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.
Definition of Loads ï ASCE 7-2005 Standard defined straight wind and hurricane wind loads area as a severe load with a 50 or 100 year return period depending on the code Importance Factor and wind load defined for design multiplied by a 1.6 load factor.