Condensation is moisture that forms on surfaces, particularly windows, when the surface is cooler than the dew point, or the temperature in which water vapor in the air converts into liquid. The amount of condensation that collects on windows can vary significantly depending on the ty

Sound ratings were developed by the American Architectural Manufacturers Association (AAMA) and the American Society for Testing and Materials (ASTM) to standardize the testing and rating of sound transmission for building components, particularly windows. Two sound ratings are mainly