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Self Adhered Sheet Membranes
Product: Perm-A-Barrier® Wall Membrane
Air Barrier Testing Results
Air Barrier Assembly
Material Air Permenance
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
< 0.004 L/(s • m2) @ 75 Pa
< 0.0008 cfm /ft2 @ 1.57 psf
0.001 L/(s • m2) @ 75 Pa
0.0002 cfm /ft2 @ 1.57 psf
Water Vapor Transmittence Testing Results
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
2.58 ng / Pa•s•m2
3.06 ng / Pa•s•m2
0.05 US Perms
0.05 US Perms
Fluid Applied Membranes
Product: PERM-A-BARRIER® VPL and VPL/LT
Air Barrier Testing Results
Air Barrier Assembly
Material Air Permenance
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
0.009 L/(s • m2) @ 75 Pa
0.0007 cfm /ft2 @ 1.57 psf
0.0003 L/(s • m2) @ 75 Pa
0.0001 cfm /ft2 @ 1.57 psf
@ 25 mils (dry)
@ 25 mils (dry)
Water Vapor Transmittence Testing Results
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
69 ng / Pa•s•m2
1168 ng / Pa•s•m2
1.2 US Perms
20.4 US Perms
@ 23 mils (dry)
@ 25 mils (dry)
Product: PERM-A-BARRIER® VPL 50RS UV Stable
Air Barrier Testing Results
Air Barrier Assembly
Material Air Permenance
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
0.0782 L/(s • m2) @ 75 Pa
0.01564 cfm /ft2 @ 1.57 psf
0.0008 L/(s • m2) @ 75 Pa
0.0002 cfm /ft2 @ 1.57 psf
@ 20 mils (dry)
@ 23 mils (dry)
Water Vapor Transmittence Testing Results
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
635 ng / Pa•s•m2
964 ng / Pa•s•m2
11.1 US Perms
16.9 US Perms
@ 25 mils (wet)
@ 25 mils (wet)
Product: PERM-A-BARRIER® NPL 10
Air Barrier Testing Results
Air Barrier Assembly
Material Air Permenance
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
0.0102 L/(s • m2) @ 75 Pa
0.00204 cfm /ft2 @ 1.57 psf
0.0002 L/(s • m2) @ 75 Pa
0.00004 cfm /ft2 @ 1.57 psf
@ 70 mils (wet)
@ 43 mils (dry)
Water Vapor Transmittence Testing Results
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
6.4 ng / Pa•s•m2
26 ng / Pa•s•m2
0.11 US Perms
0.461 US Perms
@ 40 mils (dry)
@ 40 mils (dry)
Adhesive Backed Commercial Building Wrap
Product: PERM-A-BARRIER® VPS 30
Air Barrier Testing Results
Air Barrier Assembly
Material Air Permenance
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
<0.2 L/(s • m2) @ 75 Pa
0.04 cfm /ft2 @ 1.57 psf
<0.02 L/(s • m2) @ 75 Pa
0.004 cfm /ft2 @ 1.57 psf
Water Vapor Transmittence Testing Results
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
480 ng / Pa•s•m2
519 ng / Pa•s•m2
8.4 US Perms
8.46 US Perms
Product: PERM-A-BARRIER® NPS Wall Membrane
Air Barrier Testing Results
Air Barrier Assembly
Material Air Permenance
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
0.0117 L/(s • m2) @ 75 Pa
0.00234 cfm /ft2 @ 1.57 psf
0.0002 L/(s • m2) @ 75 Pa
0.00004 cfm /ft2 @ 1.57 psf
Water Vapor Transmittence Testing Results
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
0.4 ng / Pa•s•m2
0.5 ng / Pa•s•m2
0.007 US Perms
0.008 US Perms