is this far enough??
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is this far enough?? Hey guys ive just begun to sand the spider cracking off of my front bumper to get ready for paint. I started with 120 grit but it didnt look like it was doing much so i went to 80 grit. as you can see in the pictures the yellow is acctual bumper material. My question is, is this far enough? if i get all the cracks to this point is if going to be fine after paint? Would bondo be required? I know the easy way would be buying a new cover but that is way to expensive for me... any help would be great guys! btw if anyody has a cheap drivers headlight lid i would be very interested.
Hey guys ive just begun to sand the spider cracking off of my front bumper to get ready for paint. I started with 120 grit but it didnt look like it was doing much so i went to 80 grit. as you can see in the pictures the yellow is acctual bumper material. My question is, is this far enough? if i get all the cracks to this point is if going to be fine after paint? Would bondo be required? I know the easy way would be buying a new cover but that is way to expensive for me... any help would be great guys! btw if anyody has a cheap drivers headlight lid i would be very interested.
https://ls1tech.com/forums/paint-bod...r-webbing.html
Attachment 728907
You have to feather it out. Your spot may be really small, but your sanded area needs to be huge. It may be too deep to fix. Not sure if you can fix it if it's deep. You'll want to ask a professional painter that has dealt with that before.
Hey guys ive just begun to sand the spider cracking off of my front bumper to get ready for paint. I started with 120 grit but it didnt look like it was doing much so i went to 80 grit. as you can see in the pictures the yellow is acctual bumper material. My question is, is this far enough? if i get all the cracks to this point is if going to be fine after paint? Would bondo be required? I know the easy way would be buying a new cover but that is way to expensive for me... any help would be great guys! btw if anyody has a cheap drivers headlight lid i would be very interested.
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I just went through the same thing on my front bumper, from the looks of it those cracks will come back no matter what. Only solution is a new bumper cover. I had a few cracks that I know are going to come back on my bumper cover, next time I'll be getting a new bumper cover, I've sanded mine down and painted it twice now.
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Bondo is a no no on plastic and I'm sure fiberglass filler would be too. Ask a real professional what to do. 3M makes a bad *** plastic urethane repair filler for cracks and filling in stuff like holes. That would be my only guess as to what you might be able to use.
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Absolutely don't use bondo or fiberglass. If it's only a couple small areas, you could use a filler designed for plastic bumpers. I've been using Dominion sure seal semi rigid plastic surgery for ever (over 20 yrs). Make sure you've sanded out the scratches the best you can and then use a good plastic spreader and spread it over the area as smooth as you can. Also make sure you have sanded the whole area with 150 grit paper before the application. You don't really want to be filling scratches that are coarser than 150, especially if you fill over any painted area, which you shouldn't really, unless the bumper has a really thick build up of paint and can't be feathered out easily. Anyway, that's what I would do if I wasn't going to replace the bumper. See what your bodyshop has to say, maybe they have some better advice. 
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From: Battlecreek, MI / Mansfield, OH