Existing Homes - Step 4: Ensure Draft Free
The following categories provide detailed information about air sealing, air barriers and testing to capture critical air sealing opportunities that will be lost after insulation in place. Consult these guides before moving to Step 5 in this tool.
Click on the links below for detailed information about each topic in this step:
- Air Sealing Plumbing and Piping
- Air Sealing Electrical Wiring
- Air Sealing Light Tubes
- Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces
- Air Sealing Drywall to Top Plate
- Air Sealing Doors Adjacent to Unconditioned Space
- Air Sealing Attached Garage
- Roof/Attic to Exterior Wall Air Control Upgrade
- Air Sealing Duct and Flue Shafts
- Air Sealing Bathroom and Kitchen Exhaust Fans
- Air Sealing Light Tubes
- Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces
- Air Sealing Drywall to Top Plate
- Roof/Attic to Exterior Wall Air Control Upgrade
- Insulating and Air Sealing Existing Non-ICAT Recessed Lights