Exterior Underground Concrete Shelters

 

Underground Concrete Specifications
● 100” x 76“ x 84” -
● Seats 8-10 Comfortably
● Reinforced Steel Door
● Gas operated door closer / opener
● 6000 PSI concrete construction
● Steel reinforcement in concrete
● Double handrail on steps
● 8" wind turbine for ventilation
● 6" vent
 Exterior Underground Concrete Shelter
Concrete Safe Room  Exterior Underground Shelter Front

 


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