Air leaks around the window frame water leaks into the building wall and rot or insect damage traced to a gliding window frame that does not drain properly possibly debris clogged drain openings sloppy flashing or caulking around the window leading to leaks into the building walls.
Sliding door air leak.
Then remove any wood trim around the door.
You need to determine if the top.
In this video i show you how i repaired a leak by replacing an incorrect capping job.
If that s open to the exterior or not perfectly sealed off from it then the trim is doing the job of preventing air movement.
Caulk the heck out of it.
I used this tape for sealing.
The trim is covering the gap joint between the door and the rough opening.
Small stones and debris from shoes can accumulate in the sliding glass channels.
If you cannot re create the leak problem inspect the interior of the door for stains or rust.
Adhesive backed rubber compression strips are effective weatherproofing tools.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
There s a moisture problem directly under the door in the basement.
Do you have any leaking windows or doors.
Caulk around the outside frame of the sliding glass doors to seal any cracks or openings.
In regards to bowed panels it is hard to guess the percentage defective runs come and go.
The doors actually leaked air and in one case water.
Spray the door and look for the leak location.
We had 5 ps vinyl in out doors with defective weatherstripping within a month last fall.
Regardless this looks like a problem with the installation more so than the door.
Test the door for the location of the leak.
The gutters are clear and the patio is level.
Make certain the sliding glass door closes tightly so outside air does not enter the house.
When the door slab is replaced in 12 weeks let me know how it works.
I plan to seal between the bottom aluminum threshold and the concrete curb and caulk the gap between the side trip and my brick.
My advice is to carefully remove the aluminum trim that s covering the wood trim that surrounds the sliding patio door.
The best way to weatherproof a sliding door debris.