3/10/2024 0 Comments Sandpaper grit chart automotiveThe synthetic enamel paint systems are great if you want to get a quick paint job out. The acrylic system just provides a longer lasting finish and costs a little more. That does not mean that the synthetic system won’t harden, it will. The only main difference is the addition of a hardening system in your paint. It doesn’t matter if you’re spraying cheaper line of the enamel systems which is the (synthetic enamel) systems or the higher, stronger enamel system, the acrylic enamel system. The thick paint will cover and fill well and you need not worry.This is why cheaper and more affordable paint jobs are done with single stage enamel paints. You can also paint single stage paints over coarser sand paper grits like 240, and 280 grits. This gives you more room for a little error because the thick paint fills imperfections. Single stage paints are a thicker paint than your basic base coat systems. Prepping and painting over a single stage paint can be a different animal. SINGLE STAGE PAINT SYSTEM FINAL SAND PAPER GRITS: If you feel that you just NEED to sand finer, I would absolutely not sand any finer than a 600 grit paper. 600 grit is on the fence and at the border. If you sand any finer, look forward to some paint peeling in a few years. Why? It gives you enough paint TOOTH for your paint to grab on to. John Kosmoski and I don’t agree on every method when it comes to auto body, but when it comes to final paint grits, we agree that 400 is the best grit. I have been painting for over 18 years and have a lot of knowledge when it comes to auto body. Follow those who are doing it and getting professional results. Don’t listen to what others are saying all over the internet. You want to finish your final sanding when prepping for basecoat clearcoat with a 400 grit sandpaper. Check it out here and get full access to save yourself a whole lot of time and money.īASECOAT CLEARCOAT SYSTEM FINAL PAINT GRITS: I actually show you theses steps on video in step-by-step format inside of the VIP members area. If you chose spray a primer sealer over that, you may, but is not needed to get a pro finish. Then you’re ready for paint directly over your 2k primer. My final comment on this: Get your filler shaped with 80, cut down further and smoother with a 240 grit, then spray two – three coats of 2k filler primer, block with 400 grit, check for imperfections and repair during that stage. I’ve tried it, and I’m not that fond of that way or style. I think it’s much easier to do it this way, plus you’ll save on the extra time and money that is spent on the polyester putty. OR, you can eliminate that process (which is what I like to do) and sand your body filler from the 80 grit down with a 220-240 grit paper and getting that ready for a 2k primer filler. If you do it this way, you’ll be cleaning your gun more than you need to. To me it’s all relative because no matter what, you will have the same sand time. Actually, John Kosmoski founder of House of Kolor, does it this way and says it’s faster because you cut time off of your body work sand time. I’ve heard of people spraying a thick polyester putty right over that to fill your scratches, then cutting that down with a DA sander and blocking it using a 150-180 grit paper, then spraying a 2k primer filler and blocking that down to a 400 girt for final paint. It’s a great grit to use that will help you lay the foundation to move toward the finer grits that I talk about below.Īfter your major body work is shaped and cut down with 80 girt, you have a few methods. I find myself using 80 grit during the rough draft stage when doing major body work. It’s a great grit to cut and shape your body filler and sand down rusted body panels. Then you can proceed to treat the rust and move on to repair and refinishing.Ĩ0 grit sandpaper is the most common for shaping body filler. It will allow you to cut out old body filler or shape new filler if you have some extremely high areas in your bodywork.ģ2 and 40 grit sandpaper can also be used for sanding heavy rusted areas and cleaning them down to shiny metal. ![]() Let’s start with the heavy duty grits and what they’re used for.ģ2 and 40 grit sandpaper can be used for sanding and grinding paint down to metal. ![]() Auto Body and Paint Sandpaper Grit Breakdown A term that is called, color sanding and buffing, or cut and buff. Finer grits like 1200, 1500, 2000, and 3000 is used for finishing. ![]() ![]() These sandpapers are used for the main body work process when cutting body filler (Bondo) shaping, feathering and final sanding when prepping for paint. In the video above I show you the most common automotive sandpaper grits that are used for body and paint. Did you enjoy the video? Check out the LABAP VIP course that will help turn you into an auto body and paint pro, from home!īest Automotive Sandpaper Grits To Use for Each Car Paint System – Day 2 Boot Camp
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