Storm Shelters

Storms and Tornadoes continue to cause millions of dollars of damage and destruction, while severely injuring thousands and killing hundreds of people each year. Thousands have entrusted their families safety to the Granger ISS (Inground Safety Shelter). The Granger ISS, is America's leading underground Storm Shelter innovation. Exceeding both FEMA 320 and FEMA 361 debris impact standards for both underground and above ground safe rooms, the Granger ISS Underground Storm Shelter offers industry leading proftection for single families! The Granger ISS has industry leading features such as :

  • 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!

Picture Gallery of Granger ISS Storm Shelters

Product gallery

Granger ISS Tornado Storm Shelter
Granger ISS, Granger Tornado Shelter, Granger Storm Shelter, Underground Shelter
Granger ISS Tornado Shelter, Granger ISS Storm Shelter
Installed Underground Shelter, Installed Tornado Shelter, Storm Shelter in the ground
Granger Tornado Shelter, Storm Shelters, Granger ISS, Installed ISS, Installed Tornado Shelter
7 people inside Granger ISS, 7 fit in Tornado Shelter, 7 in Storm Shelter, Granger ISS holds family of 7
5 Employees from a World Leading Agri-Products that use the Granger ISS
Teen Superstar, Granger ISS, Tornado Shelter Storm Shelter
Granger ISS Tornado Shelter with 4 NFL sized guys in it, Granger ISS Tornado Shelter
Granger ISS, Granger Tornado Shelter, Granger Storm Shelter, Underground Shelter
Granger ISS Tornado Shelter, Granger ISS Storm Shelter
Granger ISS tornado Shelter, Small Business Tornado Shelter
Granger Tornado Shelter, Storm Shelters, Granger ISS, Installed ISS, Installed Tornado Shelter
Custom Granger ISS, Granger ISS unit with Custom Sandstone Granite Door
Granger ISS, Tornado Shelter, Underground Saferoom, Storm shelter New Home
Teen Superstar, Granger ISS, Tornado Shelter Storm Shelter
Granger ISS Tornado Shelter with 4 NFL sized guys in it, Granger ISS Tornado Shelter

Underground Storm Shelter Features & Amenities

The Granger ISS Storm Shelter features a number of options and amenities not found on most other storm shelters! The Granger ISS comes standard with a battery operated LED light, a 4" plug to help keep your air vent clean, articulating handrails, a 1/2" double wall, polyethylene construction, molded in circular seating, a multi-layer composite door that meets or exceeds FEMA 320 and FEMA 361 Debris Impact Standards!

The Granger ISS also is the only Underground Storm Shelter that features a unique, patented design that doesn't require a heavy weight anchoring system. With the ability to install directly into the ground in most situations, the Granger ISS also can be installed in high water table areas, with the right drainage provisions.

Businesses and Families both choose the Granger ISS Storm Shelter!

Recently a number of small businesses and large corporations alike, have invested into the safety and protection of their number 1 asset, their employees. Companies have actively invested and installed Storm shelters into their facilities and terminals, adding an additonal layer of protection to their employees safety plans. Smaller companies and businesses can easily add (1) to several Granger ISS storm shelters at their location to offer industry leading underground protection. Thousands of families and businesses can't be wrong! The Granger ISS is the leading Storm Shelter protection in the United States!

"My experience with fiberglass piping, I knew it was susceptible to fracturing/shearing and could fail catastrophically without warning"

- A Project Engineer from a World Leading Agri-Products Company
submit to reddit