hmm never seen them use plywood behind it. Im a new constrution plumber and never seen that done that way i always see them just nail it to wall.
and another thought is why not use the metel studs instead of 2x4 wood they now use to build with? they dont rust, made of tin i believe.
They are galvanized steel and are fine for walls in a building, But have you ever seen one used as a structural support like a floor joist? Also, how would you attach them to a hull?
I was at Lowe's today and was looking at the 1/4" Hardie board for sawfit material...very smooth surface on both side...it weighs about double that of the same material in wood...they claim it is water and moisture resistant and will not mildew...it's about 22 bucks a 4X8 sheet...I tried to bend the stuff but it is very rigid and looks like it might be strong enough for deck material...have you seen this stuff Eute?
I was at Lowe's today and was looking at the 1/4" Hardie board for sawfit material...very smooth surface on both side...it weighs about double that of the same material in wood...they claim it is water and moisture resistant and will not mildew...it's about 22 bucks a 4X8 sheet...I tried to bend the stuff but it is very rigid and looks like it might be strong enough for deck material...have you seen this stuff Eute?
I think using backer board would be right up there with the Thunderbird trihull I bought last year for it's motor, the guy screwed down OSB for a new deck, over top of what was left of the old deck, troweled the seams and rounded the edges with mortar, then poured masonry floor leveler over the wood, then glued down flowered Armstrong Linoleum. I guess he did kitchen or bathroom floors for a living. The boat was so heavy by the time he was done the spashwell would fill with water with the boat empty. I borrowed a jack hammer to bust up the deck just to lighten it up enough to scrap it.