Moisture could be seeping into your home from the top.
Water leaking from top of sliding door frame.
Here is the solution to fix it relatively easily and permanently.
It is not very bad leak but keep dripping when it is raining.
Other leak risks are discussed in the following paragraphs.
I resealed all the bricks outside with mortar and new roof gutters are clean.
I am in south metro area of atlanta ga.
You can do this by taking steps to make the bottom of the door frame waterproof before you install the door.
Test the door for the location of the leak.
1 place the end of a strip of adhesive backed aluminum tape on one of the side jambs in.
Above the door is a window new last year installed.
However in some instances the top corner of the door is the true culprit.
A sliding glass door is no better than the frame into which it is placed.
When a door leaks the most common suspect is the bottom corner of the unit.
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.
Got a water leak around or below a upvc window or door.
Leak happen when it is a heavy rain with wind blows same direction where is the door.
There are no signs of water on the drywall above the door.
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.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
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.
Spray the door and look for the leak location.
The ultimate goal is to create a series of overlapping layers of flashing material so that any water that gets behind the door trim from above the door or along the sides is captured and redirected.
Damage to the door itself.
There are many potential pathways for water to leak in through a door but the biggest opening is of course the doorway itself.
Got a water leak around or below a upvc window or door.
If you cannot re create the leak problem inspect the interior of the door for stains or rust.
The door is under an overhang of between 18 24.
If a frame is crooked water can leak into the gaps between door and frame.