Skid-resistant roofing underlayment

Details Skid-resistant roofing underlayment Skid-resistant roofing underlayment

E - Fixed Constructions

04

D

E04D 5/12 (2006.01) E04D 3/02 (2006.01) E04D 3/18 (2006.01) E04D 3/32 (2006.01) E04D 12/00 (2006.01)

Patent

CA 2186090

An exemplary skid-resistant roofing underlayment comprises a pressure-- sensitive membrane attached to a carrier support sheet comprising at least two different plastic films, the carrier sheet being corrugated with ridges in the machine direction to provide skid resistance when the underlayment is installed on a sloped roof. Especially preferred are corrugated, cross-laminated composites having a polypropylene or high density polyethylene layer co-extruded with a linear low density polyethylene layer. An exemplary method for making the roofing underlayment comprises corrugating at least two different plastic film layers to provide a carrier support sheet for a waterproofing membrane adhesive layer.

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