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World’s biggest transparent roof for Minnesota Vikings

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The Minnesota Sports Facilities Authority (MSFA), the Minnesota Vikings and HKS Sports & Entertainment Group have together unveiled the design of the State’s new multipurpose stadium. The design package will now be submitted to the Minneapolis Stadium Implementation Committee and the City of Minneapolis for review. Michele Kelm‐Helgen, Chair of the Minnesota Sports Facilities Authority, said:

We wanted a design that encourages a connection into the neighbourhoods, that will spur economic development and that will act as a destination rather than a barrier. The design, the amount of glass and light and the transparency makes this an iconic building that will attract a Super Bowl, NCAA basketball and baseball tournaments, world class concerts and other great events. The benefits to the state’s economy will be incredible.

Architect HKS has designed the largest transparent roof in the world to overcome climate challenges while providing an outdoor feel. With ethylene tetrafluoroethylene (ETFE) on the roof’s southern half, fans will feel as if they are sitting outside without being exposed to the elements. Sustainable characteristics will be utilised to produce lower operating costs in winter and summer. HKS said that the stadium’s sloped roof will be the most efficient roof structure in the USA, even considering the snow‐loading requirements with Minnesota’s climate. Heating technology is reported to be involved.

The final design departs from earlier concept designs which showed a rounder shape and is more obviously by the designers of Indianapolis Colts and Dallas Cowboys stadiums. The roof is fixed but the end doors open.

Groundbreaking for the 65,000‐seat stadium will take place in October 2013, and demolition of the Metrodome will begin early in 2014. The new stadium is scheduled to be open in time for the Vikings 2016 season.

Bryan Trubey, Design Principal, HKS Sports & Entertainment Group, said:

The design reflects the true story of the Minnesota community with its international style driven by climatic response and energy conservation. The interior volume makes it the most versatile, multi‐use building in the country with the most advanced digital age technology.

Vikings Owner/Chairman Zygi Wilf added:

Vikings fans will be closer to the action than any stadium in the country. The combination of operable end walls with a clear roof and large windows throughout the facility will give fans the opportunity to experience the best of both worlds: an outdoor feel with protection from the elements.

John Wood, Senior Vice President at Mortenson Construction, the stadium builder, said:

We look forward to bringing this wonderful design to life and beginning construction in a few short months.


The Vikings stadium will have the biggest transparent roof in the world.


01b vikings ext end  02 vikings ext crowd approach  03 vikings monumental doors   04 vikings downtown view  05a vikings club  05b vikings box