Moisture could be.
Sliding door leaking from top.
A sliding glass door is no better than the frame into which it is placed.
Step 1 test the door for the location of the leak.
Above the door is a window new last year installed.
Leak happen when it is a heavy rain with wind blows same direction where is the door.
Struggling to manage your water intrusion problems in the southwest florida home.
Spray the door and look for the leak location.
However in some instances the top corner of the door is the true culprit.
When a door leaks the most common suspect is the bottom corner of the unit.
Leak comes from the top of the door frame and going down on side frame to the bottom inside the frame and drip at the same time a bit from the top of sliding door on the glass.
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.
I resealed all the bricks.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
If you cannot re create the leak problem inspect the interior of the door for stains or.
If a frame is crooked water can leak into the gaps between door and frame.
I m hoping that you.
If the door was installed directly on the concrete slab water could be seeping under the doorframe.
Occasionally these sliding doors leak and need to be repaired.
How to fix a sliding glass door leak.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.