Best Air Sealing Products In The Market Today

By: Smart Zero Home
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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

Here are the best air sealing products available in the market today, based on our analysis, and feedback from customers and contractors:

Company Dupont Saint Gobain Dow 3M ReachBarrier
Rating 9.3 8.5 9.5 9.0 9.4
Price n/a $60 /roll $340 / 32 pound system pack $6.79 /10 yard roll $129.0 /100ft roll
Details Window sealant for caulking Smart Vapor Retarder (moisture control) & Air Barrier > CertainTeed MemBrain Froth-Pak Foam > Air Sealing & insulation Flashing Tape > Weather sealing tape for windows & doors Double Reflective Insulation Roll with Double Air > provides energy and noise insulation
Material Modified urethane acrylic window sealant 100 in. x 50 ft. Air Barrier with Smart Vapor Retarder Spray Foam Clear Flashing tape Radiant Barrier Roll
Product Link Click to get More Information & Buy Click to get More Information & Buy Click to get More Information & Buy Click to get More Information & Buy Click to get More Information & Buy

* Smart Zero Home overall rating based on customer and retailer feedback and our 5 parameter market analyses
** Price is the best price available online, and may include discounted/bargain prices that may not be available everywhere

 

The following video by DOW building solutions demonstrates the use of DOW's Froth-Pack spray foam for air sealing basement crawl space leaks:

 

Also see our post on Air Sealing 101, and our pick of the best spray foam insulation in the market.