EPDM Roofs


The EPDM (ethylene propylene diene monomer) rubber roofing membrane has been an appealing choice of the low-slope roofing industry for over 40 years, with more than 500,000 warranted roof installations on 20 billion-plus square feet. Annually, EPDM accounts for over 1 billion square feet of new roof coverings in the United States.


EPDM also has one of the roofing industry's longest average service life. Characteristics that contribute to this superior overall system performance include:

  • Cyclical membrane fatigue resistance
  • Proven hail resistance
  • High resistance to ozone, weathering and abrasion
  • Flexibility in low temperatures
  • Superior resistance to extreme heat and fire
  • Thermal shock durability
  • Ultraviolet radiation resistance
  • High wind resistance

What is EPDM?
EPDM is an elastomeric compound that is manufactured from ethylene, propylene, and a small amount of diene monomer. These ingredients are synthesized to produce a product that exhibits a high degree of ozone, ultraviolet, weathering and abrasion resistance, and outstanding low temperature flexibility. These ingredients also contribute to resistance to acids, alkalis, and oxygenated solvents (i.e., ketones, esters, and alcohols).

With fewer seams and wide widths, the JM EPDM system improves commercial roofing contractor efficiency during installation. EPDM offers a quick, clean, and inexpensive solution able to be installed in a wide range of temperatures making this a great solution for colder climate areas like the Twin Cities. Additionally, the EPDM roofing system provides excellent UV and weather resistance as well as sheet flexibility and high elongation. Systems can be installed fully adhered, mechanically fastened or ballasted.