Flex MF/R 45 PLUS Elvaloy KEE - 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
PHYSICAL PROPERTIES
Property
Test Procedure Specification
Color White, Gray or Tan
Thickness ASTM D751 .045”
Breaking Strength (lbf) ASTM D751 298 x 278
Seam Strength (lbf) ASTM D751 286
Tear Strength (lbf) ASTM D751 89 x 109
Elongation ASTM D751 35% x 34%
Heat Aging ASTM D3045 > 90 %
Static Puncture Resistance ASTM D5602 PASS
Dynamic Puncture Resistance ASTM D5635 PASS
Low Temperature Bend ASTM D2136 PASS (-40ºF)
Permeance ASTM E96 .003 Perms
Dimensional Stability ASTM D1204 0.3%
Wt. Change after Water Immersion ASTM D570 1.20%
Accelerated Weathering ASTM G155 Pass
Fungi Resistance ASTM G21 Pass
Solar Reflectivity ASTM C1549 .82 (white)
Emissivity ASTM C1371 .91 (white)
SRI ASTM E1980 109 (white)
Flex Elvaloy® based membranes meet the requirements of ASTM D4434 standard specification for
poly (vinyl chloride) based sheet roofing.
WARRANTY
The Flex MF/R 45 Plus Elvaloy® Roofing Membrane may receive the manufacturer's standard
five (5) year or optional ten (10) year or fifteen (15) year guarantee of watertightness.
Elvaloy® is a registered trademark of Dupont.