Roofing Products International, Inc.
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Application Handbook

DATA SHEET
ROYAL EDGE EPDM MEMBRANE SPECIFICATIONS

Nominal Thickness Color Widths (ft.) Lengths (ft.)
.045
.060		 Black
White, Black FR		 7 1/2, 10, 20,
30, 40, 50		 25, 50, 100,
150, 200
All Royal Edge EPDM membranes meet and/or exceed ASTM's listed.
Property Test Method Specifications
Specific Gravity ASTM-D-297 1.15 +/- .05-
Shore A Duromete ASTM-D-2240 65 + 10
Elongation ASTM-D-412 300% minimum
Brittleness Temperature ASTM-D-746 -49°F (-45°C)
Tensile Strength ASTM-D-412 1305 psi minimum (9.0 MPa)
Tear Resistance ASTM-D-624 150 obs/in minimum (26.27 N/mm)
Factory Seam Strength Modified ASTM-D-816 Membrane Rupture
Heat Aging
28 Days @ 240°F		 ASTM-D-573 Tensile minimum
1205 psi (8.3 MPa)
Elongation minimum 200%
Ozone Resistance
7 days/100pphm@
100°F with 50% extension		 ASTM-D-1149 No Cracks
Water vapor permeability
max., perm mils		 ASTM-E-96 2.0
Tolerance
on Nominal thickness %		 ASTM-D-412 +/- 10
Water Resistance
change in weight after
immersion 7 days @
150°F, %		 ASTM-D471 +8, -2
NOTE 1: The above listed physical apply to the material when vulcanized, and to the best of our knowledge, hold true. Physical properties for uncured Royal Edge EPDM are available upon request.
NOTE 2: These are continuing test involving considerable time, and will not be included in material specifications.