Double layer glass, also known as insulated glass or double glazing, is a type of glass constructed with two panes separated by a layer of air or gas. The two panes are sealed together around the edges to create a single, insulated unit that can be used in windows, doors, skylights, and other applications.
Double layer glass offers a number of benefits over traditional single-pane glass. First and foremost, it is much more energy efficient. The air or gas layer between the two panes acts as insulation, slowing down the transfer of heat between the inside and outside of a building. This means that buildings with double layer glass are better able to maintain a comfortable temperature while using less energy for heating and cooling.
Another benefit of double layer glass is that it is much better at reducing noise transmission. The two panes of glass and the air or gas layer in between help to block out external sounds, making it an ideal choice for buildings located in noisy areas like airports or near busy roads.
Double layer glass is also much safer than traditional single-pane glass. In the event that one pane of glass is broken, the air or gas layer between the panes helps to absorb the impact and prevent the glass from shattering. This makes double layer glass an ideal choice for applications where safety is a concern, like in schools, hospitals, or high-rise buildings.
There are several different types of gases that can be used in the layer between the two panes of double layer glass. The most common are argon, krypton, and xenon. These gases are known for their low thermal conductivity, which means that they help to keep the inside of the building warmer in the winter and cooler in the summer.
Double layer glass can also be coated with a special layer to further improve its energy efficiency. These coatings, called low-e coatings, help to reflect heat back into the room, keeping it warmer in the winter and cooler in the summer. This can help to reduce energy costs even further.
Overall, double layer glass is a smart investment for any building owner looking to improve energy efficiency, reduce noise transmission, and improve safety. With its many benefits and wide range of applications, it is easy to see why double layer glass has become such a popular choice for architects, designers, and builders around the world.