Q: I have a problem with an old Pella retractable screen that I need to replace because it's torn and bent. It is for one of four windows in a bay window. Do you have any suggestions? Springdale, Md.

Dear James: It is a hassle putting up and taking down window screens. Do retractable window screens block bugs as well, and are there larger ones to replace screen doors? — Brooke H. Dear Brooke: When ...