Tornado Shelters
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.
MoreAmerica's Leading Storm Shelter
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!
- 1,000+ year lifespan
- Double-Wall Polyethylene Construction
- Door exceeds FEMA 320 & 361 standards
- Limited Lifetime Warranty!
- Won't Rust, Rot, Crack, Leak or Float!
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Free Color Door Upgrade!
Register for a Free Storm Shelter Door Color Upgrade! Offer ends 07/31/12!Granger ISS Information
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Installed Shelters
See the Granger ISS Photo gallery, showing installed units and families in units!
Leading Manufacturer
Manufactured by World Leading Rotational Molding Company, Granger Plastics!Shelter Features
Industry leading Tornado Shelter features and innovations! The only Underground Shelter loaded with this many industry leading features!
Granger ISS Dealers
Find an authorized Granger ISS Dealer near you today! The Granger ISS has the largest dealer network in the country!