What Is EPDM? - EPDM Roofing Association

What is EPDM?

EPDM is an extremely durable synthetic rubber roofing membrane  (ethylene propylene diene terpolymer) widely used in low-slope buildings in the United States and worldwide. Its two primary ingredients, ethylene and propylene, are derived from oil and natural gas. EPDM is available in black, gray, and white and is sold a broad variety of widths, ranging from 7.5 feet to fifty feet, and in three thicknesses, 45, 60, and 90 mils. EPDM can be installed either fully adhered, mechanically attached or ballasted, with the seams of the roofing system sealed with liquid adhesives or specially formulated tape.

BALLASTED EPDM ROOFS

The EPDM (ethylene propylene diene terpolymer) single-ply rubber roofing membrane has been an appealing choice of the low-slope commercial roofing industry for over 40 years.

The number one roofing choice of architects, roof consultants and contractors for both new construction and replacement roofing projects according to market surveys from Building Design and Construction, and Roofing/Siding/Insulation magazines, and the National Roofing Contractors Association (NRCA).

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SYSTEM PERFORMANCE & SUSTAINABILITY

EPDM has gained industry-wide acceptance and respect by providing immediate and long-term roofing solutions. As more emphasis is placed on the sustainable performance of building materials, EPDM continues to be the roofing material that stands the test of time.

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About ERA

The EPDM Roofing Association (ERA) represents the manufacturers of EPDM single-ply roofing products and their leading suppliers. Through ERA, the EPDM roofing industry speaks with a focused voice to provide technical and research support, offer dependable roofing solutions and communicate the longstanding attributes, consistency and value of EPDM roofing materials.

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