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.
Epoxy to replace rusted floor panels.
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.
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Floor pans are the base metal layer of a vehicle s floor that everything else rests on.
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.
Usually the pans do not rust or need repairs.
If the rust damage is extensive replacing the entire floor pan with a one piece panel is the best way.
If the hole isn t too big you can do a patch repair.
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.
We decided instead to treat the rusty metal with por 15 and then repair the small rust holes with the epoxy putty.
Thoroughly mix equal parts of the two part 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.
Replace rusty floor panels.
There are several ways to deal with a rusty floor.
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One of the best ways to patch the holes is with fiberglass.
For a larger repair the damaged section can be replaced with a partial floor panel.
This is most common for older cars.
However sometimes it is necessary to repair holes in the bottom of the floor pan.
I weld in a new hand formed floor pan in my 1978 ford f150 truck.
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