Leaking sliding patio doors are a very common problem, especially if you’ve had your door for a while. Once a water leak has formed it can ruin your framing, cause rotting wood, mold damage, and floor damage around the door.
Here are some typical reasons for sliding door leaks:
Bad construction– Gaps in the framing where the sliding door is installed and the sliding door itself.
Damaged tracks– If the door track is damaged, it can cause water to no longer be sealed from entering into your home.
No flashing or damaged flashing– When preparing the frame to receive a sliding door, flashing is applied to the 1 x 4 as a protective barrier to protect the wood. Often this is either worn or missing which results in the wood either becoming rotten or it doesn’t seal as well.
Weather Stripping– This is a standard maintenance issue with balcony and patio sliding doors. Often the weather stripping is worn or missing and is now allowing water to seep into the house.
Caulking– Caulking is an important part of the sealing of a home. Most home or condo owners don’t realize that sliding doors need a special type of caulking in order for the water proofing to be effective.
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