Regularly caulking exterior windows and doors can benefit your home and prevent a ton of common problems. Here's how often you should be caulking.

Dear Jim: I noticed cold air leaking indoors all winter. The caulk around doors and windows looks bad and should be replaced. Where else should I look for air leaks ...

Contractors have warned that taking the time to properly prepare your doors and windows ahead of a freeze can save you from costly repairs and ensure your home stays comfortable.

Caulk, weather stripping, or window film kits can be used to seal gaps and cracks around windows and doors.