Tornado Shelter features

Granger ISS

When most consumers are considering the purchase of a Tornado Shelter, they are taking a conscious effort in providing the safest environment possible for their family. For many, purchasing a Safety Shelter is an investment into their familie's safety for many years to come. Tornado Shelters come with varying features. Some Tornado shelters offer basic protection without offering any "comfort amenities" such as lighting, seating or carpet. Some shelters do not even offer the spacing for any occupants to stand in! The Granger ISS Tornado Shelter is not only one of the most durable Tornado Shelters in the industry, it also offers a complete array of features and amenitites.

In-Ground Safety Shelter

Tornado Shelter features

The Granger ISS Tornado Shelter has industry leading features that no other Stom Shelter has including: Scroll over any of ther underlined features to see the Tornado Shelter feature pop up

FEMA 320 specification exceeding Storm Shelter door

Double Wall, 1/2" thick (each wall) Polymer Construction

3 Step Molded Entrance (Not a Ladder Style Entrance!)

Articulating Handrails to assist entry to Storm Shelter

Battery operated LED lighting system included!

Lifetime warranty against cracking, leaking and floating!

Molded in circular seating

Gas assisted shock for easy door opening & closing

3 point locking system for extra security!

Carpet

Molded in 4" ventilation

Rotationally Molded Vent Cap

500+ year life span!

No anchoring required for typical installations!

The only Tornado Shelter with a Safe Room/Panic Room quality door!

See the NEW Granger ISS door exceed both FEMA 320 & FEMA 361 testing!

See the new generation of Granger ISS Tornado Shelter doors under go FEMA 320 & FEMA 361 testing at Texas Tech University's Wind Science & Engineering Research Center. The Granger ISS is an underground Tornado Shelter, so in theory, it only needed to be tested to FEMA 320 standards. Due to the high quality engineering staff at Granger Plastics, the Tornado Shelter door not only meets or exceed FEMA 320 standards, it also meets Above Ground Safe Room criteria by exceeding the FEMA 361 standards. The same door passed (2) tests, being impacted (3) times by a 15 pound 2 x 4 at 67 mph, then seeing an additional (3) impacts, by a 15 pound 2 x 4 at 100 mph. Even though the second test was unnecessary due to the Granger ISS Tornado Shelter being an underground unit, but went forward with the more grueling test anyway to display Granger's commitment to safety, innovation and quality. This is all just another example of why Granger Plastics produces the best tornado shelter available for single family consumers. Granger Plastics has been manufacturing Tornado Shelters for over 15 years currently. Even gaining international attention as early as 10 years ago from Internationally recognized publications such as Plastics News, USA Today and a number of news channels and media outlets across the country!

Tornado Shelter Doors & Handrails in action!

In this clip, you see how easy the door is to open, how simple the handrails are to use- and how fast, easy and secure the FEMA 320 exceeding Storm Shelter door is! Leading innovations that keep the Granger ISS on the leading edge of the Storm Shelter industry!

Tornado Shelter Aux Box

Aux Box Information

Granger Plastics is proud to offer the Aux Box, a solar powered or re-chargable battery powered, power supply alternative. As we all know, typically when a strong or severe storm strikes, the power and landline phone service is usually interrupted. Many consumers inquire about running conduit and electricity to their Granger Tornado Shelter, which is very possible. Now Granger Plastics offers an alternative solution to your Tornado Shelter auxillary power supply needs, the Aux Box.