If the door was installed directly on the concrete slab water could be seeping under the doorframe.
Water leaking from top of patio door.
The gutters are clear and the patio is level.
Water can seep through even the smallest cracks.
Some areas like your roof are obvious locations.
However in some instances the top corner of the door is the true culprit.
One potential problem area you can.
I plan to seal.
If the door is installed at the edge of the roof overhang water could be leaking from the top of the sliding glass doors.
When a door leaks the most common suspect is the bottom corner of the unit.
Damage to the door itself.
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.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
Struggling to manage your water intrusion problems in the southwest florida home.
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.
Whether your door is sagging or bowed or just not making proper contact with the weatherstrip to seal out air and water the upper corners of your frame could be the problem.
Moisture could be.
At the time i went outside and saw that the first course of mortar above the window was cracked so assumed it was being forced in by the wind.
The exterior door in between the windows had water entering the wall and you can see stains around the door still.
Occasionally these sliding doors leak and need to be repaired.
Spray the door and look for the leak location.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
There are many places where water can leak into your home.
If a frame is crooked water can leak into the gaps between door and frame.
Step 1 test the door for the location of the leak.
How to stop water leaks under a door frame.