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