A pry bar or crow bar may be needed. Will take an hour or so to complete. 3.I'm looking to repair some soft spots in my floor. It is not water damage, but where the foam has compressed in heavy use areas. Hi I am writing to report on my use of fiberglass reinforced panels (FRP) as siding on my teardrop trailer. This is not a recent build. Needs to be lumber 2 X 6 or 2 x 8 or 2 x 10. Decking will not work, to thin. I just recently bought a slightly used 7 x 14 cargo trailer that has nothing in it. Available in large sheets up to 54" x 96".