HVAC PENETRATIONS
If you have ducts in the attic, use GREAT STUFF™ Gaps & Cracks Insulating Foam Sealant to seal around all HVAC boots where they penetrate the drywall into the living space below. In addition, seal where the flexible insulated HVAC ducts connect to the penetrating boot.
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Find places in your home to save money.
Learn where to look for air leaks and how to permanently seal them by downloading this helpful Air-Seal Audit Download checklist now
