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-   -   Window fogging (https://www.askmehelpdesk.com/showthread.php?t=264000)

  • Sep 25, 2008, 08:14 PM
    fpassa
    Window fogging
    Set-up:
    I just got new windows. The set up is one frame containing 3 windows. Of the 3 windows, the middle one is Big and unopenable, while the other two (left to the center window and right to the center window) are smaller (narrow) and openable. The glass is two layer type (insulant type). Windows were bought from Gilkey Windows in Chicago

    Situation:
    Sometimes the center window becomes foggy. Oddly enough, the fog is only on the big center window and the fog starts almost 2 inches into the window from the boarder of the frame. Also, I notice that the fog (concendation) is on the outside of the window... and not in between the two layers of glass

    Question:
    Considering my old windows never used to fog up... unless very cold outside.. Why do these fog up so easy... IS this a defect? I called the manufacturer and he said that because this is happening from the outside, it is not a defect... It is normal he states. However, I don't trust him considering that it doesn't make sense for the following reasons:
    1. Old windows didn't fog
    2. Other side windows don't fog
    3. Fog starts almost exactly two inches into the window from the frame.
    Question : is this a defect or is this really common?
  • Sep 25, 2008, 08:39 PM
    hkstroud

    When the condensation occurs, is it cooler inside or outside? Are the frames wood or metal?
  • Sep 25, 2008, 08:57 PM
    fpassa
    Quote:

    Originally Posted by hkstroud View Post
    When the condensation occurs, is it cooler inside or outside? Are the frames wood or metal?


    Yes - it is cooler on the outside... and damp (typically the car windows also have consendation . This occurs in the early morning.

    I know this is normal... But why didn't my other windows do this and why is it only one (the large center) window which this occurs with

    The fram is plastic/ vinyl type material
  • Sep 26, 2008, 05:27 AM
    hkstroud

    Sounds like you have warm air escaping from the inside between the window's insulated glass and the frame. This air being cooled by the outside temperature is forming condensation. Window is defective. Specifically the seal between the glass and the frame is defective. Try caulking the edge of the frame in that area or demand replacement.

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