How do? I have just bought a new house and I will have to move my guns shortly and the place in the property I am looking to move them to has thick walls with no windows and is attached to the back of the property. The room is approximately 3 meters wide by 4 meters long and I was thinking instead of putting my cabinet in I could put a steel door in and have a walk in gun cabinet. The answers I need to know are what are what are the legal specifications for doing this e.g thickness off steel and do I have to use drop locks? Does anyone else have a setup like this and what have you done? Is there any chance someone could put photos up of there's or someone I know so I could get some ideas?