The key is etfe a space age plastic like material used in construction for roughly 30 years.
New vikings stadium roof material.
Sixty percent of the colossal venue some 248 000 square feet of it will be covered solely.
To use etfe film roof utilizing 3m material to create an enjoyable environment year round by permitting outdoor atmosphere without frigid.
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 high tech plastic roof on the new minnesota vikings stadium looks like something from a household kitchen a wobbly paper thin surface that could be used as a cutting board.
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.
The 248 000 square feet of roof sits atop 10 story glass doors facing downtown minneapolis which will open and close.
Etfe is lighter and stronger than traditional roofing materials.
Look higher for the clues to this tongue twister all the way up to the roof of minnesota s new stadium.
Minnesota s etfe roof will not be lighted but the spaces around it will giving it a glow of changing colors including vikings purple.
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.
New vikings football stadium first in the u s.
Bank stadium in minneapolis need to be replaced a project that will cost over 21 million over the next two years according to a settlement.