How do I stop water from coming under my door?
Run a bead of caulk along your doorframe. Wet your finger and smooth out the caulk bead. You can apply painter’s tape along the doorframe before caulking to help you make a straight line. Because this is an entrance door, you may want paintable caulk so that you can make it blend in with your doorframe later.
How do you fix a leaking door seal?
Squeeze water-proof caulk into cracks in the door fame to seal out both air and moisture. For larger gaps, use spray foam insulation to seal the void. Allow it to dry completely and trim away excess caulk or foam with a utility knife.
How do you keep water from coming through concrete floor?
Any joints in your concrete floor also invite water to seep in, and the best way to stop water in these areas is to seal them up with exterior-grade caulk.
How do I know if my door seal is leaking?
The rubber seal around the edge of the door can also sometimes be a cause of leaks. If the seal gets damaged, or dries out, water will track down the front of the door and into the car. A visual inspection is usually sufficient to diagnose whether this is the culprit. If the weatherstripping is not 100% replace it.