![]() ![]() After completion a serial number is affixed to the shelter and a certificate issued stating that all components used by Protection Shelters LLC in construction of Tornado Shelters – doors, vents and louvers - have been tested, inspected and passed by the National Storm Shelter Association and Texas Tech Wind Science & Debris Impact Testing (the company that does testing for FEMA) - and meet the standards for design and construction of FEMA P-361, April 2021 Fourth Edition 2021 4th Edition and ICC 500 2020 Edition. The roof is coated with sealer and concrete UV elastic membrane covering which will help keep temperatures cool in the heat of summer. All of our Group Shelters are built with 8” walls and have full sized handicap accessible 36” doors. When determining what size to build the square footage should also include another 15% beyond the footage for occupancy to allow for supplies – totes or cabinets with first aid, water, flashlights, etc. View GalleryįEMA, the National Storm Shelter Association, and ICC 500 current guidelines for a “group” shelter state that you should allow 5 square feet per person with allowance for at least one 10 square foot for a wheelchair (more if for more than 200 people). These shelters are built with 4” thick walls made of reinforced fiber as well as steel rebar and poured to a minimum 6,000 psi concrete. ![]() The exterior has a stamped, textured concrete finish making it easy to paint or stain should you wish to do so. There is an 8” ball bearing turbine and 6” vent. The door has a gas/air operated shock/door closer, has been painted with a metal primer and has greaseable hinges with 3 locks. It is imperative that the hole has a level bottom at the 53” mark. We will take care of the installation however should you wish to dig the hole yourself this shelter requires an 8’ wide x 10′ long x 53” deep hole to be excavated. Our below ground concrete shelter has double hand rails (1 on either side) of the 5 step (non-slip tread plate) 10” rise stairs and is approximately half underground with half showing above the surface. Shelter is rust and corrosion proof for longer life. This shelter is welded on inside and outside for leak resistance and structural integrity. ![]() The door has 3 grease-able steel hinges, 3 deadbolts and a gas air operated shock to aid you in opening and closing the door. This shelter has 7 non-slip steps constructed of expanded metal on the same incline and decline as normal basement stairs, a hand-rail the full length of the stairs, is pet and elderly friendly and comes with a bench. Our steel below ground shelter is totally buried in the ground with only the wind turbine and door showing above ground making it possible to plant or place things “on top”. Below Ground Tornado Shelters Photo Gallery ![]()
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