Patio Door Leaking At Bottom

Moisture could be seeping into your home from the top.

Patio door leaking at bottom.

6 rain hitting threshold and running down door face is splashing seeping under door on top of the threshold. 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. I plan to seal. If you cannot re create the leak problem inspect the interior of the door for stains or rust.

When a door leaks the most common suspect is the bottom corner of the unit. If you like my content or find it helpful support my youtube channel or my podcast links below. Solution is a tight bottom sweep doorseal and a rain splashguard or dripcap on the bottom outer face of door like the following link the type i use unless a fancy appearing one is desired easy to diy on most doors. Spray the door and look for the leak location.

You can do this by taking steps to make the bottom of the door frame waterproof before you install the door. If you have a problem with water leaking it will usually be on the bottom track threshold of the non stationary door. 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.

Water leakage is a common problem with sliding door thresholds. To slide the heavy doors along the metal frames the doors use metal or plastic rollers. The gutters are clear and the patio is level. Test the door for the location of the leak.

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.