Granger ISS

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Tornado Shelters

Do you and your family even have a safe place for shelter?

Granger ISS, Granger Tornado Shelter, Tornado Shelters, Storm Shelters

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.


America'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!

Granger ISS being installed at a company
Features Include
  • 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!

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Granger ISS Information

Granger ISS Shelter Literature, Granger ISS Shelter Info, Granger ISS Tornado Shelter, Granger ISS Storm Shelter

In-ground Safety Shelter

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Installed Shelters

Installed Granger ISS, Installed Tornado Shelter, Installed Storm Shelters See the Granger ISS Photo gallery, showing installed units and families in units!

Leading Manufacturer

Granger Plastics Manufactured by World Leading Rotational Molding Company, Granger Plastics!

Shelter Features

Image 03 Industry leading Tornado Shelter features and innovations! The only Underground Shelter loaded with this many industry leading features!

Granger ISS Dealers

Granger ISS Dealers, Granger Tornado Shelter Dealers, Granger Storm Shelter Dealers, West Kentucky Earthworks Find an authorized Granger ISS Dealer near you today! The Granger ISS has the largest dealer network in the country!
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