Seal Cracks Around Windows |top| -

Remove old, cracked caulk using a 5-in-1 tool or a stiff putty knife. Vacuum out dust and dirt. Wipe the area with rubbing alcohol—you need a pristine surface.

Sealing your windows isn't glamorous. No one will throw you a parade for a perfect bead of silicone. But your home will be warmer, quieter, and drier. And on a cold January morning, when you sit next to that window and feel nothing —no draft, no chill—you’ll know it was worth it. seal cracks around windows

Snip the caulk tube nozzle at a 45-degree angle. You want a bead the size of a pencil lead, not a garden hose. Poke the inner seal with the wire on the gun. Remove old, cracked caulk using a 5-in-1 tool