This is where the wooden window casing meets your drywall. Over time, house settling and seasonal humidity changes cause these joints to open up. These cracks don’t leak wind , but they leak conditioned air —warm air in winter, cool air in summer—through the wall cavity.
This is where 90% of DIYers fail. You cannot apply new caulk over old, dirty caulk. Use a 5-in-1 tool or flathead screwdriver to scrape out the old, brittle seal. Then wipe the gap with rubbing alcohol. The surface must be clean, dry, and dust-free. Caulk is glue—and glue hates dirt. sealing cracks around windows
Grab a tube of caulk. Your wallet—and your toes—will thank you. Need a visual guide? Most hardware stores offer free printed pamphlets, or search "caulking a window bead" on YouTube for slow-motion technique videos. This is where the wooden window casing meets your drywall
According to the U.S. Department of Energy, air leaks around windows and doors account for . That draft you feel isn't just a nuisance; it’s money evaporating into thin air. This is where 90% of DIYers fail
