Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
Water leaking from sliding door frame.
Damage to the door itself.
If you have a problem with water leaking it will.
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.
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.
Tough to fix if there is no physical gap between porch deck and house especially if framing runs under door.
How to stop water leaks under a door frame.
A sliding glass door is no better than the frame into which it is placed.
The exterior door in between the windows had water entering the wall and you can see stains around the door still.
To slide the heavy doors along the metal frames the doors use metal or plastic rollers.
Check to see which door moves and which one is the stationary.
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.
The gutters are clear and the patio is level.
One potential problem area you can.
If a frame is crooked water can leak into the gaps between door and frame.
Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door.
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.
Some areas like your roof are obvious locations.
If you cannot re create the leak problem inspect the interior of the door for stains or rust.
Since sliding glass doors and sliding impact windows are heavy they move along metal tracks fitted to the bottom and top of their frame.
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.
Causes of door leaks there are many potential pathways for water to leak in through a door but the biggest opening is of course the doorway itself.
I plan to seal.
Common leak paths for doors.
There are many places where water can leak into your home.