Removing Moisture From Sliding Glass Door
Fortunately fogging and moisture trapped in glass sliding doors can be fixed.
Removing moisture from sliding glass door. Below are some easy steps to reduce the risk of excess condensation. Use a dehumidifier to maintain fog free sliding glass doors. Troublesome condensation within the door glass often fogs that view particularly on days when humidity is high. Double pane windows have a gap between the two layers of glass.
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. On a dry day the moisture will. The glass in your door is made up of two sometimes three layers of glass separated by a airtight aluminum extrusion and silicone sealant. The main problem with a foggy sliding glass door is that the gasket is no longer sealed.
Therefore you will need to start out by drilling a hole in the gasket for the moisture to escape. Moisture trapped between double panes of glass typically occurs when the seal between one of the glass panes and the door frame is broken. Close off other doorways if possible so. Clean the exterior bottom rails of your windows and sliding glass patio doors to remove any dirt or debris.
This is the simplest fix to the problem but it will only be temporary. 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. Often professionals must be called in to repair this problem but that can be expensive and not always guarantee positive results.