The Granger ISS Tornado Shelter provides a number of leading technologies as well as amenities only found on the Granger ISS. With an industry leading life span, strength and warranty- ensure your families near absolute protection from a tornado, storm or inclement weather event.
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Durable Foam Filled Polyethylene Construction – The Granger ISS is rotationally molded Tornado Shelter, manufactured from Polyethylene, among one of the most resilient materials on earth. The body of the ISS Tornado Shelter has a double wall construction, featuring a 1/2 inch wall on the interior and a 1/2 inch wall surface on the outside. The interior of the underground tornado shelter wall surfaces are filled with a non VOC foam building additional -toughness, rigidity and also condensation control.
Reverse Taper Design – The design and shape of the Granger ISS is one of its most unique features. The units has a reverse taper design which means it is wider at the bottom than it is at the top. This innovative reverse taper design feature allows for the underground shelter to be installed directly in the ground without an additional anchoring system. No messy concrete or complicated installation is needed. In fact, it’s the easiest tornado shelter on the market to install.
Easiest Installation Available – A typical installation of the Granger ISS usually takes 4 hours or less. Simply dig the hole, properly position and level the tornado shelter and backfill with the dirt pulled out of the ground. The ISS can be installed outside an existing home or in new construction and even be retrofitted into certain areas. The Granger ISS Tornado Shelter features the easiest installation of any underground tornado shelter!
Triple Panel, FEMA 320 and 361 exceeding Door – The door is one of the most fundamental parts of any sort of any below ground shelter since that is exactly what is between you and the tornado or inclement weather system. A door needs to be examined for safety and security adhering to the FEMA 320 or FEMA 361 guidelines that tests the durability of the door to withstand particles of flying debris at wind speeds of 250 MPH. The door of the Granger ISS Storm Shelter is an innovative design layout that consists of a dual wall polyethylene exterior panel, a double wall polyethylene interior panel and also a sheet of polycarbonate secured between for optimal security and protection.
Dual Gas Assisted Shock System – Any style of door developed to safeguard you and your family versus a tornado is most likely going to be heavy. Though lighter weight compared to various other underground storm shelters, the polyethylene construction of the debris impact exceeding door of the Granger ISS Tornado Shelter is no exception. To make sure the most convenient entrance and exit possible, each Granger ISS shelter features two gas assisted shocks to help open and close the door.
Triple Locking System – The Granger ISS Tornado Shelter Door has a triple locking system to ensure the highest degree of safety and security as well as closure.
Custom Color Doors – Reduce the look of your tornado shelter or personalize the door to blend in with your residence. The special, unique features of a custom colored door and vent allow the Granger ISS to look the way you desire. Pick green to blend in with turf and landscaping, gray granite to blend in with a concrete flooring or brown granite to blend in with mulch or other landscaping features. Lots of other colors available upon request including your favorite team or school colors!
Articulating Handrails – Each Granger ISS features articulating handrails that can be utilized for a more safe, secure and simple entrance into the storm shelter system. When not being used the handrails fold down and do not occupy important interior space. They can be easily, quickly elevated and locked into position upon exiting the unit for increased safety.
Easy, Three Step Entrance– With only three steps down to the seating of the unit, entry into the Granger ISS takes only seconds. The vertical entry is easy for most people and does not impede on the interior space.
Molded In Seating – The Granger ISS exceeds FEMA requirements for 6 adults though several more can fit in an emergency. Molded in circular seating allows occupants to sit comfortably with seating taking up as little space in the interior of the underground storm shelter unit as possible. Even taller occupants will be able to sit straight with plenty of headroom, or stretch their legs by standing in the entry area.
LED Lighting System- Each Granger ISS tornado shelter comes complete with LED lighting. Simply touch the light upon entry to see inside the unit when the door is closed. Each unit comes with one LED light though additional lighting can be added.
Limited Lifetime Warranty – The Granger ISS is warrantied through the lifetime of the original owner for cracking, leaking, rotting, rusting or any type of deterioration of the body of the unit. This warranty also covers any other material or manufacturers defects. The Limited lifetime warranty is the most comprehensive warranty of any tornado shelter on the market!
Separate Door Warranty – If a tornado shelter door is damaged in a tornado, many experts warn the shelter may no longer be safe. The door of the Granger ISS is replaceable if damaged which is a unique feature on its own. However, Granger Plastics Company offers a separate warranty on the door of its unit to its customers. If the door of your Granger ISS is damaged in a verifiable tornado Granger Plastics Company will make sure it is replaced at no additional cost to the homeowner.
Guaranteed Not To Float – The Granger ISS is guaranteed not to float! Granger Plastics works with a variety of qualified installers for self-installation or also offers turnkey pricing including full service installation. Any tornado shelter installed by an approved installer is guaranteed not to float!
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