Q:

How do you get rid of moisture between window panes?

A:

Quick Answer

To remove moisture between window panes, either replace the existing window or drill two small holes at the top and bottom corner of the affected window frame and install special one-way valves. Double-pane windows consist of two panes of glass sandwiched over a spacer filled with air or a gas such as argon or krypton. Moisture build-up occurs when the seal between panes breaks or when the desiccant inside the windows becomes saturated.

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Full Answer

Condensation and moisture build-up within the panes of a thermal window typically indicate a failure of the seal between the glass panels. A breached seal allows air containing water vapor to enter the space, which produces condensation. Replacing the entire window is the only way to ensure optimum thermal regulation while eliminating issues with condensation.

Thermal window restoration efforts involve drilling a small hole that allows dryer air to displace the moisture-laden air trapped within the space. This process involves drilling two holes in the window. A chemical agent is then introduced through one hole and vacuumed out the other.

Once the window is clean and dry, one-way valves are installed to plug the holes. These valves allow air and water vapor to escape without being able to re-enter the space. Repairing thermal windows may not always be as effective as window replacement in terms of eliminating condensation without impairing thermal regulation.

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