4-inch thick 5,000 psi concrete roof and floor; 3 1/2 inch thick walls
# 3 rebar on 12-inch center with 6" x 6" wire mesh throughout
Unit comes with 12-inch wind turbine ventilation system
Steel door with triple lock system
Steel steps with handrail
Pea grave drain system
F-5 Tornado Rated
30 Year Written Warranty
Free delivery up to 30 miles

Rock dig extra
Add $500 per extra window of 1-inch Lexan glass
Extra charges for carpet, benches, shelves, painting, etc.
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