Industry Leading Near Absolute Protection

Underground Tornado Shelters, Tornado Shelter, Inground Tornado Shelter

Innovative Design exceeds FEMA 320/361 & ICC 500 Standards.

Tornado Shelter Door, Underground Tornado Shelter Door, Storm Shelter Door

Durable double wall, structurally foam-filled, rotomolded construction offering 1,000+ year lifespan.

Tornado Shelter Door, Underground Tornado Shelter Door, Storm Shelter Door

Industry Leading Multi-layer Door Design. Features a lifetime Door Replacement Warranty.

Where will your family go during a Tornado?

  • Built To Last

    Durable, rotationally molded Polyethylene construction, providing a scientifically proven lifespan of greater than 1,000 years.
  • Exceeds FEMA 320/361 & ICC 500 Standards

    Debris impact tested at Texas Tech; Certified stamped engineered drawings exceeding applicable FEMA 320/361 & ICC 500 standards.
  • Internationally Recognized Manufacturing Leader

    Over 2 decades of Rotational Molding excellence, Granger Plastics is your familys best safety bet for near absolute tornado safety!
  • Safety & Peace of Mind

    With a growing Tornado threat across the U.S., the safety and peace of mind of having tornado protection for your family is invaluable.