Low E Window Coating Failure

Pay attention to the 4 flames you see reflected in the glass.

Low e window coating failure.

It has been determined that low e windows are the culprit of melted vinyl siding installed on nearby houses and buildings with initial reports of such damage surfacing in 2007. If your windows are older than five years maybe even one year then you are likely out of luck for a warranty claim. Low e coating are designed to filter out infrared heat energy and ultraviolet light from the sun. The window defect was the failure of the low e coating on surface 2 see figure 1 on the interior of the dual pane structure of the window.

Low e coating failure in windows. Low e glass windows are the best solution to filter the harmful rays of the sun. This is a manufacturing defect and is not a result of post installation cleaning damage. If the low e coating is failing then that is a different question.

This coating may be delaminating but the failure will be progressive and the fix will be the same replacement. They are quite popular these days for use in homes and offices. They are quite popular these days for use in homes and offices. Low e emiscity glass is actually a coating put on one of the inner surfaces of the glass to save energy either by keeping the sun out of the home in the summer or keeping the warmth of home from radiating out of the home in the winter.

If all the flames look identical there is no low e coating present. This homequicks article tells you about the dos and don ts of cleaning them. In some cases as the window ages the coating may deteriorate. The defect is so severe that these windows cannot pass astm 1036 window requirements for architectural glass.

If there are seal failures then you will have condensation between the panes of glass. This is but a small sampling of how specific the new generation low e coatings can get. Low e has the ability to keep the temperature of the surface of the glass facing the interior very near that of the room itself regardless of outside temperatures. Because roomside low e provides exceptional insulating benefits homes kept at a high level of humidity or not ventilated properly may experience condensation on window glass.

If one of the flames looks slightly clearer and is a different color or hue from the other three that indicates a low e coating. Condensation can occur on any type of glass learn more about condensation causes and cures. Low e squared glass can keep the inside glass temperature within 1 f of a room with no windows. They are sometimes called double silver or triple silver low e windows.