Repair Double Pane Windows · Recommended

Look for plastic strips holding the glass in place. Pry these out carefully with a putty knife. Label which side is up.

Scrape out old butyl tape or silicone. The frame must be spotless.

Don’t Replace Them Yet! How to Repair Double Pane Windows (And Save $$$) repair double pane windows

You’ve seen it before: that ugly white fog sitting between the two panes of glass in your living room window. You wipe the inside, you wipe the outside, but the haze won't go away.

This is a temporary fix (lasting 1–5 years), but it costs about $20 vs. $300 for a full replacement. Look for plastic strips holding the glass in place

When double pane windows get cloudy or damaged, most homeowners assume it’s time for a total replacement. But here is the good news:

Most double hung windows have side tabs. Push them in and tilt the sash out. Lay it on a workbench. Scrape out old butyl tape or silicone

This requires precision, but it is the correct way to restore the window to like-new condition.