They turned out great and i used this as a learning experience on how to make the bench seat from scratch.
Build a bench seat for boat.
Items you will need lumber 2x2 inch sufficient to construct deck mounting frames attached to front and back seat fascia plywood marine cut to pattern shown for seating unit side and supporting panels on 24 inch center to center intervals plywood marine sufficient to make front and back.
If it s already in the water then problem solved it s already level.
Jack the boat so that it sits level as if it s in the water.
Just stating what i learned from googling and.
Seating is one of the prime fundamentals of building a boat.
It might float but staying atop the boat will be difficult.
Take a sheet of luan or other thin plywood about the size or slightly smaller than the front of the bench.
A boat canoe kayak or even a raft without seating is simply impractical.
I used a de stitching tool and dismantled the old covers and used them as patterns for the new ones.
When i re did my fishing seats earlier this year i did exactly what you are thinking.
Attach a level to the top of the sheet and shim it to level.
We are going to look at how to build a boat bench seat.