| Performance Property | Test Standard | Specimen Size | Test Procedure | Test Results | Performance Requirements |
|---|---|---|---|---|---|
| ASTM E 2178 |
Air Permeance of Materials | AR membrane sample 3.3 ft x 3.3ft (1m x 1m) |
Air Leakage measured @ 0.52, 1.04, 1.57, 2.09, 3.13, 6.27 psf (25,50,75,100, 150, & 300 Pa) Air Leakage re-measured at 2.09, 1.57 & 1.04 psf (100,75, & 50 Pa) to determine if psf/Pa affected Specimen |
(L/s/m2 @75Pa) |
Control Sample:1/2” gypsum board air leakage not exceeding 0.004 cfm/ft2 @ 1.57 psf (0.02 L/s/m2 @ 75 Pa) |
| Type 1: WRB/AR Type II:AR |
Standard Specification for Air Retarder (AR) Material or System for Low-Rise Framed Building Walls |
Wall Assembly: -8’x 8’wall (2438 X 2438 mm) -2 x 4 stud @ 16”o.c. (50 X 102 mm @ 406 mm) -Solid sheathing noted -Specimen sealed to vertical edges and if noted by mfg., to top & bottom edges -1 electrical receptor installed -Simulate lap siding by installing 1”x 1” (25 mm X 25 mm) wood strips horizontally, 9” (228 mm) vertically -Simulate brick veneer by installing brick ties 16” x 16” (406 mm X 406 mm) grid to field wall assembly |
Two Classifications: Type I, water resistant AR membrane for buildings made of materials affected by moisture Type II, AR membrane for buildings made of materials “not” affected by moisture |
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| ASTM E 283 |
Rate of Air Leakage | Determine Air Leakage Rate by maintaining for 1 minute a positive/negative pressure @ 1.57 psf or 75 Pa (25 mph) |
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| ASTM E 330 |
Membrane Structural Integrity |
Sustain 10.45 psf ot 500 Pa (65 mph) for 1 hour each direction, negative positive pressure testing |
Follow structural integrity E 330 testing with specimen retested with E 283 for 1 min. at each 1.04, 1.30, 1.57, 1.82 & 2.09 psf (50, 62, 75, 87 & 100 Pa) to verify air leakage performance |
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| ASTM E 331 |
Water Penetration of Assemblies | Water Resistance: 0.11 in. H2O @ 0.56 psf or 2.79 mm H2O @ 27 Pa (15 mph) for 15 min. |
Type I Water-Resistant Membrane | ||
| ASTM E 96 |
Water Vapor Permeance of Materials |
See ICC-ES Acceptance Criteria AC38 | Procedure A: Desiccant Method -Test chamber @ 73.4°F ± 2°F (23°C ± 2°C) & R/H @ 50 ± 2% |
AC 38 Acceptance Criteria for Water-Resistive Barriers: Procedure A, both control and aged specimens = 5 perms (35 g/ m2/24 hrs) |
| Performance Property | Test Standard | Specimen Size | Test Procedure | Test Results | Performance Requirements |
|---|---|---|---|---|---|
| Dry Tensile Strength Breaking Force |
- ASTM D 882 or D 5034 polymeric materials - ASTM D 828 paper-based materials 1,2 |
1in. (25 mm) x 10 in. (250 mm) | Grip both specimen ends (lengthwise), separate each direction at the rate of 1 in. ± .2 in./min (5.0mm ± 5 mm/min). | Test reports psi separation, MD/CD for both control and aged specimens | 20 psi minimum (138 kPa) MD/CD 40/35, D 5034 |
| Water Resistance | - ASTM D 779 “Boat Test” | Specimen Approximately 5 in. (127 mm) diameter | One side of test specimen in contact with water, while the dry side contains a dry indicator powder. Examine time for water to pass through specimen | Report water absorption in minutes | 10 minutes minimum, no water passage |
| Alternative Water Resistance | - AATCC-127 Hydrostatic Head Test 1,2 | Specimen 2 in. (50mm) diameter | Five specimens tested by raising a hydrostatic head to 22 in. (55mm) height for a period of 5 hours | Control and aged specimens tested for water penetration | 5 hr. minimum, no water passage. Alternative test to equal D 779, 60 min. requirement |
| Alternative Water Resistance | - CCMC 07102, section 6.4.5 “Water Ponding” 1,2 | Specimen 10 in (160 cm) | 1 in. (25 mm) tap water on surface of specimen @ 68°F (20◦C) room temperature and 65±3%R/H | 10 specimens, 2 hour test for water penetration | 2 hours, no water passage |
| Water Vapor Permeance | - ASTM E 96 Procedure A: Desiccant Method 1,2 | Specimen, either 3 in. to 4.5 in. (76 mm to 114 mm) circumference, or 10 in (160 cm) | Test chamber @ 73.4°F ±2°F (23± 2°C) & R/H @50±2% | Test results listed as:-weight gain per hour (g/hr) - water vapor transmission (g/.m/24hr) - Permeance (grains per hr. in. Hg.ft2 |
Minimum = 5 perms,(35 g/m/24 hr) No maximum value |
| Pliability | - AC 38 section 3.3.4 | 10 Specimen strips, 6 in. (150 mm) length by 1 in. (25 mm) width | Specimens conditioned at 32°F (0°C) for 1 hr. prior to testing. Strips bent over a 1/16 in. (1.6 mm) mandrel through a 180-degree angle. | Specimens to evidence no cracking |
No cracking |
Air Barrier Association of America
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