If the rust damage is extensive replacing the entire floor pan with a one piece panel is the best way.
Replacing carpet with rusted floor pan.
Correctly would be getting the floor repair kit and following the procedure in the tsb but i think you d want to cut the rust out treat it and weld the new panels in.
We decided instead to treat the rusty metal with por 15 and then repair the small rust holes with the epoxy putty.
Replacing floorpans is one of the most basic sheetmetal jobs there is and among the most common.
This is most common for older cars.
Even an otherwise rust free car will often have some swiss cheesing of the floors 40 years of wet.
Usually the pans do not rust or need repairs.
A difficult decision with any restoration comes in the matter of patching a floor pan or replacing the entire floor.
Patch a pan or replace a floor.
The driver side floor is not mangled but there is significant rust so we need to gut it and replace it with new pans.
The floor pan is such a large area i had to tackle it in three sections.
400 to 4000 take your pick or trade with a note on the dash to check the floor and don t drop any money on the floor.
There are several ways to deal with a rusty floor.
Among its many products the latest from por 15 is a complete floorpan restoration kit offering a combination of the classic por 15 chemicals along with a sizeable offering of the two part epoxy putty and fiberglass mat material.
However sometimes it is necessary to repair holes in the bottom of the floor pan.
If the hole isn t too big you can do a patch repair.
The front where the pedals are the middle under and behind the front seats then the section under the rear seats.
The problem is that these are hard to find so we will make our own.
For a larger repair the damaged section can be replaced with a partial floor panel.
Floor pans are the base metal layer of a vehicle s floor that everything else rests on.
This goes for a cabin floor board or a trunk pan both involve the same types of labor so the rules generally apply for both.