Do you and your family even have a safe place for shelter?
The Granger ISS is a double wall underground shelter, manufactured from 100% certified, virgin prime polyethylene. The Granger ISS features a patented design, that combines the internationally recognized engineering talents, of Plastics industry leader, Granger Plastics with over 15 years of Storm Shelter manufacturing, research and design experience. When protecting your family, chose an internationally recognized industry leader, Granger Plastics.More
Families and businesses alike, have all made a conscious investment into their families and employees safety by purchasing and installing America's leading Storm Shelter, the Granger ISS. No other shelter compares in quality or durability to a Granger ISS! The Granger ISS is the only Tornado Shelter your family will ever need!