The panels that make up the exterior of u s.
New vikings stadium roof material.
Sixty percent of the colossal venue some 248 000 square feet of it will be covered solely.
The key is etfe a space age plastic like material used in construction for roughly 30 years.
Look higher for the clues to this tongue twister all the way up to the roof of minnesota s new stadium.
Etfe is lighter and stronger than traditional roofing materials.
When the minnesota vikings host the green bay packers at the new us bank stadium in minneapolis on september 18 it will be the first regular season nfl game played under a roof made of a material.
The 248 000 square feet of roof sits atop 10 story glass doors facing downtown minneapolis which will open and close.
About half of the new minnesota vikings stadium roof will be made of clear lightweight tetrafluoroethylene or etfe allowing for an interior filled with natural light.
Like the aquatics center in beijing built for the 2008 summer olympics the southern half of the stadium s roof will be built with a material known as etfe ethylene tetrafluoroethylene.
New vikings football stadium first in the u s.
Minnesota s etfe roof will not be lighted but the spaces around it will giving it a glow of changing colors including vikings purple.
It s also translucent so much so that.
The roof is made up of 60 ethylene tetrafluoroethylene etfe a fluorine based clear plastic and is the largest in north america spanning 240 000 square feet 22 000 m 2 supplied and installed by the firm vector foiltec.