Wavy bumper covers
- Thread starter mok616
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Yes, since I am in the industry I had access to a test plaque mold and injection molded some 4mm polycarbonate plaques. I glued them to the back side of the bumper facia using quality urethane adhesive (Evercoat as an example). This took most of the warp out and whatever was left my body guy took care of with a little filler. If you choose to go this route use a material like polycarbonate that can handle high temps. ABS or polypropylene won't cut it. This method has stood the test of time.
So what you're saying is if you get something like a 3/16" or 1/4" (thereabouts) thick polycarbonate strips, assuming wide as the bumper area that should be flat, and urethane glue them in, that it should take out a majority of the waves?
I'm just trying to understand this "plaque" thing.
I'm just trying to understand this "plaque" thing.
You have the general idea. Don’t get hung up on the plaques. I don’t remember the exact plaque dimensions but they were approximately 14 x 14”. I only trimmed them enough to fit the backside of the bumper facia thinking that a larger structural piece would be more effective. You will need enough weight to place on top of the bumper facia to keep it flat while the adhesive cures. IIRC I used some batteries I had sitting around
I don't know if it would work for accessibility but when I accidently warped my new front spoiler for my Regal (from a 500 watt halogen light) I used a piece of 1/8" aluminum to match the full length and width of the inside of the spoiler and scuffed both surfaces up and applied 3M panelbond and then used a piece of 1/8" steel to apply pressure from the outside and clamped the crap out of it. Worked perfectly
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