2torial #0515: Learn2 Repair a Broken Window (Continued) Finish it off Wait at least a week, maybe two, for the putty to dry before priming and painting it. Use paint remover to get rid of any putty smears on the glass. Paint the putty to seal it from the weather. Let the paint seep onto the glass a little to make a tight seal.   -end- Learn More! or All steps at once (printable version)