RubberGard EPDM Membrane

Firestone RubberGard®: the EPDM reference

The main component of the Firestone EPDM Roofing System is RubberGard EPDM. This 100 % cured single-ply roofing membrane is made of synthetic rubber ethylene-propylene-diene terpolymer mixed with carbon black, clay, oils, curing agents and processing aids. It is calendered into large sheets and vulcanized. Due to its composition and characteristics, Firestone RubberGard EPDM is the ideal, highly durable waterproofing solution for low-slope commercial and industrial roofs. Its success can therefore be attributed to a unique combination of features and benefits, which have been demonstrated in more than m² of installed membrane on roofs worldwide.

Key features & benefits

  • Superior durability and longevity
    Due to its composition, Firestone RubberGard EPDM membranes offer unmatched resistance to ozone, UV radiation and extreme temperatures. As the membrane does not contain any plasticizers or flame retardants, its characteristics remain stable and unchanged over time. Studies show a life expectancy of more than 50 years.
  • Quick and easy installation
    Firestone RubberGard EPDM is available in large seamless sheets up to 15.25 m wide and 61 m long (930 m²), resulting in fewer field seams for large surfaces and short installation times. Additionally, Firestone's QuickSeam Tape technology provides a proven field seaming solution without requiring special tools.
  • High flexibility and elongation
    Firestone RubberGard EPDM remains highly flexible even at temperatures down to -45°C, enabling year round installation. The membrane can also elongate over 300% to accommodate building movements and temperature fluctuations.
  • Low-life cycle costs
    Firestone RubberGard requires little or no maintenance. If needed, RubberGard EPDM membranes can be easily repaired using the Firestone QuickSeam Tape products, even after decades of service. This feature, combined with the inherent durability and competitive installed cost of RubberGard EPDM roofing systems, result in a very low life-cycle costs.
  • Sustainable roofing solution
    Firestone RubberGard EPDM is an inert material with limited environmental impact during manufacturing and use. No toxic substances are released during and after installation of the membrane, allowing collection and use of run-off rainwater for domestic use. Firestone RubberGard EPDM can also be recycled and re-used in e.g. walkway pads. In addition, Firestone's EPDM manufacturing facilities have received ISO 14001 certification, a testimony of the company's commitment to environmental management.
  • Compatible with extensive green roof & photovoltaic installations
    Having successfully passed the FLL test for resistance to root penetration on extensive green roofs, Firestone RubberGard EPDM is an ideal membrane for combination with extensive green roofing systems, using lightweight and low maintenance sedum vegetation. The Firestone RubberGard EDPM membrane can easily be combined with any type of PV installation due to its high temperature resistance, wear and tear resistance and unmatched life expectancy.

For more information on sustainability of the RubberGard EPDM Roofing Systems, download our EPDM Sustainability brochure.

Firestone RubberGard EPDM Product line

Firestone RubberGard EPDM membranes are available in large, seamless sheets up to 15.25 m in width and 61 m in length. Next to the LSFR (Low Slope Fire Retardant) RubberGard EPDM membrane, a FR (Fire Retardant) EPDM membrane is available for specific requirements regarding fire performance. In function of specific code requirements, a reinforced membrane (MAX or MAX FR) is also available. All membranes are available in 2 thicknesses: 1.1 mm and 1.5 mm.

Non-reinforced RubberGard EPDM membrane
Membrane Thickness  Width [m] Length [m] Weight [kg/m²]
(Low Slope Fire Retardant)
.045" / 1.1 mm 3.05 - 5.08 - 6.10 - 7.62 - 9.15 - 12.20 - 15.25 30.50 - 61 1.30 - 1.55
.060" / 1.5 mm 2.75 - 3.05 - 5.08 - 6.10 - 7.62 - 9.15 - 12.20 - 15.25 30.50 1.80 - 2.10
(Fire Retardant)
.045" / 1.1 mm 3.05 - 4.05 - 6.10 - 9.15 15.25 - 30.50 - 61 1.40 - 1.65
.060" / 1.5 mm 3.05 - 6.10 30.50 1.90 - 2.20
Reinforced RubberGard EPDM membrane
Membrane Thickness Width [m] Length [m] Weight [kg/m²]
MAX .045" / 1.1 mm 3.05 30.50 1.35 - 1.60
.060" / 1.5 mm 3.05 30.50 1.80 - 2.10
MAX FR .045" / 1.1 mm 3.05 30.50 1.50 - 1.75
.060" / 1.5 mm 3.05 30.50 2.05 - 2.35

For more details (physical and fire properties) on the above mentioned RubberGard EPDM membranes, click on the respective membrane in the table.