Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
Patio door frame leaking.
Simply remove the corner pad s adhesive backing and stick the small square pad to the insides of your door frame at the crucial corners.
Solution is a tight bottom sweep doorseal and a rain splashguard or dripcap on the bottom outer face of door like the following link the type i use unless a fancy appearing one is desired easy to diy on most doors.
The gutters are clear and the patio is level.
I ve got a sliding patio door on the back of my home there s a moisture problem directly under the door in the basement.
How to get rid of water in your patio sliding door wall.
Test the door for the location of the leak.
Common leak paths for doors.
One potential problem area you can.
Although leaks are extremely common in these areas and sometimes allow rain water air and light into your home a sealed crucial corner won t fix a leak issue in other areas of the door.
There are many places where water can leak into your home.
It may seem obvious but a door left open or one that cannot be closed tightly because of wear and tear is a significant problem during a storm.
Causes of door leaks there are many potential pathways for water to leak in through a door but the biggest opening is of course the doorway itself.
Spray the door and look for the leak location.
How to stop water leaks under a door frame.
Some areas like your roof are obvious locations.