3.1003.1 New Ceiling Below Original—Old Ceiling Intact or Repairable
Topic:
Attics
Subtopic:
Dropped Ceilings and Soffits
Desired Outcome:
Continuous
air barrier
Air barrier
The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary
prevents air leakage and moisture movement between the attic and conditioned space
Available In: