Item 1
I have a gap between my 2” square tube and the bottom of the wall. I shimmed the space where the floor met the trailer in the spots there was a bit of warping from weld up in a couple places.
Plan is to stuff insulation into the space behind the wall skin so I can fill the space with dicor lap sealant. Once done I plan to attach my bottom mahogany trim. It is two pieces shiplapped that equals 4” X 1/2”
Lower piece will fall below the seam (it is cut narrower). I will need to follow a straight line fore and aft to hide the warp which will be above. Then I plan to attach the upper piece to make one solid 4” trim piece. Any proud areas of the 1/2 “ pieces lapped should be minimal enough to sand flush.
I plan to attach the bottom piece with countersunk flathead machine screws.
Q 1. If I countersink them at 1/4” depth is a 1/4” enough to epoxy a mahogany plug and successfully trim flush with my wood chisel?
Q 2. Should I leave the lower piece floating or dicor it to the steel frame?
I plan to mix epoxy and Micro-balloons to glue the upper piece to the wall and use the epoxy to glue the ship lap as well. Plan is to use pan head screws and once it goes off remove the screws drill out and epoxy wood plugs through the trim and wall into the cleat to maintain the attachment.
Q 3. Should this be strong enough to replace my temporary wall to cleat attachment which are bedded screws and remain watertight?
Other suggestions as how to proceed?