We meet/exceed all FEMA specifications required for the production of storm shelters.
Feel free to look below for more info on specific rules and regulations.
Currently we use Self Consolidating Concrete, Also known as SCC, in all of our storm shelters. SCC is chemically induced in order to create an extremely low water to cement ratio. Recent testing has shown test cylinders breaking over 7800 psi. This greatly exceeds FEMA’s requirements for concrete strength.
Our primary method of reinforcement is part of what makes our concrete shelter stronger than others. We use 3/8” Grade 60 Rebar, which meets ASTM specification A615. We place Rebar 12” from center to center and it is welded at the joints for superior strength.
Our original Shelter Door design was submitted to the Wind Science and Engineering Research Center for Debris Impact Testing, at Texas Tech University. Impact Testing Succeed FEMA 320 and ICC-500 guidelines for 100MPH Impacts produced by a missile, propelled by a 250 MPH tornado.
To learn more about how Texas Tech University conducts their research click the button below!
Hydrostatic testing is defined as the way in which pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks.
In the midst of a heavy storm, water can cause shelters to dislodge from their permanent placement if not weighted and seated properly. We have conducted Hydrostatic Testing to insure that our shelters stay water tight and in place through any storm. You can review a copy of our buoyancy report below.