EPDM

WHAT IS IT?

EPDM (Ethylene Propylene Diene Monomer) is a rubber material whose principal components consist of the compounds ethylene and propylene. A flexible rubber matrix forms when a small amount of diene is added to the mix. The standard color for this membrane is black; however, it is available as a special order in white depending on the manufacturer.

WHY USE EPDM ROOFING SYSTEMS?

The EPDM polymer enables the membrane to respond to stress and then recover its shape. This elasticity of the thermoset EPDM membrane gives it the proven durability through a wide range of temperatures and conditions that are present during the lifetime of the roof. EPDM is a lightweight single-ply membrane which is ideal for retrofit systems without adding excessive weight to the roof deck.

ballasted epdm

HOW LONG DO THEY LAST?

As with most roofs, EPDM rubber roofs have varying life spans that depend on numerous criteria. These include environment conditions such as what type of building, how much foot traffic the roof gets, how much water remains on the roof after a rain, and how long it takes the water to evaporate. Not to mention geographical location.

Roofs in mild climates will outlast roofs in harsher climates. Of course, one of the most important factors in a roof’s life expectancy is quality of product and workmanship. If the roof is not properly installed, then its lifespan will be shortened. EPDM systems have a performance history of over 20 years and can be warranted for up to 20 years depending on the system design.

FEATURES & BENEFITS

High tensile strength ideal for long-term watertight integrity
Highly flexible
High UV resistance
Excellent puncture resistance

WARRANTIES

Most manufacturers warrant their EPDM products when used in either a re-cover or new installation application for 10, 15 or 20 years. Upgraded No Dollar Limit Manufacturer Labor and Material Warranties are also available. A standard NDL Warranty term is 15 years; however, 20 and 30 year terms are available.