This shelter is made with concrete and built to FEMA 320 specifications, which is the standard for the building of residential shelters. The steel door has been tested at Texas Tech Wind Science and Debris Impact Testing Center and is rated for 250 mph winds or EF5 tornado. This shelter is constructed from concrete that tests at 6,000 PSI and has reinforced steel bar and fiber mesh for additional strength with 4” walls. This Concrete shelter can be attached to your existing pad/patio.
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