But where is it coming from, and how do you fix it This article will outline 5 common causes and solutions to water leaking around your door frame. Inspect drainage holes and door sweeps, seal gaps, adjust the door, and install a drip cap if necessary. If you live in an area with frequent rain, you know the importance of preventing leaks.it’s easy to weatherproof your roof and windows, but just as easy to forget your doors.a door threshold is meant to weatherproof the bottom of your door, but it can’t do its job if not correctly installed. I had a leak on an exterior door where driving rains would cause a leak under the door at the threshold If your exterior door leaks when it rains, there’s a possibility there is not enough caulking along the door frame
Caulking helps prevent air drafts and water from leaking into your home.
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