Note if you d like to improve the final looks with a smoother finish allow the filler to harden completely and then spend an additional 30 minutes grinding it down.
Replacing plywood floor in fiberglass boat.
Start removing the old damaged material using an electric saw to cut it.
Photo d is a piece of plywood from the floor of a boat wreck.
The most common material used for boat flooring is bc plywood and it is also used for fiberglass boats in particular.
Marine plywood is often used to build boat interiors and to replace flooring during boat renovations.
Note that even though the plywood has been snapped and left exposed to rain and wind it still holds its integrity.
Step 1 remove the damaged flooring.
The length of the wood screws is equal to the combined thickness of the floor and the marine plywood.
Replace the carpet or use a fiberglass repair kit to finish the surface of the floor.
If the stringers and bulkheads are rotten get them replaced with fiberglass ones.