Double-glazed windows are among the types of construction windows that have unique properties due to being equipped with optimal materials in construction, including UPVC and double-layered glass. In fact, this type of windows, in addition to optimizing energy consumption, also has the ability to be sound insulated, and these features have classified this type of windows as one of the most popular building materials, which in the rest of this article from Persian Sazeh to We will review it more and more fully.

