This is the simplest fix to the problem but it will only be temporary.
Removing moisture from sliding glass door.
Often professionals must be called in to repair this problem but that can be expensive and not always guarantee positive results.
This creates a dead air space which makes the glass more energy efficient the seal has failed and you are getting condensation between the panes.
Clean the exterior bottom rails of your windows and sliding glass patio doors to remove any dirt or debris.
If not properly sealed or if the seal has worn the interior of the window can fog up due to the collection of moisture and condensation.
Fortunately fogging and moisture trapped in glass sliding doors can be fixed.
Moisture trapped between double panes of glass typically occurs when the seal between one of the glass panes and the door frame is broken.
The glass in your door is made up of two sometimes three layers of glass separated by a airtight aluminum extrusion and silicone sealant.
Excess moisture on the inside of a window blocks your view and can lead to mold and mildew below and around the window or glass door.
Close off other doorways if possible so.
Troublesome condensation within the door glass often fogs that view particularly on days when humidity is high.
The main problem with a foggy sliding glass door is that the gasket is no longer sealed.
On a dry day the moisture will.
Use a dehumidifier to maintain fog free sliding glass doors.
Therefore you will need to start out by drilling a hole in the gasket for the moisture to escape.
Dehumidifiers remove moisture from the air in whatever room they are placed in.