Underground Storm Shelters

Learn more about our outdoor underground storm shelters

Our outdoor, concrete, underground storm shelters are manufactured by our sister company, RN Concrete Products Inc, and are joint-installed by Ground Zero Shelters, Co. and RN Concrete Products Inc. These storm cellars can be installed in your yard, allowing fast access in an emergency. RN’s outdoor concrete storm shelters provide superior safety from even the most violent tornadoes.

Get more details about our underground concrete storm shelters below:

  • 6" flat vent and 6” wind turbine for ventilation
  • Shelter walls are over 4” thick and are reinforced with steel rebar inside
  • 4 skid resistant steps with double safety handrails, or EZ Step option has 5 steps that are more like stairs
  • Hydraulic pressure lift door, heaviest in the industry, made with 10-gauge steel and a 3-point locking system
  • Minimum of 5,000 psi concrete; average weight of 14,000 lbs
  • 2-piece unit with sealer between parts
  • Above ground area approximately 2 to 2 1/2 feet on slope front
  • Storm cellar installed in about 2 hours
  • Requires 10’ straight shot backup to the hole or a 14’ wide opening with a 14’ high clearance if the semi has to turn in any way.
  • 10 year manufacturer warranty held by RN Concrete that there will be no leakage in the concrete structure
  • We give you the GPS coordinates at the time of install so you can give it to your local fire department or emergency management office for registration
  • Underground storm shelter door has been impact tested at Texas Tech Wind and Science Institute
  • Our shelters meet and exceed current FEMA and ICC standards
  • Storm shelter appearance can be enhanced with landscape timbers, rail road ties, and stone
  • We also offer stamped and stained concrete options for an additional cost
  • Check your city ordinances for location specifications

 
Available in 3 sizes and 3 styles:

  • Slope Front: 6’ x 8’ x 6'2" – Up to 16 people
  • Flat Top: 6’ x 8’ x 6'2" – Up to 16 people
  • EZ Slope: 6’ x 8’ x 6’2” – Up to 16 people
  • Jumbo EZ Slope: 6’ x 10’ x 6’2” – Up to 20 people 
Click here to download installation requirements for underground concrete storm shelters

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* Confirm your order with 10% down payment. Note: Downpayment is non-refunable.