Evaluated Materials


Georgia-Pacific
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Fluid Applied Membranes
Product: DensDefy™ Liquid Barrier
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
0.009 L/(s • m2) @ 75 Pa
0.000546 cfm /ft2 @ 1.57 psf
0.0007 L/(s • m2) @ 75 Pa
0.00014 cfm /ft2 @ 1.57 psf
Material Thickness
@ 15 mils (wet)
@ 18 mils (wet)
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
547 ng / Pa•s•m2
797 ng / Pa•s•m2
Imperial
9.6 US Perms
13.9 US Perms
Material Thickness
@ 15 mils (dry)
@ 15 mils (dry)
Factory-Bonded Membranes to Sheathing
Product: DensElement Barrier System
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
0.0802 L/(s • m2) @ 75 Pa
0.01604 cfm /ft2 @ 1.57 psf
0.00510 L/(s • m2) @ 75 Pa
0.00086 cfm /ft2 @ 1.57 psf
Material Thickness
@ 5/8" board
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
1,459 ng / Pa•s•m2
1,850 ng / Pa•s•m2
Imperial
25.5 US Perms
32.327 US Perms
Material Thickness
@ 5/8" board
@ 5/8" board