Double-glazed glass, also known as insulated glass, consists of two glass panes separated by a gap, typically filled with a gas like argon for improved thermal insulation. This design reduces heat transfer, minimizes noise, and increases energy efficiency in buildings. Benefits include:

1. Reduced heat loss in winter and heat gain in summer
2. Lower energy bill
3. Minimized condensation
4. Enhanced soundproofing
5. Improved overall comfort

Double-glazed glass is commonly used in windows and doors for residential and commercial buildings.