Air Sealing Advice & Articles

Air infiltration, i.e. air leakiness, is measured by a blower door test. A fan is connect to an external door and inside air is blow outside, which will depressurize the house with respect to the outside environment by 50 Pascal’s (a Pascal is a unit of measure of pressure). This allows outside air to be sucked back into the house through all holes, cracks, voids, etc. allowing the energy auditor to precisely measure the air leakiness of your house.

Below are some excellent articles, websites, etc. with lots  of information on sealing air leaks in existing homes.

Retrofit Techniques & Technologies Air Sealing

Building America Best Practices: Air Sealing

Air Sealing Your Home

Attic Air Sealing Guide and Details

Read This before you Design, Build, or Renovate

BSC 104 Understanding Air Barriers