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40’ Community Storm Shelter (Up To 49 People)


Storm Safe Room Protection for All.

  • Spacious Design That Accommodates Up To 49 People Comfortably
  • Meets Or Exceeds All FEMA 361 and ICC-500 Guidelines
  • Built To Withstand Up To Category EF-5 Tornadoes and Hurricanes
  • Features Two ADA-Accessible Doors


When your school, organization, or municipality is looking for an affordable, high-quality community storm shelter, there is no better option than Stormbox. Our storm-safe rooms offer robust protection from severe weather, hurricanes, tornadoes, and more. The 40’ Stormbox can accommodate up to 49 people at once and is the perfect community storm shelter option for businesses and schools that need to protect a large number of people. Need to protect more than 49 people? Our team and we will work with you to find the appropriate protection for everyone. Start by contacting us for your free quote today.


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  • Dimensions: 8’ wide x 8’-6” tall x 40’ long (320 square feet)
  • Shelter weight: 13,710 lbs, Foundation weight: 117,333 lbs
  • Door dimensions: 3’3” wide x 6’9” tall (ADA accessible) with two doors per unit
  • Built with the following steel specifications: All structural steel plates and angles are ASTM grade A36 Steel. Rectangular steel tubes are ASTM grade A500. All structural steel tubing has ¼” thick walls. All welds are inspected by a CWI (Certified Welding Inspector). All inspections meet IBC Ref: 1704.3.1
  • Paint system is rust and corrosion-resistant.
    • Interior: Water Borne.
    • Exterior: Urethane Industrial Strength (Standard for Automakers)
  • Triple-locking door system for extra safety and security
  • 20 AMP, 110 Volt electrical service is needed. Both exterior and interior lights have a 90-minute emergency back-up battery.
  • Convection air ventilation system included
  • Installation and foundation available (call for pricing)
  • Foundation (required spec): 16” reinforced 4000 PSI concrete
  • Shelters meet FEMA 361 and ICC 500 codes with 250 MPH wind rating. Wall sections and doors successfully passed Texas Tech Wind Research Institute simulated tornado missile impact test. Shelters are designed and sealed by a Structural Engineer.