CNN CNN Newsroom May 23, 2013 19:46:00
Their lives. and now a lot of parents are coming forward and they're saying that every school should absolutely be required to have some sort of safe room. andrew joins me now. he's a co-owner of oz safe rooms. one of these huge concrete structures to, as you say, they've been proven to avoid destruction from an ef-5 hit. >> what separates us from any other mason t in the world is the process in which we pour the concrete. we pour the footers, the floor, the walls, the ceiling in one continuous pour. my father has been working hard with rit and before we go out and tell families, look, here, g...