Plywood Thickness For Boat Floor

It s in decent nick but i m wondering about the merits of replacing with say 18mm especially as the main back cabin structure will be sitting on it.

Plywood thickness for boat floor.

Note that even though the plywood has been snapped and left exposed to rain and wind it still holds its integrity. The subfloor is the decking installed on top of flooring joists. The soon to be back cabin area of the boat is currently floored with 1 2 inch ply. The thickness of plywood.

Photo d is a piece of plywood from the floor of a boat wreck. Any fiberglass boat pre about 1980 and any resined floor transom etc. Peeled off all the old carpeting on my boat and realized most of the wood in the back half of my boat is pretty rotted. It looks like it was really thick plywood but that wouldnt seem right.

What size plywood do i use for a subfloor. Prior to the same date would originally have been done with poly. My question is is there a specific type of wood that i am supposed to use to make the floor of the boat. At present it is located on central fore aft bearers and othe.

Any advice would help. The finished floor is then installed on top of the subfloor. The minimum thickness allowed for ceramic tile installations is two sheets of 5 8 inch thick plywood. Our marine plywood for boats is made with cca treated douglas fir veneers and high quality marine grade glue.

The plywood must be exterior grade for all wet areas and it has to be installed in such a way that the joints between each layer do not line up using what is known as a stagger pattern to keep the pieces from ever lining up. This was located underneath a faux teak floor meaning that it is most likely the original plywood used to build the floor of the boat.