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Approvals and Testing 

Color Black (top), Black (back)
Thickness 0.5581 mm (21.97 mil)
Membrane Weight 193.7 g/m2 ( 0.635 oz/ft2)
Roll Weight 33.2 lbs (15.1 kg)
Roll Dimensions 59" x 164' (1.5 m x 50 m)
Roll Coverage 807 ft2 (75 m2) gross
Skid 25 Rolls
Primer No Primer Required
VOCs None
Exposure Before Permenant Cladding 180 days
Minimum Application Temperature unlimited
Service Temperature minus 40°F (-40°C) - 183°F (84°C)
Warranty 20 year material warranty


Dry Tensile Strength
≥ 20 lbf/in
ASTM D828 Standard Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus MD - 171 N (38.6 lbf) [6.8 N/mm]
XMD - 104 N (23.3 lbf) [4.1 N/mm]
Dry Breaking Force (Grab method)
MD ≥40 XMD ≥35
ASTM D5034 Standard Test Method for Breaking Strength and Elongation of Textile Fabrics (Grab Test) MD – 445.3 N (100.1 lbf)
CD – 383.0 N (86.1 lbf)
Cold Mandrel Bend Test AC38 Section 3.3.4 Warp (Machine) Direction - No cracking
Filling (Cross) Direction - No cracking
Weathering Tests AC38 Section 4.1.2 UV Exposure
AC38 Section 4.1.3 Accelerated Aging
UV - No visual change
UV & Accelerated - visibly lighter, no visible deterioration
Water Vapor Transmittance
Water Vapor Transmission
Desiccant Method
ASTM E96 A 24.4 °C (76.0 °F) 50%RH Standard Test Methods for Water Vapor Transmission of Materials (dry method) Control 21 Perm (grain/h•ft2•inchHg)
1201 ng/Pa•s•m2
UV Heat 23 Perm (grain/h•ft2•inchHg)
1316 ng/Pa•s•m2
Water Vapor Transmission
Water Method
ASTM E96 B 24.4 °C (76.0 °F) 50%RH Standard Test Methods for Water Vapor Transmission of Materials (wet method) 66.9 Perm (grain/h•ft2•inchHg)
3828 ng/Pa•s•m2
Water Vapor Transmission
Dynamic Relative Humidity Measurement
ASTM E398 Standard Test Method for Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity Measurement 71.91 Perm (grain/h•ft2•inchHg)
4114 ng/Pa•s•m2
(23°C 50% RH)
Air Resistance Testing
Air Permeance ASTM E2178 @75 Pa Standard Test Method for Air Permeance of Building Materials

0.0004 L/s•m2 @ 75 Pa (0.0001 cfm/ft2 @ 1.57 psf)

Air Barrier ASTM E2357 Standard Test Method for Determining Air Leakage of Air Barrier Assemblies

<0.01 L/s•m2 @ 75 Pa (<0.01 cfm/ft2 @ 1.57 psf)

Air Barrier ASTM E283 Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

<0.01 L/s•m2 @ 75 Pa (<0.01 cfm/ft2 @ 1.57 psf)

Water Reistance Testing
Nail Sealability ASTM D1970/ section 7.9 Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection Pass - Review Fastener Penetrations Technical Bulletin
Water Resistance (Boat Test) ASTM D779 Standard Test Method for Water Resistance of Paper, Paperboard, and Other Sheet Materials by the Dry Indicator Method (Withdrawn 2011) Control - No leakage
Weathered - No Leakage
Water Resistance (Control after Weathering) AATCC 127 Hydrostatic pressure test (550 mm water column for 5 hours), American Association of Textile Chemists and Colorists Control - No leakage
Weathered - No Leakage
Static Water Penetration Test ASTM E331 Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference" Mockup tested at 15 psf for 15 minutes, No leaks
Fire Testing
Flame Spread
Smoke Developed
ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials Flame Spread 0
Smoke Developed 55
NFPA 285 Compliant ASTM E1354 Standard Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter View over 50 compliant assemblies with various manufacturers here or Contact VaproShield Technical Team, 1-866-731-7663 opt. 5

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