Repair Double Pane Windows May 2026

Most double hung windows have side tabs. Push them in and tilt the sash out. Lay it on a workbench.

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. repair double pane windows

Look for plastic strips holding the glass in place. Pry these out carefully with a putty knife. Label which side is up. Most double hung windows have side tabs

This is a temporary fix (lasting 1–5 years), but it costs about $20 vs. $300 for a full replacement. You need three numbers: Width, Height, and Thickness

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.