Damage to the door itself.
Water leaking from top of patio door.
If the door is installed at the edge of the roof overhang water could be leaking from the top of the sliding glass doors.
Some areas like your roof are obvious locations.
If a frame is crooked water can leak into the gaps between door and frame.
One potential problem area you can.
About a month ago during heavy rain and a strong se wind i noticed a leak from our east facing upvc patio doors.
Struggling to manage your water intrusion problems in the southwest florida home.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
Moisture could be.
I plan to seal.
The exterior door in between the windows had water entering the wall and you can see stains around the door still.
The leak was where the top of the frame meets the internal horizontal plasterwork.
Spray the door and look for the leak location.
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.
If the door was installed directly on the concrete slab water could be seeping under the doorframe.
Water can seep through even the smallest cracks.
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.
Occasionally these sliding doors leak and need to be repaired.
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.
There are many places where water can leak into your home.
However in some instances the top corner of the door is the true culprit.
If you cannot re create the leak problem inspect the interior of the door for stains or.
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.
Step 1 test the door for the location of the leak.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.