I have a 14' inflatable that I want to replace the bench seats with pedestal seats. Has anyone done this? I assume the way to do it would be to drill holes for the mounting hardware, countersink the bottom of the floor boards a bit to let the head rest inside and push the bolts upward rather than having them sticking down underneath the floorboards.
The aluminum floor boards are about .5" thick. If anyone's done this, please share your process and pics if possible!