Toughness not only indicates superior protection again robbery, but also against flame. For this increased terminate protection, Liberty started from a thicker 11-gauge steel (also will increase security), then they used far more fire board than is commonly found in competitors very much the same safes. In the hallway, doorjambs and the house, Liberty uses three levels of 5/8" fire block and 2 layers in the entire walls of the FATBOY. Furthermore, it comes with a superior heat activated door seal that can help seal out both heat and the smoke. The safe along with 83, 000 BTU rating and definately will withstand a 1200 - 1400Ë 's F fire (which is normally hot! ) for roughly 60 minutes. My websites: