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ETFE film used as roof system note

ETFE film used as roof system note

 

ETFE film architecture, it’s transmission can be up 96%, and weight maximum 0.47kg/m2, and glass should be 35kg/m2,  their span-life also more than 50 years. So more and more architecture like to use ETFE instead of glass.

ETFE data sheet.jpg

ETFE film strength is not enough to support all loading and force, it has to be made it’s force to transfer to steel cable, or made pillow to support loading.  ETFE film roof system is not be independent system, have to be combined with steel cable net, or make cushion.

Because ETFE film strength is so weak, the ETFE roof usually beware to make  bird pecking in area of bird stay.

 So in our opinion, ETFE roof system should be decoration in important building, and should not be as main structure system. Of cause, if the mast cab be paid more money for maintain the roof system, ETFE roof system is perfect architecture!

       Such as in 2015, we made stadium in Guigang City Guangxi, the roof system were combined with PTFE membrane and ETFE film,  ETFE is decoration only at front stand, and main roof is PTFE with 17000 sq.mt, and ETFE 8000 sq.mt only.

 

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