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.

Ottawa Valley Roofing has been using the E.P.D.M. roofing system since 1982 and stays up to date and in close relation with Lexcan, the manufacuter of the E.P.D.M. roofing system. 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).

Over 1 billion square feet of new roof coverings in the United States annually More than 500,000 warranted roof installations on 20 billion-plus square feet






EPDM has gained industry-wide acceptance and respect by providing immediate and long-term roofing solutions.

As environmentalists and code regulators place more emphasis on the sustainable performance of building materials, EPDM continues to be the roofing material that stands the test of time. Characteristics that contribute to EPDM's overall system performance include:

  1. Cyclical membrane fatigue resistance
  2. High resistance to ozone, weathering and abrasion
  3. Flexibility in low temperatures
  4. Thermal shock durability