If you have a problem with water leaking it will.
Water leaking from sliding door frame.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
Check to see which door moves and which one is the stationary.
Since sliding glass doors and sliding impact windows are heavy they move along metal tracks fitted to the bottom and top of their frame.
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.
If you cannot re create the leak problem inspect the interior of the door for stains or rust.
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.
Tough to fix if there is no physical gap between porch deck and house especially if framing runs under door.
One potential problem area you can.
I plan to seal.
It may seem obvious but a door left open or one that cannot be closed tightly because of wear and tear is a significant problem during a storm.
2 water is running under the wood sill the bottom piece of wood under door may be a 2x4 across under bottom of door frame common in snowy or rainy country where doorsill is elevated or may be the base piece of the threshold unit.
Common leak paths for doors.
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.
To slide the heavy doors along the metal frames the doors use metal or plastic rollers.
Test the door for the location of the leak.
The gutters are clear and the patio is level.
A sliding glass door is no better than the frame into which it is placed.
How to stop water leaks under a door frame.
Spray the door and look for the leak location.
There are many places where water can leak into your home.
Damage to the door itself.
If a frame is crooked water can leak into the gaps between door and frame.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
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.