Repair Double Pane Windows Fixed -

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. repair double pane windows

You need three numbers: Width, Height, and Thickness (to the 1/16th of an inch). Order a replacement insulated glass unit (IGU) from a local glass shop. Bring them the old unit if possible. Look for plastic strips holding the glass in place

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

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

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

This is a temporary fix (lasting 1–5 years), but it costs about $20 vs. $300 for a full replacement.