Repair Double Pane Windows New! May 2026

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. Pry these out carefully with a putty knife. Label which side is up. repair double pane windows

Scrape out old butyl tape or silicone. The frame must be spotless. You need three numbers: Width, Height, and Thickness

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