Steel Safe Rooms

Quality verified Steel safe rooms have rapidly become the most widely accepted storm shelter for today’s consumer looking for maximum tornado protection. With the first above ground safe room built by Dr. Ernst Kiesling at Texas Tech University in Lubbock, Texas in the early 1970’s, our industry has documented and benefited from over 40 years of science and engineering technology in design, construction, and installation of tornado safe rooms. This has lead to safe rooms ranging from small residential safe rooms to very large community safe rooms being constructed in all tornado prone areas of the U.S.

Guidelines for proper design, construction, and installation of safe rooms, whether concrete or steel, were first introduced after the 1999 Oklahoma City tornado. After which FEMA published FEMA 320 documents for residential and FEMA 361 documents for community shelters. They have since updated those documents as of 2015 to FEMA P-320 & P-361, you can view that info Here and Here. The National Storm Shelter Association (NSSA) was formed about the same time for the purpose of independent third party examination and verification of shelter producers to follow these guidelines. Dr. Ernst Kiesling, mentioned above, was the founder of the NSSA. Since then, the NSSA teamed up with the International Code Council (ICC) to publish the 2008 ICC/NSSA Standard for the Design and Construction of Storm Shelters. This along with the FEMA p-361 publication has become the “bible” in the construction industry and for manufacturing companies choosing to comply with these codes and guidelines. The NSSA still maintains it’s non-for-profit status as an independent third party used for verifying that its members strictly adhere to FEMA p-361 and the NSSA/ICC-500 codes and guidelines. Its members must also prove to have a positive record of strong business ethics and practices.

The safe rooms produced by Missouri Storm Shelters, Inc., a member of the NSSA since 2006, all comply with the above mentioned standards and because this is verified, we are allowed to attach the Seal of Quality Verification with registered serial # provided us by the NSSA. Missouri Storm Shelters, Inc. to every shelter we offer. Virtually all governmental and commercial shelters
Installed by us (some listed on the Home Page) were required by the owner to have the NSSA Seal of Quality Verification and home owners should too.

Steel prefab shelters are custom built to size with the standard sizes from 3′ up to 24’ in length. Bolt together units are pre sized with great applications for interior rooms or basements as well as garages. All steel shelters are anchored to a concrete slab to meet the specs above, including proper cubic yardage relative to the size of the safe room and MUST have steel reinforcing such as wire mesh or rebar.

Now, the added bonus’ about our quality verified safe rooms

  1. They can be moved with the owner if the owner moves.
  2. Locking up your valuables and using it like a safe? Absolutely!!
  3. But the BEST application in addition to storm protection is INTRUDER protection. Every safe room has the potential to double as a PANIC ROOM!! If the wife and kids are home alone at night and she hears or sees someone “snooping” around the yard, she and the kids can get into the safe room, bolt the door shut and call the police on her cell phone. Their SAFE! End of story until the police arrive.


  • 29”-35” door weighing 250+ lbs
  • 3 Hinges supporting over 1,000 lbs each
  • Combination 1/8″ &/or 3/16” thick steel construction
  • 3 one inch steel door latches takes 48,000 lbs to bend & 63,000 lbs to break


  • Inward opening door to prevent entrapment
  • 3/4″ anchor bolts are set 13” apart to anchor shelter to slab, exceeding FEMA standard of 1/2” anchors spread 22” apart
  • Each anchor bolt has 10,000 lb pullout and 14,000 lb shear off rate
  • Debris Deflectors cover open vents to prevent debris from entering shelter


  • Removable debris deflectors for emergency access to interior latches
  • Handicapped accessible door on shelters 3.5 ft wide and larger (exluding 4’x4′)
  • Removable hinge pins for easy door removal

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