isanova

Air Sealing Your Home | Department of Energy - Energy.gov

Heat & Cool ... Seal leaks with low-expansion spray foam made for this purpose and install ... door bottoms and thresholds with ones that have pliable sealing gaskets. ... cooling can cause the metal to warp or break, creating a channel for air loss. ... a plastic trash bag with fiberglass batt scraps and jamming it into the flue.