[SoundEncounters]

I am skipping some of the little photos in between, but the basics behind the box are 4" C-Channel around outside base. That is attached to 6" I-Beam which we recess down to allow channel to sit lower. We used 2" Angle across for center supports and screwed down a 3/4 plywood floor to sit flush at top of C-Channel. I had My brother's work fabricate some 12g steel radius corners and roof caps. I did not want square corners since the truck is so rounded to start. Plus this gave me ability to design the box with no screws exterior. The walls are built with 1" square tubing and the roof is 2" for added stability when we stand on top of it.