Typical Air Sealing Locations in Accessible Attic Ceiling Spaces

1. Recessed Pot/Can Light
2. Attic Hatch
3. Bathroom Fan and Duct
4. Kitchen Range, Dryer, or Other Exhaust Duct
5. Fireplace or Other Combustion Appliance Vent
6. Wall Top Plate and Plumbing/Electrical Penetrations
7. Large Openings, Shafts, or Drop Ceilings
8. Attic Knee Walls
9. Ceiling Perimeter and Gable End Walls
10. Masonry Chimney