Underground Bunker Steel or Concrete
Our Underground Bunker is a great option. The Bunker is custom built for your needs. They are designed to protect families. They meet and exceed FEMA standards and they will Not Float.
8’x20′ Bunker
Door to Bunker
Inside a Bunker
Bunker and Safe Room
Basement
Concrete Bunker
Inside Concrete Bunker
10′ ladder into Bunker
Underground Bunker will protect you, your family, and even your business against Tornadoes. All of our Underground Bunkers are custom built. They can be made with Steel or Concrete. We design the bunker to meet your needs. If you would like to see some More Bunker Pictures click on this link —> More Bunker Pictures
Our sizes start at 8’x10′ and go to 8’x30′ and the height is 6′ to 8’H
You can call us at 405-367-7901 from 7am-10pm every day.
Bunker Specifications Steel
- The door on this is 4’6″ long and 30″ wide
- Made with 1/4″ Steel
- Stairs are outside of the bunker dimensions
- Door Seal
- Double Handrails and non-skid Strip Tape
- Screens will be on Vent Caps
- Commercial epoxy coal tar on outside of bunker
- 3″ channel on 2 foot centers
- 3″ flat bar on bottom 2 foot centers
- Common Gray color on inside
- When we install the bunker we pour concrete around the bottom of the bunker (we can also add hooks or shelves if you like for an additional cost)


Underground Concrete Bunker
This type of storm shelter is used by people that need to put a lot of people into the shelter. It can be used for storage. The underground bunker is leak proof.
At Oklahoma Shelters we specialize in helping you and your family from bad weather and tornadoes. We have several items that you can choose from. We have Steel or Cement Underground Bunker. Underground Garage Shelters. Underground Cement Shelters and Steel Safe Rooms. All of our products come with a warranty for 10 years against leaks and corrosion.
- 13’x13’x6’8″H or 10’x17’x6’8″ or larger
- 10 foot long staircase
- Minimum 6″ thick floor, walls and ceiling
- Double reinforce with rebar and fiber mesh
- Steel door rated for an EF5 Tornado Underground Concrete Storm Shelter
- Door frames are cast into the wall
- 3 latches on each door on inside
- Vented top
- We can provide cutouts for Electric, other wiring, and AC
Contact us for a no cost, no obligation consultation today at 405-367-7901