Rubber Membrane

EPDM (short for ethylene propylene diene monomer) is a true rubber. The durable material resembles an inner tube, but it's engineered to resist damage from sunlight. EPDM can be mechanically anchored with fasteners, ballasted with stone, or glued.

Pros: Homeowner-friendly installation. The material's relatively light yet highly resistant to scuffs and tears. Leaks are easy to patch.

Cons: The standard black material absorbs heat, and light-colored coatings (recommended in warm climates) add 30% or more to the cost. Even the black version, though, costs more than BUR or modified bitumen. It's also more vulnerable to punctures than other choices. Seattle, Bothell, Bellevue, Olympia, Tukwilla, Issaquah, Puget Sound, Kent and other areas in Washington. Contact us today for an inspection.