How To Repair A Broken Window Pane File

Once cured, prime the putty with exterior primer (this is non-negotiable; unprimed putty dries out and cracks). Then apply two coats of exterior paint, overlapping onto the glass by about 1/16” to create a weather seal.

Inspect the window frame for any damage or rot. If necessary, repair or replace the frame before proceeding. Apply a thin layer of window putty to the frame, spreading it evenly with a putty knife. how to repair a broken window pane

By following these steps and taking necessary safety precautions, you should be able to successfully repair a broken window pane. Once cured, prime the putty with exterior primer

Use a putty knife to scrape out any remaining old putty, dirt, or debris from the window frame. Clean the frame with a damp cloth to ensure a smooth surface for the new glass. If necessary, repair or replace the frame before proceeding