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Moving the air barrier application to the exterior of the building may provide a bit more ease in navigating intersecting surfaces and framing.

What is the main purpose of an exterior air barrier application?

• Ease of installation over longer and broader expanses
• Easier to make continuous (can see penetrations from outside)
• May cut down on wind-washing

Important Considerations for Exterior Air Barrier Installations:

• Must be protected from weather (wind and sun) after installation - cover with exterior cladding protective layer as soon as possible.
  
• Weather can make difficult installation - temperature, rain, wind, ice.
• Make plans to include scaffold or lift trucks if the building has upper storeys.