Plugging those air leaks can increase comfort, cut electricity bills and also address any moisture problems caused because of air leakage (see out post on Air Sealing 101).
Once you have identified the air leakage areas using a blower door test, you have the option to seal those leaks using a variety of materials and techniques. These include caulking with silicon sealants for smaller leaks, and using spray foam for larger leaks.
Air sealing options include caulking with silicon sealants for smaller leaks, and using spray foam for larger leaks
We have analyzed various air sealing options(using our copyrighted "5-parameter" rating system) and have had feedback from customers, retailers and contractors, to identify the best products available in the market today. Please use our proprietary platform 'Intelligent Designer' to get access to the identified top 5 products in the market that match the generated solution for your home.
The following video by DOW building solutions demonstrates the use of DOW's Froth-Pack spray foam for air sealing basement crawl space leaks: