How to air-seal your home

Materials checklist

  • Incense (to help identify air leaks)
  • Silicone, acrylic latex caulk and/or low expanding foam for air sealing
  • Cans of expanding spray foam insulation

Download our printable flier.

Top 10 trouble spots for air leaks

  1. Exterior door frames
  2. Window frames
  3. Outlets and switches
  4. Attic entrance
  5. All ducts
  6. Plumbing, fuel, or electrical penetrations throughout the home
  7. Sill plates
  8. Outdoor water faucets
  9. Recessed lights
  10. Cracks and seams in the ceiling