No, windows and doors do not cause condensation. Exterior condensation is dew; the same condensation you see on car windows, lawns. and streets on many mornings. Dew on windows is a natural atmospheric phenomenon, and it doesnât mean your windows are leaking air.
Simply put, wind driven rain is damage caused by rain that was propelled by wind through the window seals or door seals. In other words, if the wind was not in the equation, the water would never have made it into the dwelling to cause damage.
wind. n. 1. (Physical Geography) a current of air, sometimes of considerable force, moving generally horizontally from areas of high pressure to areas of low pressure. See also Beaufort scale. 2. (Physical Geography) the direction from which a wind blows, usually a cardinal point of the compass.