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RubberGard EPDM

Roofing Membrane

Store away from sources of punctures and physical damage. Store away from ignition
sources and open flame.


The Firestone RubberGard EPDM membrane is a 100% cured roofing membrane made of a synthetic rubber Ethylene-Propylene-Diene Terpolymer. The sheet is made of two plies of
standard compound.

Roofing structure needs to be stable enough to support the temporary loading. Substrates need to be clean, smooth, dry and free of sharp edges, loose or foreign materials, oil, grease and
other materials that may damage the membrane. All surface voids greater than 5 mm wide shall be properly filled with an acceptable fill material.

Allow the membrane to relax for approximately 30 minutes before splicing or final securement. Install the RubberGard EPDM membrane in accordance with the installation instructions and details.

The dimensions of the membrane are calculated to cover the substrate, including seam overlaps (100 mm for standard seams – 200 mm for seams with batten in the seam) and upstands.
Provide an additional length (150 mm) at upstands for easy manipulation.

Physical Excellent resistance to U.V. and ozone. Temperature stable from -45ºC to 130ºC. Retains its elasticity at low temperature and resistant to temperature shocks up to 250ºC.
Excellent resistance to alkali rains, less resistant to oil products. Contact with mineral and vegetable oils, petroleum based products, hot bitumen and grease must be avoided.

Test Method Declared value
Thickness EN 1849-2 1.1 mm/1.5 mm
Watertightness EN 1928 (B) pass
Tensile strength (L/T) EN 12311-2 (B) ≥ 8 N/mm²
Elongation (L/T) EN 12311-2 (B) ≥ 300%
Resistance to static load - soft substrate EN 12730 (A) ≥ 25 kg
Resistance to static load - hard substrate EN 12730 (B) ≥ 25 kg
Resistance to impact - soft substrate EN 12691 (B) ≥ 1700 mm
Resistance to impact - hard substrate EN 12691 (A) ≥ 200 mm
Tear resistance (L/T) EN 12310-2 ≥ 40 N
Joint peel resistance EN 12316-2 ≥ 50 N/50mm
Joint shear resistance EN 12317-2 ≥ 200 N/50mm
Durability - UV exposure EN 1297 pass
Foldability at low temperature EN 495-5 ≤ -45°C
Dimensional stability EN 1107-2 ≤ 0.5%
Resistance to root penetration EN 13948 pass
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