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Materials & Specificationsaka: roofing membraneaka: waterproof membraneaka: air barrier

Membrane

In Plain English

A thin flexible sheet used to waterproof roofs, walls, or foundations.

Definition

A membrane in construction is a thin, flexible material used to provide waterproofing, air barriers, or vapor barriers in roofing, walls, and below-grade assemblies. Roofing membranes include TPO, EPDM, and modified bitumen. Below-grade membranes protect foundations from groundwater infiltration.

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