One solution is to patch it up but on a badly affected car this is rarely the best solution.
Patching holes in floor pan.
One of the best ways to patch the holes is with fiberglass.
The previous owner had chosen to ignore the small rust holes and just roll a coating of some sort possibly truck bed coating over the front half of the floor and called it a day.
However sometimes it is necessary to repair holes in the bottom of the floor pan.
I know because i once bought a 65 beetle that needed lots of floorpan work.
02 13 04 05 17 pm post 391271 in response to rj ly i used it for patching some small rust holes in the floor pan and trunk of a previous car i owned.
Replace rusty floor panels.
For a larger repair the damaged section can be replaced with a partial floor panel.
For small patch panels not for whole pan.
This is a permanent repair though it s not advisable to consider this a fix for those fred flintstone floorpans where there s more open air than sheetmetal.
Some might say i did a hac.
Floor pans are the base metal layer of a vehicle s floor that everything else rests on.
Fixing the holes in the floor symptom.
Needless to say i didn t know quite how bad it was and the vast amounts of money i lavished on paying a welder to give it the patchwork quilt treatment would have.
If the rust damage is extensive replacing the entire floor pan with a one piece panel is the best way.
This transforms the flexible fiberglass into a rock solid chunk of rust proof flooring.
If the hole isn t too big you can do a patch repair.
I never bought any after market replacement patch panels or floor pans for a car.
Mike bumbeck next up i used a pneumatic flanging tool that clamped its offset jaws onto the steel and gnawed around the hole so the steel patch had a recessed contact patch to sit flush in the adhesive for minimum body.
This is most common for older cars.
Your feet get wet when you drive through a puddle you can see the road going past when you look down the battery just fell out of you car and was demolished by a kenworth rig behind you.
There are several ways to deal with a rusty floor.
See all 24.
Cheap car floor pan fix solid overview how to.
Following some quick work with a sharpie and cutoff wheel a perforated steel and bondo sandwichs littered my workspace floor.
Jb weld for rust repair.
This was actually suggested to me by a great bodyman in town here.