If you cannot re create the leak problem inspect the interior of the door for stains or rust.
Patio door water leaks.
During a heavy rain water leaks from above the door dripping from the door casing above it onto the floor.
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.
Place the end of a strip of adhesive backed aluminum tape on one of the side jambs in the doorway 3 inches above the.
There are no signs of water on the drywall above the door.
Damage to the door itself.
Water can seep through even the smallest cracks.
Test the door for the location of the leak.
2 poor seals on the door itself.
How to get rid of water in your patio sliding door wall.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
Press it tightly against the jamb including the corner where the.
Spray the door and look for the leak location.
If you have a water leak at your threshold you must watch this how.
How to stop water leaks under a door frame 1.
Although leaks are extremely common in these areas and sometimes allow rain water air and light into your home a sealed crucial corner won t fix a leak issue in other areas of the door.
Cover the bottom of the side jamb with the tape.
1 leakage from poor failed caulk and or flashing over or around the door leaking down to the bottom of the door and then out onto the floor.
Simply remove the corner pad s adhesive backing and stick the small square pad to the insides of your door frame at the crucial corners.
Http youtu be hg2mfndacfw waterproofing how to weather seal door threshold water leak.