and the waterproof membrane;
- and
- a layer of ceramic coated roofing granules adhered to the first adhesive layer,
- wherein the strand ends that extend into the adhesive layer comprise air textured yarns that have been processed to introduce durable crimps or coils along a length of the yarn.
5 more elements
Dependencies are inferred from the claim text.