Floor for a 28/29 model a fiberglass r/p/u

Hi, Any ideas on how to install a floor in a fiberglass car/truck ?

Thanks Chuck  

I did this same thing on a Track T roadster that was the basis of my book, How to Build a Cheap Hot Rod. On the Track T, the body had a lower flange and a seperate floor, so it was really a matter of setting the floor into position and then glassing it in place.

Does your roadster pickup body have a lower flange? I would assume that it does so that you can mount it to the frame, but I thought I should ask. Also, do you already have a seperate floor or not? If you do have a floor, I would start by setting it in position with the body bolted to the chassis. Check for and remove any obstacles that would keep the two from fitting together properly and then fiberglass the two together.

Presuming that you do not have a floor, use some posterboard or other cheap material to make a pattern, or better yet, set the body onto a piece of 3/4 inch exterior grade plywood and trace around the bottom of the body (or the flange if it does have one). If there is indeed a flange, measure it in several places so that you can enlarge the marks made on the plywood by that much. Then use a saber saw or whatever you have to cut the plywood to the size and shape of the new floor for your RPU. Trim and file the plywood as much as necessary to get it to fit as good as possible. Clamp the plywood in place, turn the body and plywood over so that you can drill body mounting holes in the new plywood floor. Then set everything into place on the frame and bolt it down. This will help to get the floor sitting flat and level with the body. Then fiberglass the top of the floor to the inside of the body using fiberglass matter and resin. Use at least two layers, making sure that the fiberglass matte strips overlap where the floor and the body meet. After 'glassing the top side sufficiently and giving it enough time to fully cure, repeat the fiberglass matte and resin procedure on the bottom of the floor plywood and the bottom flange of the body.

This was sort of a condensed version of the process, but it should get you started.

Dennis