Filler over epoxy primer. By delving into the types of primers, their applications, and following best practices, you can elevate your auto body repair projects to a professional level. 1-48 of over 8,000 results for "primer sealer" Results Check each product page for other buying options. Here we explain when to use epoxy primer and why? When applying a polyester body filler, glazing putty, or polyester primer over an automotive aftermarket epoxy primer begin by verifying with the epoxy coating manufacturer that it is compatible to be top coated with the above-mentioned polyester products. Sep 3, 2010 · The #1 site on the Internet to discuss and learn about autobody and paint. I cut through the epoxy in a few places. Over-thinning can compromise structural integrity and lead to shrinkage or poor adhesion. May 20, 2020 · Thanks for watching this keynote presentation entitled Should YOU Apply Body Filler Directly Over Metal or Epoxy Primer? Check out the to learn more about DIY auto body work and paint. Whether applying over bare metal, scuffed OEM paint, or cured epoxy primer, the surface must be aggressively sanded with a coarse abrasive, typically 80-grit sandpaper. Nov 7, 2025 · Conclusion In conclusion, the question of “What primer to use over body filler?” requires careful consideration and a solid understanding of the processes involved. Rot Fix is an easy to use low viscosity epoxy wood sealer, primer and consolidate for repair and restoration of rotted, deteriorated, dried out or spongy wood. Price and other details may vary based on product size and color. Jan 31, 2024 · There can be a lot of confusion around primers when it comes to painting a vehicle. Sep 3, 2022 · Problem with body filler over bare metal is trapping moisture and/or rust starting before you can get epoxy applied. Use only recommended thinners—such as styrene for polyester or urethane-specific solvents—to maintain chemical compatibility. Should I spot prime with epoxy to cover the bare metal? Or just use a 2k high build primer? 3 days ago · Learn how to achieve a flawless finish by painting urethane over epoxy primer sealer. Follow our comprehensive guide for expert tips and techniques. Mar 14, 2010 · Hey, I like 50 grit production paper, prior to filler, over epoxy for more ''tooth'', but never filler over etching primer! Anywhere you sand through to bare metal, should be reprimed with epoxy, prior to the application of filler. The filler finally came off, but it left a thin layer bonded to the top of the epoxy! Dec 18, 2025 · Correct surface preparation for body filler starts with creating a deep, rough profile on the substrate to ensure maximum mechanical lock. Remember, each step in the process plays a vital role in achieving 1 day ago · What is the correct primer to spot prime my body filler with? I’ve seen and been told multiple ways. Rot Fix is a component of the End Rot system. If you sand back thru epoxy be sure to apply epoxy to bare surfaces. Premium Epoxy 4 days ago · Posts Tagged: epoxy primer over bondo Avoid Paint Failure: How to Prepare Bondo for Primer February 27, 2026 Professional Guide: How to Sand and Seal Bondo Before Paint Quick Summary The key steps to preparing Bondo for priming are simple but critical: 1) Shape the Bondo with 80-grit. . Now I’m sanding that and doing final body filler glaze/glazing putty work, preparing for a spray coat of the same epoxy sealer/primer. Mar 17, 2021 · The one which had epoxy sprayed over the bare metal, was way more resistant to the filler coming off, and when it did, it failed in the body of the filler. Can you apply body filler over epoxy primer? We'll answer the question in this article and give some guidelines on how to apply the primer. If you want to learn how to paint your own car, this is the place! May 21, 2024 · I'm having an issue with epoxy primer losing its bond to the sheet metal in two areas where I have put filler over top. Metal was sand blasted and epoxy primed, so the filler is on top of epoxy. It penetrates deep into deteriorated and rotted wood creating a strong, solid base for restoration. 2) Refine it with 180 grit 3) Finish it with 320-grit 4) Feather the edges correctly 5) Eliminate pinholes 6 I’d like an opinion on what grit dry sanding I should go to: I’ve done primary body work and coated with epoxy primer using a foam roller. It has happened twice, first with RM epoxy, then with SPI epoxy, so I don’t think it is the primer. Can you apply body filler over epoxy primer? We'll answer the question in this article and give some guidelines on how to apply the primer. I like polyster primer for a fast build over your plastic filler followed by another two coats of epoxy, then a Jun 20, 2010 · The #1 site on the Internet to discuss and learn about autobody and paint. If you want to learn how to paint your own car, this is the place! Expert Tip: When thinning any body filler, always follow manufacturer guidelines for thinner ratios. The epoxy stayed on the metal and the filler stayed bonded to the epoxy. It creates a sound, waterproof base for repair and restoration filler putty. uar xuz pyb sca bbp ncx oid ujs pla rly plt mcr yvj and taz