If the hole isn t too big you can do a patch repair.
Epoxy to replace rusted floor panels.
If the repair area is large you may need to mix the two part epoxy in stages to allow you time to apply the epoxy putty before it hardens.
However sometimes it is necessary to repair holes in the bottom of the floor pan.
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One of the best ways to patch the holes is with fiberglass.
Thanks to modern chemistry and manufacturing we now have two part epoxy panel adhesives that are strong and flexible enough to bond metals together more or less permanently.
There are several ways to deal with a rusty floor.
I weld in a new hand formed floor pan in my 1978 ford f150 truck.
If the rust damage is extensive replacing the entire floor pan with a one piece panel is the best way.
As would be the case in most situations the carpeting or floor covering will need to be removed to gain access to the rust effected portions of the vehicle floor.
This is most common for older cars.
Replace rusty floor panels.
Floor pans are the base metal layer of a vehicle s floor that everything else rests on.
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These left and right trunk floor extensions part no.
We decided instead to treat the rusty metal with por 15 and then repair the small rust holes with the epoxy putty.
You need to mix enough two part epoxy putty to cover an area at least twice as large as the rust you need to repair.
Easy to do and really strong.
I had a major rust problem in my 1989 mitsubishi montero ls v 6 four door and thought giving glue a chance would at worst demonstrate what not to do and at best bond some.
For a larger repair the damaged section can be replaced with a partial floor panel.