That’s the big question…… I am fixing to start working on some fiberglass panels/body that are in just gel coat and I was wanting to use a high build primer on them so I would not have to use any filler or glaze on them if they have any low spots. From the best I can tell they are pretty much straight but you know just as well as I do that looks can be deceiving Should I use a 2K primer or is there something else you guys would recommend for finishing fiberglass. Now this is going to be a Paw Paw and granddaughter project this winter (8BA flattie powered T Bucket) so I’m getting all the stuff together for the paint and while I’m at it I’m going to put the fiberglass hood on my OT hot rod next week so I can experiment with it and not ruin a complete car
Yes. But 2k high build can be urethane, polyester and even epoxy I’m kinda fond of polyester on glass. You can use a 2 part glaze and/or quality body filler over sanded gel coat Then prime. Urethane sands the best out of the 3. If both you and her are spraying, make sure the area is ventilated and you both wear long sleeves, gloves and the correct respirator
Urethane is also the most dangerous health wise. None are great but epoxy or polyesters will not have iso cyanides in them which are some of the worst chemicals in paint products.
IT'S ALL DANGEROUS. Epoxy is as deadly as any of em and polyester has that nasty MEK. Back on topic, yes you can 2K. I would sand it all as if you were blocking with 150, show your lows in the gel. Then you know where a spritz more can be added vs lots of coats everywhere. Less apt to crack...so soon. It will crack in a place or 2, it's a 'glass body, but the less material you pile on the better off you are. Good luck.
I usually use Evercoat for the final glaze whenever I’m doing the body work on a “normal “ car (meaning sheet metal) and I swear by it! I’ve never tried using their primer or even knew they made it. Yeah it’s been awhile since I have been in a booth. So it looks like the polyester is the way to go and I didn’t know if you could sand through the gel coat or not but I do agree on the spritzing heavier on the low spots to save on sanding.
Unless you're into self abuse I'd avoid Feather-Fill. Slick Sand is a far better alternative and sand way easier. It takes an 80 grit to crack down Fthr Fill, but you can work the other with a 150 and get a very nice job of it. Feather Fill is a great industrial level gig, but for finish? It's more fun having the screaming shits after some bad Mexican food.
My wife reminded me about time that happened to me while on vacation one year after reading this. She told me I better follow your lead and get the Slick Sand. I haven’t had the chance to go to the paint store yet since I decided to put in accent lighting around my house this past weekend but I will get there if I’m still kicking after converting a 240v to a 110v this morning I really appreciate the input and like I said fiberglass parts are foreign to me so I’m going to be on a learning curve. So I’ll post some pictures and get some critiques from you guys
I wouldn't suggest Slick Sand for a home user. Pain in the ass to mix anything less than a quart without a scale. Get Evercoats Super Build. Has more build than Slick Sand, sands the same, you get about 15 minutes more pot life with the regular 100733 hardener and can be easily mixed in smaller quantities with a paint cup.
Honestly I would high build primer them, guide coat it and cut it back to check for lows. At that point you can probably just do spot glazing instead of a full filler. I like the evercoat brand myself... Sands easy and has held up great on all the stuff I ever did. Sounds like a fun project! Hope yall have a blast!
I used this stuff on my PU last year. Goes on pink, sands grey (built in guide coat). Wear a respirator and you need very dry compressor air!!!! Yeah, that's 4 exclamation marks.
This is the kit that we are going to be building Speedway’s Tribute T. I’ve never built a kit car per se but it can’t be all that hard especially a little T bucket
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