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ExoAir 220
Brand: Tremco IncorporatedExoAir® 220 Fluid-Applied Permeable Air Barrier Membrane is a monolithic, elastomeric membrane designed to be rolled or sprayed onto exterior above-grade wall assemblies to mitigate air infiltration/exfiltration and water penetration while remaining permeable to the passage of water vapor.
Features- ExoAir 220 is typically applied to exterior sheathing panels, concrete block, poured concrete or wood substrates as an air and vapor barrier material.
- ExoAir 220 can be used with ExoAir 110, ExoAir 110AT or Dymonic® 100 liquid flashing to detail into the rough opening.
- EXOAIR 220 is a seamless, monolithic membrane that creates a fully adhered air barrier when properly installed
- The ability to roller or spray apply the material affords the contractor the ability to accelerate installation times compared to traditional self-adhered membrane systems.
- The high-performance properties of the EXOAIR 220 membrane retard the migration of air and bulk water but allow water vapor to pass through the membrane. As a result, vapor permeable systems like EXOAIR 220 allow for more flexibility in the placement of the air barrier membrane in the wall design.
Specifications
Brand
Type
- Polymer-Modified Emulsion
Color
- Black
Solids
- 60%
Density
- 8.7 lb/gal
Application
- Spray/Roller
Thickness
- 36 mils (Dry to represent actual dry film thickness)
- Minimum 60 mils (Wet)
Storage Temperature
- 40° to 100° F (5° to 37° C)
Cure Time
- 16 to 24 hr at 75° F (24° C), 50 % Relative Humidity
Application Temperature
- If installing below 40° F (5° C), refer to Cold Weather Air Barrier Installation Technical Bulletin
- Above 40° F (5° C) and rising
Service Temperature
- Intermittent Exposure up to 158° F (70° C)
Maximum V.O.C. (Method 310)
- 2 g/L
Crack Bridging (ASTM C1305)
- Pass
Elongation (ASTM D412 Die C)
- 900%
Tensile Strength (ASTM D412 Die C)
- 325 psi
Adhesion (ASTM D4541)
- Exterior Sheathing: 19 psi
- Concrete: 28 psi
Water Penetration (ASTM E331)
- Passed at 12 lb/ft² (575Pa)
Air Leakage of Material (ASTM E2178, Free Film Method at 75 Pa)
- 0.0001 cfm/ft² (0.0006 L/(s•m²))
Air Leakage of Assembly (ASTM E2357)
- 0.002 cfm/ft² @ 1.56 lb/ft² (0.012 L/ (s•m²) @ (75 Pa))
Water Vapor Transmission (ASTM E96 Wet Cup)
- 13 US Perms