Flex 80 TPO - Manual (Page 2)

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Flex Membrane International Corp. 2670 Leiscz’s Bridge Road, Suite 400, Leesport, PA 19533
Tel: (610) 916-9500 Fax: (610) 916-9501 www.FlexRoofingSystems.com
Page 2
fastener in the seam method. Fastener spacing increments are determined by the projects specification
criteria and or printed guide specifications. For adhered systems, the membrane is laminated to the
appropriate substrate using Flex Bonding Adhesive. All seams are completed by the hot air welding method.
Contact the Flex Technical Service Department for the specific design requirements and installation
procedures for these two systems.
PHYSICAL PROPERTIES
Property
Test Procedure Specification
Color white, tan or gray
Roll Size 5’x100’, 10’x100’
Weight 10’x100’ roll = 420 lbs.
5’x100’ roll = 210 lbs.
Thickness ASTM D751 0.080”
Thickness over scrim ASTM D751 0.034”
Breaking Strength (lbf) ASTM D 751 360 x 340
Seam Strength (lbf) ASTM D751 140
Elongation (min%) ASTM D751 30%
Heat Aging ASTM D573 >90%
Tear Strength (lbf) ASTM D751 60 x 150
Cold Brittleness ASTM D2137 -40° C Pass
Dimensional Change ASTM D1204 0.4%
Water Absorption ASTM D471 0.7%
Ozone Resistance ASTM D1149 Pass
Weather Resistance ASTM G155 Pass
Permeance ASTM E96 0.01perms
Hydrostatic Resistance ASTM D751 >430 psi
Reflectivity (white) ASTM C1549 0.76
Emissivity (white) ASTM C1371 0.90
SRI (solar reflectance index) ASTM E1980 109
Flex 80 TPO Plus membranes meet or exceed the requirements of ASTM 6878 Standard Specification for
Thermoplastic Polyolefin (TPO) Based Sheet Roofing.
WARRANTY
The Flex 80 TPO Roofing Membrane may receive the manufacturers standard five (5) year or optional ten
(10) year, fifteen (15) year, twenty (20) year or twenty-five (25) year guarantee of watertightness.