What causes double-pane windows to fail?

Cheap spacers used in double pane windows can potentially cause them to fail. Double pane windows consist of two panes of glass separated by a spacer, which creates an insulated air space between the panes. The spacer helps to maintain the distance between the panes and prevent them from flexing, which can lead to stress cracks and seal failure.

Low-quality or cheap spacers can be made from materials that are less durable, such as aluminum or certain types of plastic. These materials may be more prone to bending, warping, or breaking, which can cause the panes to shift and break the seal. When the seal fails, moisture can enter the space between the panes, causing condensation, fogging, or even mold growth.

In contrast, high-quality spacers are typically made of materials such as stainless steel or structural foam, which are more durable and less prone to damage. They can also incorporate additional features such as desiccants, which help to absorb moisture and prevent condensation from forming.

It’s important to choose a reputable window manufacturer and installer that uses high-quality materials, including spacers, to ensure the long-term durability and performance of your double pane windows.

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