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Approvals and Testing
Tested in accordance with ICC-ES AC 38 criteria to meet IBC and IRC requirements for Weather Resistive Barriers.
| PROPERTY | STANDARD/TEST | RESULT |
|---|---|---|
| Roll Dimensions | 59" x 164' (1.5m x 50m) | |
| Membrane Thickness | .45 mm (18 mil) | |
| Basis Weight | 6.34 oz/yd2 (310 g/m2) - averaged | |
| Membrane Weight | 309.7 g/m2 (1.15 oz/ft2) | |
| Roll Weight | 54 lbs (24.5 kg) | |
| Minimum Application Temperature | None | |
| Service Temperature | -40° to 250°F (-40° to 121°C) | |
| 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 at VaproShield.com |
| 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Standard Test Method for Water Resistance of Paper, Paperboard, and Other Sheet Materials by the Dry Indicator Method (Withdrawn 2011) | Control - No leakage Weathered - No Leakage |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 | Control - No Leakage Weathered - No Leakage |
| Air Permeance of Building Materials | ASTM E2178 | PASS <0.0033 cfm/ft2 @ 1.57 psf (0.0017 L/s m2 @ 75 PA) |
| Water Vapor Transmission (WVT) | ASTM E398 (73.4°F 23°C 50%RH) Standard Test Method for Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity Measurement | 73.97 Perm (grain/h x ft2 x inchHg) 4232 ng/Pa x s x m2 |
| Water Vapor Transmission Desiccant Method, Procedure A, 24.4°C (76.0°F) 50 %RH | ASTM E96 (75°F 23.9°C 50%RH) Standard Test Methods for Water Vapor Transmission of Materials |
59.7 Perm (grain/h x ft2 x inchHg) |
| Water Vapor Transmission Water Method, Procedure B, 24.4°C (76.0°F) 50 %RH | ASTM E96 B (75°F 23.9°C 50%RH) Standard Test Methods for Water Vapor Transmission of Materials |
97.6 Perm (grain/h x ft2 x inchHg) |
| 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 |
| Dry Tensile Strength | ASTM D828 |
MD 6.83 N/mm (39 lb/inch) |
| Breaking Strength/Elongation | ASTM D5034 |
MD 560 N (126.0 lbf) |
| Cold Mandrel Bend Test | AC38 Section 3.3.4 |
Warp (Machine) Direction - No cracking |
| Flame Spread Smoke Developed |
ASTM E84 | Flame Spread 10 Smoke Developed 135 |
| NFPA 285 Compliant | Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Wall Assemblies Containing Combustible Components | View over 50 compliant assemblies with various manufacturers at VaproShield.com or Contact VaproShield Technical Team, 1-866-731-7663 opt. 5 |
