

The Tornado Shelter door, bullet resistant panel upgrade option now being offered, will continue to add to the level of protection offered from this unique multi purpose shelter. The multi layer polymer door was tested at Texas Tech’s Wind Science & Engineering Research Center Debris Impact Test Facility, to meet or exceed FEMA 320 and FEMA 361 specifications. The Granger Plastics Company continues to add innovation to the construction of the Granger ISS underground tornado shelter by adding a bullet resistant panel upgrade option to the industry leading storm shelter door. Other colors for custom upgraded doors for Tornado Shelters include a grey granite, dark grey, terra cotta and more! Please ask your dealer for pricing and details on custom color options when ordering your Tornado Shelters! Storm Shelter Adds Bullet Resistant Panel Option to Door Tornado Shelter Color Door Upgrades - Solid Lt. Tornado Shelter Color Door Upgrades - Sandstone Granite Tornado Shelter Color Door Upgrades - Forest Green Watch the video below, as the same storm shelter door successfully withstands both tests! Tornado Shelter Door FEMA 320/ FEMA 361 TestingĪll Granger ISS Underground Shelters now come standard with the multi-layer composite door! The only multi-layer composite door that meets or exceeds both the FEMA 320 Underground Storm Shelter and Safe Room debris impact standard and the FEMA 361 Above ground Safe room Debris Impact Standard. The multi-layer composite door not only exceeded FEMA 320 debris impact specifications, yet also successfully exceeds the FEMA 361 testingabove ground saferoom doors! Watch the web video below to see the Granger ISS Storm Shelter door undergo debris impact testing at the WISE lab at Texas Tech University.

Granger Plastics Company has effectively produced and successfully tested (2) light weight aluminum doors in years past, only to continue its innovations to successfully test a brand-new multi-layer composite door. Granger Plastics has now made and produced multiple storm shelter doors that meet or exceed FEMA 320 Debris impact standards. Edwards Deming procedures on total high quality production and innovations. Granger Plastics prides themselves on exercising W. 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! 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. The Granger ISS image gallery contains several images of the Underground Shelter units installed, being installed or being occupied. No anchoring required for typical installations!.3 point locking system for extra security!.Gas assisted shock for easy door opening & closing.Lifetime warranty against cracking, leaking and floating!.Battery operated LED lighting system included!.Articulating Handrails to assist entry to Storm Shelter.3 Step Molded Entrance (Not a Ladder Style Entrance!).Double Wall, 1/2" thick (each wall) Polymer Construction.FEMA 320 specification exceeding Storm Shelter door.Scroll over any of ther underlined features to see the Tornado Shelter feature pop up The Granger ISS Tornado Shelter has industry leading features that no other Stom Shelter has including: Some shelters do not even provide the spacing for any occupants to stand in! The Granger ISS Storm Shelter is not only one of the most durable Tornado Shelters in the industry, it additionally supplies a complete array of features and amenitites. Many of these underground shelters are made from inferior materials that will immediately begin to deterioriate once placed in the ground, such as concrete or steel. Some underground storm shelters offer basic defense without offering any type of "comfort services" such as lighting, seating or carpeting. Tornado Shelters come with a wide range of features. For many, acquiring an underground shelter is an investment into their family security for many years to come.

When most consumers are thinking about the investment of a Storm shelter, they are taking a concious effort in providing the safest environment possible for their family. An added feature of the Granger ISS is that without an anchoring system, the unit can be moved in the future if necessary.

This allows for faster and less expensive installations. Unlike many less innovative Tornado Shelters, the Granger ISS does not require an anchoring system in most typical installation scenarios. The Granger ISS Underground Stom Shelter comes complete, ready for installation when it arrives at the installation location. The Granger ISS Tornado Shelter is the only Tornado Shelter manufactured by an internationally recognized manufacturing leader who has produced Tornado Shelters, for nearly 20 years.
