How To Reseal A Window Jun 2026

Once the bulk of the old material was gone, I used the wire brush to scrub away the grit and loose paint dust. The gap looked ugly now—a raw, open wound in the side of the house—but it was clean. I wiped the area down with a damp rag and let it dry. You cannot caulk over moisture; it traps the water inside, turning your window frame into a petri dish for dry rot.

Cut the tip of the caulk tube at a 45-degree angle. The smaller the hole, the more control you have over the bead size. how to reseal a window

I stepped back and admired the work. It didn't look like much—just a clean, white line between the glass and the wood. But the house felt different immediately. It felt tighter. Sounder. I ran my hand over the trim again. No bumps, no cracks, no drafts. Just a smooth line of defense against the coming winter. Once the bulk of the old material was

To reseal a window, you will need a few basic materials, including: You cannot caulk over moisture; it traps the

Take a golf-ball-sized amount of glazing putty and roll it between your hands into a long "rope."

If air is leaking from between the window trim and the wall, or where the frame meets the exterior siding, caulking is the solution.