Forum Discussion
Mike_Ehrmantrau
Oct 27, 2015Explorer
shepstone wrote:
Here is my suggestion. & I am familiar with residential and commercial construction but not so much with rv's.
How strong is the remaining luan at the edges of the tub and oposite wall? Is it strong enough to glue a sheet of plywood to it with a v notched trowel at 100% coverage? Then if needed, screw into the steel studs that you can find getting the screw heads down to just below the surface( mark the studs out first). The additional smaller "tubing" could be conduit for electrical, so avoid screwing into that. One continuous sheet of paint grade ply would be best if you can get it into there, it wouldnt need to be too tight , leave a gap of about 1/4" all round , test fit first .You can use a spray foam to fill the gaps if needed and cut it to the surface when it dries, (use masking tape around all the existing edges) then fill the screw holes use molding around the edges and sand and paint with bathroom / kithchen paint . Remember to caulk at the tub surround and at the floor.
Thanks for the suggestions.
I am hoping the square tubing is not electrical, as the manufacturer put a dozen or so brads into it to hold up the original luan.
As I pulled away the dry rotted luan, I see that the square tubing is spot welded to the vertical metal beam. I am still not sure what the metal is made of but the vertical beam is much thinner than the horizontal running square tubing.
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