The epoxy primer needs to "vent" solvents prior to spraying the primer surfacer. If you're planning to paint over epoxy paint, there are a few things you need to know before you …

Not sure how tight of a time crunch you're in, but you can extend a project out almost a week if you time everything right without sanding. Then scuff the epoxy primer before applying the primer surfacer.

Some products have have a 1-7 re-coat window, depending on product. I’ve been working on this truck for about three hours today. The epoxy primer will create a barrier to keep topcoats from reacting to your old paint. First - let the epoxy dry as long as possible before scrubbing any potential blush off. Coating options - painting over epoxy. You get the benefits of a true 2-part epoxy without the mess. Think of epoxy primer as the foundation for your paint.

Epoxy Primers. Search the Internet and you will find boating forum posts asking why the enamel paint they put over is drying so slowly and still tacky after many days.

So, epoxy primer first, primer surfacer over that. Read the can for full directions. Second - scuff the epoxy before painting. It is generally not necessary to use a primer in order for a suitable top coat to adhere to sanded epoxy resin. Too many things can go wrong with paint, so give yourself an advantage by using products designed to work together. Some are a few hours; others allow several days. Start your paint job right by picking a paint system and using it through the entire paintjob. Let it dry completely.
In the meantime, it’s important to talk to your paint dealer about the time window allowed between the primer and paint topcoat.

Existing Finishes: Epoxy primer is perfect for paint jobs over existing lacquer or enamel finishes. OS mentions the two main recommendations I make about painting latex paint over epoxy. Unfortunately, it is this same impressive durability that makes it difficult to paint over epoxy surfaces during remodeling projects. It’s a 4:1 mixture, which comes out to be a high build. Painting epoxy coated surfaces - options and warnings . A primer coat prior to painting over epoxy is quite beneficial because it provides a uniform color base and is easier to sand than epoxy resin. FOR PAINTING OVER EPOXY. Some advocate the use of water thinned latex paints. I normally would use primer, but it's not critical in your situation.

Today’s topic is 2k primer tips when doing body work. If you need to start with bare metal, an epoxy primer should be used first to grip the metal well. Epoxy paints are popular for floors because of their sharp look and incredible durability. On the other hand, 4:1:1 comes out to be a regular primer and not so much of a high build. These primers create a harder, more chemically resistant coating. You can apply more product or your next material (paint) over that primer without having to sand. It can’t be an epoxy primer, but it can be a urethane primer. Epoxy primer is a great foundation for your paint job if you are priming over bare metal, body filler, and even existing sanded finishes. Self-etching primers have to have another primer over the top of them or the paint won’t adhere. Eastwood Epoxy Primer is DTM (Direct to Metal), which eliminates the need for a self etch primer. Sand existing finish with 180 - 440 Grit and shoot 2-3 coats of epoxy to seal away the old finish.

I used the Advantage 2K Primer, which is a really good brand.