Vapor Retarder, Air Barrier Contributes to Thermal and Waterproofing Performance

Duro-Last Inc. has added to its Duro-Guard product line with Duro-Guard SOPRAVAP'R, a vapor retarder and air barrier membrane.

Duro-Last Inc. has added to its Duro-Guard product line with Duro-Guard SOPRAVAP’R, a vapor retarder and air barrier membrane.

Duro-Last Inc. has added to its Duro-Guard product line with Duro-Guard SOPRAVAP’R, a vapor retarder and air barrier membrane. This product is composed of a self-adhesive SBS modified bitumen with a polyethylene facer on the top surface and a silicone release film on bottom. Duro-Guard SOPRAVAP’R addresses the movement of air in roof assemblies as required in the 2012 International Energy Code.

When correctly engineered into a roof assembly, it will contribute to long-lasting thermal and waterproofing performance in all climate zones for all colors including white membranes provided by Duro-Last. Duro-Guard SOPRAVAP’R can also be used as a temporary roof in new construction or roof tear offs. Duro-Guard SOPRAVAP’R can be installed on steel, plywood, gypsum, concrete board, asphalt panel or concrete deck. The addition of the Duro-Guard SOPRAVAP’R provides Duro-Last customers with another Edge-to-Edge & Deck-to-Sky solution.

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