Doors up to 18 feet wide and 16 feet high are available is several levels of protection. All the doors are constructed with 24 gauge steel that is put through a multiple step painting process to protect against rust. All of the doors are equipped with our patented Interforce system, which does not require bulky reinforcing bars to be attached to the back of the panel. Half the size of our competitors our reinforcement is 2 1/4″ and on a Miami Dade rated door is typically only 3 bars.