Than maybe the drainage holes are blocked.
How to clean sliding door weep holes.
Anlin windows doors 103 541 views.
Get a pipe cleaner coat hanger popsicle stick or just about anything else that will fit through the weep holes and clean them out.
You can clean these in a matter of seconds just watch and see.
How window weep holes work anlin windows doors duration.
Older tracks without weep holes may need to have some drilled.
Ceramic cooktop cleaner to a soft clean lint free microfiber cloth or paper towel.
Do you have water leaking in through your pvc door.
How to clean sliding door or window tracks duration.
Once clean you should be able to pour a small pitcher of water into the track and watch it migrate to the weep holes and trickle outside.
Never use abrasive or acidic cleaners they might cause permanent damage to the frame finish.
Then wash the surface using warm water a mild detergent and a soft absorbent cloth.
First remove any large particles with a soft bristle brush.
Never use a dry cloth as hard particles can abrade the finish.