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ExoAir® 120 Fluid-Applied Air and Vapor Barrier Membrane is a monolithic, elastomeric membrane designed to seal exterior above-grade wall assemblies and mitigate air infiltration/exfiltration, vapor transmission and water penetration.
Features
  • ExoAir 120 is typically applied to exterior sheathing panels, concrete block, poured concrete or wood substrates as an air and vapor barrier material.
  • ExoAir 120 can be used with ExoAir 110, ExoAir 110AT, ExoAir 111 or Dymonic® 100 liquid flashing to detail into the rough opening.
  • EXOAIR 120 is a seamless, monolithic membrane that creates a fully adhered air and vapor 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 selfadhered membrane systems
  • EXOAIR 120 can be co-sprayed to accelerate the curing process when weather threatens washout, or to fast-track construction

Specifications

Type

  • Polymer-Modified Emulsion

Color

  • Black

Solids

  • 64%

Application

  • Sprayer/Roller

Thickness

  • 40 mils (Dry)
  • Minimum 60 mils (Wet)

Storage Temperature

  • 40° to 100° F (5° to 37° C)

Application Temperature

  • Above 40° F (5° C) and rising. If installing below 40° F (5° C), please refer to Cold Weather Air Barrier Installation Technical Bulletin

Service Temperature

  • Intermittent Exposure up to 158° F (70° C)

Maximum V.O.C. (Method 310)

  • 72 g/L

Crack Bridging (ASTM C1305)

  • Pass

Elongation (ASTM D412 Die C)

  • 1500%

Water Immersion (ASTM D870)

  • Pass

Adhesion (ASTM D4541)

  • Exterior Sheathing: 17 psi
  • Concrete: 20 psi

Water Vapor Permeance (ASTM E96 Dry Cup)

  • 0.028 US Perms

Water Vapor Permeance (ASTM E96 Wet Cup)

  • 0.032 US Perms

Water Penetration (ASTM E331)

  • Passed at 2.86 lb/ft² (137 Pa) for 15 mins

Air Leakage of Material (ASTM E2178, Free Film Method at 75 Pa)

  • 0.0001 cfm/ft² (0.0005 L/[sm²)

Air Leakage of Assembly (ASTM E2357)

  • 0.0257 cfm/ft² @ 1.57 psf (0.1307 L/[sm² @ 75 Pa)

Documentation

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