Commercial sized tornado shelters and safe rooms that can accommodate anywhere from a small group of contractors to hundreds of people with just a moment’s notice. Constructed from solid 1/4″ plate steel, these customizable safe rooms and shelters meet all federal specifications and are certified by Texas Tech National Wind Institute in strict accordance to FEMA 320 (2014), FEMA 361 (2015), and ICC-500 (2014) standards for wind-rated impact of 250 mph ground speed tornado events.