Product: DEFENDAIR™ 200C Air and Weather Barrier Coating
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
0.0023 cfm/ft2 @ 1.57 psf
0.0011 L/(s • m2) @ 75 Pa
0.0002 cfm/ft2 @ 1.57 psf
@ 36 mils (wet)
@ 13 mils
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
402 ng/Pa·s·m2
1,660 ng/Pa·s·m2
7.028 US Perms
29.023 US Perms
@ 18 mils
@ 18 mils
Product: DefendAir 200
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)
0.00049 L/(s • m2) @ 75 Pa
0.000098 cfm /ft2 @ 1.57 psf
0.0049 L/(s • m2) @ 75 Pa
0.00098 cfm /ft2 @ 1.57 psf
@ 28 34 mils (dry)
@ 15 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
402.11 ng / Pa•s•m2
1387.7 ng / Pa•s•m2
7.03 US Perms
24.26 US Perms
@ 15 mils (dry)
@ 15 mils (dry)