As insulation properties of glazing have improved and will continue to do so a common concern has arisen – misting of the glass on the outside of your roof window for short periods of time. This is not caused by any defect of the window but a result of the increased insulation properties of modern glazing.
Dew starts forming when the temperature of the exterior glass reaches the dew-point temperature of the outside air. This is most common early morning and at night.
If you’re ...Read More