Double glazed curtain wall, as its name, there are two layers of building envelop, and has one more air cavity than single layer curtain wall system. It is the most important to have this air cavity in this system, with better weather resistance, noise insulation performance. This air cavity can be designed to adjust the air circulation between interior and outdoor. It comes to the world in 1990s in Europe and most used in Germany, like Frankfurt Commercial Bank, Warsa Focus Filtrowa Tower, Allianz Building in Frankfurt, East Berlin Train Station, Darmstadt Bank Office Buidling. Now this system is spreading to the whole world, like double skin façade in Projects Leaden Hall and 261 City Road in London, UK: Shanghai Tower in China……
There are three types of this system as air circulation mode, they are interior air circulation, outdoor air circulation and combined interior and outdoor air circulation.
It is a very complicated system, normally, with sunshade louvers, blinds, vent control system, steel grills or aluminum grills at every floor bottom. The price RMB/m2 is 1.5-4 times of single curtain wall system. But it is time trend to get building energy saving efficient. It can save energy for warming 40%-50%, save energy for cooling 40%-60% than single skin curtain wall.
The installation of this double skin curtain wall, normally install the external façade first, brackets ,hangers ,unitized panels then it is the middle cavity part, like the bottom brackets for grills, grills and then it is the internal façade, top and bottom brackets, unitized panels, top and bottom sealing panels.
China REXI Façade, top class curtain wall manufacturer and supplier in China with fairer price, deserves a good reputation in curtain wall field both in China and abroad. We can carry on all the communication work with main contractor and architects if needed to ensure you have the proper curtain wall products.