Cracks Around Windows - Sealing [upd]

Cut the nozzle tip at a 45-degree angle to match the size of your gap (start small—you can always cut more). Load the caulk gun and squeeze a steady bead ahead of the tip, pushing it into the joint. Don't overdo it—a ¼-inch bead is plenty for most cracks.

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. sealing cracks around windows

You wouldn’t leave a window wide open in a blizzard. Yet, millions of homeowners do the equivalent every winter without realizing it. The culprit isn't a broken latch or a missing pane—it’s the hairline cracks, the invisible gaps, the tiny breaches where the frame meets the wall. Cut the nozzle tip at a 45-degree angle

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. Grab a tube of caulk