plastic and fiberglass
With the right prep, it can be done. But you'd need to brace the back of the plastic with wood or something else like that because if the plastic flexes any it'll crack the fiberglass right off of it. What are you trying to fiberglass?
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From: Boulder, CO
Quoted from FGF:
Plastics and fiberglass don't really bond at all. If possible it's best to stick with plastic when you are modifying something that is plastic to start with. If you are adding a large panel area that is fiberglass then you need to rough up the plastic and drill holes in it so that you can have the resin go through the plastic and make a mechanical bond with it by sandwiching the plastic between two layer of fiberglass.
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From: Trolling in Michigan
This is what happened and caused me to scrap my console modification.
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Oh okay I know what your talking about now, you should be able too but I'm not sure how it will hold up long term though, one even very slight flex even from just temperature change and it'll pop off.
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From: Eastland/Stephenville, Tx
If its thick enough bed liner, like professionally done thick stuff, you can just duct tape over the holes and they'll spray over the duct tape. I've had two rhino/line-x sprayers tell me that so far.
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From: Eastland/Stephenville, Tx
Supposedly the liner will stiffen up and seal the duct tape. I'd use separate pieces of tape instead of one long strip. That just seems like it'd peel up easier than each little strip being sealed with the liner.