I've seen over the years that people on this forum have built rooms to store guns and what not, I have a friend that put one up in his basement, pretty nice room, 10x12 with particle board walls and ceiling, staggered studs with chain link fence between and plywood outside walls. I imagine with the right door it would be hard to get into. The one question that I had for him that tripped him up was what was he going to do for climate control. He didn't put any duct work in from his furnace and guess he didn't really think about it until I asked him. I think a dehumidifier would be enough. Any other thoughts from anyone with experience.