There are several reasons why water seeps indoors through sliding glass doors.
Sliding glass door leaks water track.
Small slots in the exterior section of track provide drainage when water comes in contact with the glass door.
Spray the door and look for the leak location.
A sliding glass patio door correctly installed and maintained will mitigate most of these issues but annual preventative maintenance with an elastomeric sealant around the perimeter is a must.
Water collects on both sides of the track where the sliding part of the door sits and where it slides.
The ultimate goal is to create a series of overlapping layers of flashing material so that any water that gets behind the door trim from above the door or.
After gaining a general understanding of your door keep in mind the easiest way to prevent leaks is.
Last night we had heavy winds with the rain which blew it against the door and the tracks filled to overflowing quickly even though the rain wasn t all that heavy.
The openings often become clogged with dirt and debris.
How to prevent water intrusion on sliding glass doors identify the issue.
Water intrusion in some sliding glass doors can occur with wind driven rains at speeds as low as 22 miles per hour.
If you cannot re create the leak problem inspect the interior of the door for stains or rust.
Test the door for the location of the leak.