The Granger ISS image gallery contains several images of the Underground Shelter units installed, being installed or being occupied. Please click on the thumbnail image below you wish to see in the larger main image viewing area to see the Granger ISS Storm Shelter image. Below the gallery section, we have a number of videos showing features, Third Party Testing, Research and so much more! The Granger ISS is the industry leading, Storm Shelter innovation in America!
The Granger ISS Storm Shelter provides underground protection in comfort, with enough space for a more people than an average size family. The video above shows a family of 7 (Yes, SEVEN!) comfortably fitting inside of the shelter and still having ample room for either supplies or more people! Whether your considering Storm shelter protection for your own family, your family members or even friends and neighbors, the Granger ISS Shelter offers a limited lifetime warranty with an industry leading 1,000+ year lifespan! The Granger ISS, the only Tornado Shelter protection your family will ever need!
Watch the video above, to see the Granger ISS Triple Layer Composite Door, under go (2) series of tests- and PASS! Where as many competitors fail a single test with multiple doors! The Granger ISS Door offers some of the best level of protection offered in the Tornado Safety protection industry! The Granger ISS Door is also backed by internationally recognized plastics industry leader Granger Plastics, door replacement guarantee. If you door is damaged, in a verifiable tornado, Granger Plastics will replace your door free of charge! Just pay shipping & handling and your new door is on it's way! Many inferior designed Storm Shelters will require a complete shelter replacement if you door is damaged. While several Storm Shelter competitors doors actually put you in harms way of flying projectiles, the Granger ISS shelter door does not have that issue! See the Granger ISS Features page to learn more about the Granger ISS Storm Shelter door!
See the Granger ISS go from start to finish! See the intricate and carefully crafted custom Molds being loaded with certified virgin prime compounded materials. Watch as the tooling goes thru its cycles on state of the art Rotational Molding equipment. See the unit quality inspected, welded, loaded on a truck- even installed in the ground! The Granger ISS is America's top selling Tornado Shelter! With industry leading one-half inch, Double Wall polymer construction. The Granger ISS is another Rotational Molding innovation, from the internationally recognized Rotomolding leading Plastics Company, Granger Plastics.
See how easy this small child enters and exits the Granger ISS Storm Shelter! The Granger ISS Tornado Shelter features an easy to descend, molded, 3 step entrance with articulating handrails.