PVC Membrane
The RWSI PVC membrane is a heat-weldable membrane produced with an integral fiberglass mat reinforcement for excellent dimensional stability, for use in a Sika Sarnafil Adhered System.
Our product is a high-quality, thermoplastic PVC membrane with a fiberglass reinforcement that has a unique lacquer coating applied to the top of the membrane to reduce dirt pick up.
USES
Metal roof of large factory warehouse and casino
Concrete deck roof of building, swimming pool (conceal) and green roof root resistant
FEATURES
Excellent dimensional stability
Meets LEED/Green Global Requirement for Cool Roofing
Lacquer coated to reduce dirt pick up
Hot-air welded seams for long-term performance
Proven membrane performance
10 to 20 years material warranty
INFORMATION
Sika Sarnafil Adhered Systems using Rwsi PVC membrane are classified by Underwriters Laboratories, Inc., Underwriters Laboratories of Canada, FM Global, Miami-Dade and Florida Building Code. Sika Sarnafil membranes also meet the material requirements of the International building code. For more information, please visit the “technical downloads” section of our website.
TECHNICAL DATA
Parameters:
ASM Test Method ASTM Type II D-4434 Spec. Requirement Typical Physical Properties
Reinforcing Material:
— — Fiberglass
Overall Thickness:
D638 0.045 (1.14) 60mil (1.50mm)
Thickness above scrim:
— — 30mil (0.75mm)
Felth Weight oz/yd2:
— — 9
Tensile Strength, min., psi
Machine Direction
Cross Direction:
D638 D638, 1500 1575, 1550
Elongation at Break, min.
Machine Direction
Cross Direction:
D638 250%, 220% 250%, 220%
Seam Strength, min., (% of tensile strength) :
D638 75 Pass
Retention of Properties After Heat Aging
Tensile Strength, min., (% of original)
Elongation, min., (% of original) :
D3045, 90, 90 D638, D638 Pass,Pass
Dynamic Puncture Resistance, 7.3 ft-lbf
(10 J) :
D5635 Pass Pass
Solar Reflectance
Initial Solar Reflectance
3-Year Reflectance:
E903 — 0.83, 0.70
Emissivity:
E408, C1371, Other — 0.83, 0.70
Solar Reflective Index (SRI) :
E1980 — 104