Patio Door Leaking At Top

If you cannot re create the leak problem inspect the interior of the door for stains or rust.
Patio door leaking at top. Damage to the door itself. We ve tried everything much like eric above including getting the balcony refelted and new patio tiles put on we ve also put a lip around the balcony. 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. A sliding glass door is no better than the frame into which it is placed.
Water leaking through patio door. Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door. It just comes in in one corner. Even brand new door bottoms won t create a secure seal if your door sill isn t properly adjusted.
Spray the door and look for the leak location. If a frame is crooked water can leak into the gaps between door and 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. Door bottoms are important but leaks can also be caused by the door sill.
Door bottoms seal between the panel and door sill so watch for signs when your door bottom needs replacing. Test the door for the location of the leak. Aim a garden water hose with a sprayer set on mist or low at the outside of the sliding door. There are patio doors to the balcony and the leak comes in under the wooden frame of the patio doors the doors are plastic and soaks the carpet and woodwork.