Windows and patio doors are designed with a weep drainage system on the exterior bottom of the frames to help protect the inside of your home.
How to clean sliding door weep holes.
How to clean sliding door or window tracks duration.
You can clean these in a matter of seconds just watch and see.
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 a dry cloth as hard particles can abrade the finish.
How window weep holes work anlin windows doors duration.
Anlin windows doors 103 541 views.
Rub the marked area from several different directions.
If the mark still remains on the room facing low e glass surface apply a small amount of bar keepers friend or cerama bryte.
Ceramic cooktop cleaner to a soft clean lint free microfiber cloth or paper towel.
Then wash the surface using warm water a mild detergent and a soft absorbent cloth.
Never use abrasive or acidic cleaners they might cause permanent damage to the frame finish.
Than maybe the drainage holes are blocked.
Get a pipe cleaner coat hanger popsicle stick or just about anything else that will fit through the weep holes and clean them out.