Residential and Light Industrial air infiltration and air duct testing

A large amount of CFM loss can be eliminated by caulking and foil taping duct boots around drywall and flooring.  Caulking should only be used for penetrations of an 1/4" or less.  Taping looks best if it's attached to the sub-floor or trimmed to fit under registers.

Want to reduce your Duct Leakage numbers?

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