The Corner Unit Storm Shelter is an above-ground steel safe room designed to protect 3–4 people from EF-5 tornado winds and flying debris. Built to meet FEMA 320/361 and ICC-500 standards, this compact shelter installs on a reinforced concrete slab and fits cleanly into a corner of a garage or interior room, making it ideal for homes with limited space.

Price: $6,400*
*Price does not include sales tax or shipping/install

Corner Unit Storm Shelter Specifications

  • Occupancy: 3 – 4 People
  • Weight: 1,700 lbs.
  • 1/4-inch steel panels
  • 3/4-inch diameter Grade 5 bolts
  • Three 1-inch bolt-action door locks
  • Upper and lower passive airflow vents
  • Durable powder-coated steel
  • Indoor or outdoor* applications (*not 100% waterproof)
  • Shelters are able to be relocated at a later date
  • 5-Year Limited Warranty

 

Safety Certifications & Testing (What They Mean for You)

This shelter is certified to withstand EF-5 tornadoes, meaning it is designed to protect occupants during winds exceeding 200 MPH and extreme debris impacts.

 

Independent Testing & Standards

Why this matters:

These standards are specifically written to keep occupants alive during the most violent tornadoes ever recorded, not just average storms.

Ballistic & Debris Impact Protection

In addition to tornado wind resistance, this shelter is rated NIJ Level IIIA ballistic protection, meaning it can stop:

  • 9mm handgun rounds
  • Shotgun rounds

This level of ballistic testing reinforces the shelter’s ability to withstand high-energy debris impacts, which are often the most dangerous part of a tornado.

Corner Unit Tornado Shelter Installed in a Corner of a Garage

Door & Customization Options

You can configure this shelter to match your needs:

  • Left-hand or right-hand door swing
  • Combination or keypad lock upgrades
  • Custom powder-coat paint colors
  • 1.25″ bullet-resistant polyurethane window in the door
    • We are currently the only company in the market offering this option
  • Military-grade NIJ Level III steel upgrade
  • Expandable and modifiable for future needs

Installation Options

 

Professional Installation

Our trained installers ensure:

  • Proper anchoring into reinforced concrete
  • Correct bolt torque and spacing
  • Door alignment and seal verification
  • Compliance with FEMA and ICC standards

DIY Storm Shelter Kit

This unit is also available as a DIY kit for experienced installers or contractors. Detailed installation instructions and anchoring requirements are provided.

Designed for Real Homes — Not Just Blueprints

The Corner Unit Storm Shelter was engineered for homeowners who want certified tornado protection without sacrificing valuable garage or interior space. Its corner-mounted design allows it to sit flush against two walls, preserving open floor area while still providing the same level of protection found in larger safe rooms.

We regularly install corner units across Iowa in garages, utility rooms, and basements where space is limited but fast, stair-free access during severe weather is critical. This model is especially popular with couples, roommates, and small families who want protection without a large footprint.

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