The house was designed for areas with frequent extreme weather like Missouri (where the schools are located), which experiences an average of 27 tornados per year. Extreme winds with flying debris cause the greatest loss of life and property in the event of a tornado. Flying debris hits buildings and allows strong winds to enter, creating heavy pressure inside. This pressure enables winds tear off roofs and cause entire buildings to collapse.

Related: Tornado-Resistant Phoenix Solar Decathlon House Rises From the Ashes After Natural Disasters

The students designed the roof of the house as a flat structure that allows horizontal high-speed winds carrying debris to fly over without severe damage. The house doesn’t have eaves and other overhangs, which actually help high-speed winds pull off roofs during a storm. Its two modules – one contains the kitchen and the bathroom while the other consists of the two bedrooms – are built off-site and conveniently transported to the target location.

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