Quote:
Originally Posted by Homeoboxter
... Would you recommend anything special to use to patch them up before sanding and painting?
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I have a Polyvance Plastic Welding kit that came with some material called FiberFlex welding rods. It's a fiber reinforced plastic. I have also used the kit to repair cracked and broken under-belly panels. This page has information and a video of a bumper repair similar to how I have done it:
https://www.polyvance.com/video/bumper-repair/fiberflex-bumper-repair-3
On a bumper cover, I prefer doing a 'plastic weld' type of fill to using a body filler such as Bondo.
I did some plastic welding with a soldering iron before I bought it, but really like the temperature control and materials included with this kit. Repair a couple plastic panels and it has paid for itself:
