• Concrete Shelters are poured with concrete that cures to 6000psi and reinforced with 1/2" steel rebar every 9" both directions.

• The 6'10" x 10' shelter features 4" thick walls and 5" floor and ceiling with an inside height of 6'3".

• Steel door with 3 point locking system and a gas strut for easy open and close.

• 6'10"x10' design allows for a 12 person FEMA rating and weighs 20,000 Pounds!

• The 6'x8' model is rated for 8 people.

• Installs in under 4 hours and comes with a 10 Year warranty.