Re: Boat floor
Your post makes it sound like you have a raw wood floor. If this is the case, is this something you did or something you "inherited" at purchase? That boat should have a floor that is fiberglassed in, you don't need to do anything if all you are doing is glueing carpet down If the fiberglass is sound, and the floor is solid.
Make sure you don't have the ever popular piece-of-plywood-screwed-over-rotted-floor trick. it's a time honored tradition for people to just slap a piece of plywood down instead of properly repairing it, which involves removing all rotted floor material, the stringers if rotted, and repairing the transom if rotted, then glassing in a new floor.
Truck bedliner material is overkill and not necessary in a boat. There are products like Evercoat No-Skid that is a rubberized material with traction niblets that works very well and is lighter and cheaper than truck bedliner, and is intended for the application.