Double Pane Sliding Glass Door Moisture

Fog on any glass surface is due to condensation which occurs when the heated air.

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. 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. 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 wood gets too wet and starts to rot and eventually the glass seal breaks down.

Unfortunately simply repairing the seal isn t a solution. I called the local custom glass shop and had them come look. The spacer may also contain a desiccant material to help absorb any moisture in the air within the sealed space. 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.

There are two ways to solve the problem of moisture forming between the panes of a sliding glass door. When heavy fog accumulates on your sliding glass doors it is probably due to your home s high humidity levels. 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. 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.

Once the seal was broken the old school of thought was that the door needed to be discarded or the glass panes replaced at a price close to that of replacing the entire door. A new procedure has been developed that saves your door and also prevents moisture from developing again. Condensation between the panes of a double pane sliding glass door is a sign that the seal between the panes has failed. This seal cannot be fixed.

Replacing double pane windows. Double pane windows have a gap between the two layers of glass. 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. In these situations it s as simple as replacing the insulated glass unit.

When condensation between double pane windows forms the seal on the glass is broken. In humid climates wooden window frames are often the culprit. Glass companies will tell you that this means you must replace the unit with new sealed glass panels. It is this sealed space that gives the window most of its thermal performance.

Often professionals must be called in to repair this problem but that can be expensive and not always guarantee positive results. Sliding glass doors are common to many homes as a way to bring light into rooms.