There are two ways to solve the problem of moisture forming between the panes of a sliding glass door.
Double pane sliding glass door moisture.
Moisture trapped between double panes of glass typically occurs when the seal between one of the glass panes and the door frame is broken.
That being said when one pane of these windows is damaged homeowners often ask if they can simply replace a single pane of glass in a double pane window.
The glass in your door is made up of two sometimes three layers of glass separated by a airtight aluminum extrusion and silicone sealant.
Condensation between the panes of a double pane sliding glass door is a sign that the seal between the panes has failed.
Double pane windows are often the preferred choice of homeowners because they are energy efficient improve noise reduction and make the home more comfortable overall.
Double pane windows also called insulated or thermal windows are made with two panels of glass sandwiched over a spacer and sealant creating a space between the panes that is filled with air or with a gas usually argon or krypton.
When condensation between double pane windows forms the seal on the glass is broken.
In humid climates wooden window frames are often the culprit.
If your sliding glass double pane doors have dirt on the inside of the glass it means the seal holding the inert gas inside the glass has been broken.
When heavy fog accumulates on your sliding glass doors it is probably due to your home s high humidity levels.
It is this sealed space that gives the window most of its thermal performance.
I have an update and resolution on my double pane french atrium door with a broken seal that allowed moisture in between panes and made the door permanently foggy.
Sliding glass doors are common to many homes as a way to bring light into rooms.
Fog on any glass surface is due to condensation which occurs when the heated air.
The spacer may also contain a desiccant material to help absorb any moisture in the air within the sealed space.
In these situations it s as simple as replacing the insulated glass unit.
Replacing double pane windows.
The door is 25 years old and made by peachtree a company no longer in existence.
Unfortunately simply repairing the seal isn t a solution.
A new procedure has been developed that saves your door and also prevents moisture from developing again.
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.
Often professionals must be called in to repair this problem but that can be expensive and not always guarantee positive results.
The wood gets too wet and starts to rot and eventually the glass seal breaks down.
I called the local custom glass shop and had them come look.
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.