Add thin strips of wood under the edges of the repair patch to make it flush with the floor of the boat.
How to fix a rotten floor in a boat.
If the stringers and bulkheads are rotten get them replaced with fiberglass ones.
However the need for replacing a boat floor does not mean the end of your boating days.
You cannot repair the boat floor while rotten wood remains as it will only continue to rot.
Hopefully when you bought your boat you gave it a thorough pre purchase inspection and didn t get any nasty surprises.
Over time boat floors begin to show wear and tear from repeated exposure to the elements specifically water.
The most common material used for boat flooring is bc plywood and it is also used for fiberglass boats in particular.
Making these repairs will extend the life of the boat.
But if you buy a fixer upper or have an older boat you love and don t want to part with there s a fair chance you ll need to replace part or all of the rotten boat.
Start removing the old damaged material using an electric saw to cut it.
If you have the means and resources to remove a piece of the boat floor and replace it then that is the best thing you can do for the boat.
Replace the carpet or use a fiberglass repair kit to finish the surface of the floor.
Repairing a rotted boat floor is never considered an easy task.
The length of the wood screws is equal to the combined thickness of the floor and the marine plywood.
Replacing a rotten boat deck is a fairly common task and it s a lot easier than you might think.
Once you are confident that the rotten sections have been removed you can start to repair the floor as needed.