Evaluated Materials


W.R. Meadows, Inc.
Skip to your Product Type
Self Adhered Sheet Membranes
Product: Air Shield
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
0.0013 L/(s • m2) @ 75 Pa
0.00026 cfm /ft2 @ 1.57 psf
0.0015 L/(s • m2) @ 75 Pa
0.0003 cfm /ft2 @ 1.57 psf
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
1.01 ng / Pa•s•m2
2.697 ng / Pa•s•m2
Imperial
0.018 US Perms
0.047 US Perms
Fluid Applied Membranes
Product: Air-Shield LSR
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
0.00085 L/(s • m2) @ 75 Pa
0.00017 cfm /ft2 @ 1.57 psf
0.00094 L/(s • m2) @ 75 Pa
0.00019 cfm /ft2 @ 1.57 psf
Material Thickness
@ 71 mils (dry)
@ 69 mils (dry)
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
9.09 ng/Pa s m2
63.72 ng/ Pa•s•m2
Imperial
0.159 US Perms
1.144 US Perms
Material Thickness
@ 32 mils (dry)
@ 34 mils (dry)
Product: Air-Shield LMP
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
0.0038 L/(s • m2) @ 75 Pa
0.0008 cfm /ft2 @ 1.57 psf
0.0042 L/(s • m2) @ 75 Pa
0.0008 cfm /ft2 @ 1.57 psf
Material Thickness
@ 60 mils (wet) 30 mils (dry)
@ 30 mils (dry)
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
17.84 ng / Pa•s•m2
720.14 ng / Pa•s•m2
Imperial
0.312 US Perms
12.59 US Perms
Material Thickness
@ 43.4 mils (dry)
@ 40.5 mils (dry)
Product: Air-Shield LM
Air Barrier Testing Results
Property
Air Barrier Assembly
Material Air Permenance
Test Methods
Air Leakage Rate of Wall Assembly (ASTM E2357)
Air Leakage Rate of Material (ASTM E2178)
Results
0.0032 L/(s • m2) @ 75 Pa
0.00064 cfm /ft2 @ 1.57 psf
0.003 L/(s • m2) @ 75 Pa
0.0006 cfm /ft2 @ 1.57 psf
Material Thickness
@ 45 mils
@ 45 mils
Water Vapor Transmittence Testing Results
Property
Water Vapor Permeance (ASTM E96 – desiccant method)
Water Vapor Permeance (ASTM E96 – water method)
Test Methods
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials
Metric
8.25 ng / Pa•s•m2
8.64 ng / Pa•s•m2
Imperial
0.144 US Perms
0.227 US Perms
Material Thickness
@ 45 mils (dry)
@ 45 mils (dry)