ExoAir DualFlash® – Gun & Roller-Grade Liquid-Applied Flashing

Application Instruction  TDS

Seal with confidence. Build with speed.
ExoAir DualFlash® is a high-performance, liquid-applied flashing membrane designed for use in rough openings and critical transitions. Whether you're sealing around windows, doors, or complex corners, this versatile product works seamlessly with ExoAir membranes to create a durable, weather-resistant barrier.

Key Features

• ✅ Fast Curing – Skins and cures quickly to keep your project on schedule.
• ✅ Flexible Application – Available in both gun and roller-grade formats for easy use on-site.
• ✅ Cold Weather Ready – Apply in temperatures as low as 20°F (-7°C).
• ✅ UV-Stable & Seamless – Creates a monolithic, long-lasting flashing layer when properly installed.

Ideal For

• Window, door, and louver openings
• Board joints and fastener treatments
• Inside/outside corners and complex transitions
• Roof tie-ins and façade connections

Coverage

• 20 oz sausage: covers approx. 12.7 sq. ft.
• 1 U.S. gallon: covers approx. 80 sq. ft.
  Coverage may vary based on surface and application thickness.

Packaging & Color

• Available in Charcoal
• Choose from:
  • 20 oz (600 ml) sausages
  • 2-gallon pails
  • 5-gallon pails

Storage Guidelines

Store in original packaging in a clean, dry area between 40°F and 100°F (5°C to 37°C).

Important Notes

• Not for use on damp, contaminated, or frost-covered surfaces
• Not intended for permanent UV exposure (limit: 12 months)
• Not compatible with ExoAir 120, 220, 110, or Enviro-Dri
• Avoid direct application to fireproofing materials