Granger ISS Tornado Shelter
America’s leading Tornado Shelter, The Granger ISS offers rotationally molded double-wall foam filled construction while exceeding both FEMA and ICC 500 standards of safety. Featuring (2) 1/2″ thick rotationally molded polyethylene walls, then filled with a structural foam for rigidity and insulating purposes. The only storm shelter on the market with a 1,000+ year usable lifespan, offering protection to your family for generations to come!
Granger ISS Tornado Shelter Weather Channel
Watch in the video above, as Alli explains to the Team at the Weather Channel how the Granger ISS Tornado Shelter is superior to most underground storm shelters. Featuring durable, roto-molded construction, along with a multi-layer door, molded in circular seating, a 3 step entrance with articulating handrails. The Granger ISS, America’s leading Underground Tornado Shelter is the only shelter to provide generations of protection with industry leading features!
Granger ISS Storm Shelter on HouseSmarts TV
You can learn more about the Granger ISS Tornado Shelter by clicking here or visiting any of the Granger ISS Tornado Shelter links below!
Granger ISS Tornado Shelter Information
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