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Blog - October 2016

Double Glazing Condensation | Window and Door Repairs | PVC Windows Carlisle

What causes external condensation on double and triple glazed windows and doors? People are oftens surprised and worried to see external condensation on double or triple glazing, and the common misconception is that the sealed unit is faulty. Condensation on the outside of windows can be particularly noticeable during the cooler seasons - Autumn and Winter. External condensation is actually a sign that the window is working - incredibly well! Many customers may be a little bit concerned at this natural phenomenon, however, what it's actually demonstrating is how well the window/door is keeping the heat inside ...