Winter Olympics Ice Town ETFE project is located in Zhangjiakou City, is a key supporting project for the 2022 Beijing Winter Olympic Games, in which the projected area of membrane structure project is about 9000 sqm.

The project consists of two roof areas of Building 8 and Building 9. About 650 sqm of open windows, 2000 sqm of capacitive smoke exhaust windows and 5850 sqm of fixed cushion windows. Each cushion unit is composed of outer, middle and inner layers of ETFE membrane materials, and the outer and inner layers are 200um transparent ETFE and middle is 100um. Therefore, the project includes opening system and fuse system for fire linkage function of roof.


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