Condensation is the process by which water molecules change from a gas into a liquid. This process can only happen when two conditions are present, the first being high relative humidity and the second, cold temperature.
Insulating glass is typically made from two or three layers of glass with a spacer between them. The spacer is typically made from aluminum tubing or structural foam, which assures a gap between the sheets of glass that is filled with dry air or another gas. (more…)