If a frame is crooked water can leak into the gaps between door and frame.
Water leaking from top of sliding door frame.
A sliding glass door is no better than the frame into which it is placed.
I plan to seal.
Some areas like your roof are obvious locations.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
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.
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.
When a door leaks the most common suspect is the bottom corner of the unit.
Test the door for the location of the leak.
During irma my first floor s windows north facing about 8 on each side were leaking rainwater from the top of the window similar to the manner of leaking in the video by ada lam above.
One potential problem area you can.
Damage to the door itself.
Spray the door and look for the leak location.
How to stop water leaks under a door frame.
Moisture could be.
Common leak paths for doors.
There are many places where water can leak into your home.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
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.
The exterior door in between the windows had water entering the wall and you can see stains around the door still.
The gutters are clear and the patio is level.