
Applying body filler over epoxy primer provides maximum corrosion protection for the metal. Apply filler within seven days of applying epoxy primer to maximize adhesion. OPTIONAL: Scuff Epoxy with P120-P180 grit sand paper or red scuff pad.
Can you use epoxy primer on metal?
Epoxy primers have excellent adhesion properties and will stick to bare metal, paints, primers and fillers. This means you can hit an area with epoxy primer that’s been sanded down to bare metal, repaired with body filler, and then feathered into the original paint.
Can you put filler over etch primer?
This can be avoided by applying the DPLF Epoxy Primer, color and clear coat in the same day or by adding 5% of DX57 RTS DBC. ive been told NEVER apply epoxy primer or filler over etch primer.The acids in the etch will cause adhesion problems with filler and epoxy primer.I apply filler over bm.Then epoxy prime. I never use etch primer.
Can you put filler over epoxy?
I use filler over epoxy all the time and it never separates like that, in fact, you would be hard pressed to get them apart if you tried. Did you sand the epoxy?
What is the difference between autobody filler and epoxy primer?
Autobody filler is (basically) made of a vinylester or a polyester type resin. Epoxy primer is (basically) made of an epoxy type resin. vinylester or polyester is never used, epoxy is. it's going to be a physical bond. Epoxy has better flow characteristics to grab into those microscopic imperfections and grab on.
Does Duponts epoxy stick to metal?
Can epoxy be acid etched?

Do you have to sand epoxy primer before applying body filler?
7:1315:21Should YOU Apply Body Filler Directly Over Metal or Epoxy Primer? ♂️YouTubeStart of suggested clipEnd of suggested clipSo you could put a 2k filler primer. Over that right let that dry. And then block sand it out. AndMoreSo you could put a 2k filler primer. Over that right let that dry. And then block sand it out. And you're good to go.
What goes over epoxy primer?
Epoxy primers can fill coarse sand scratches. They are often recoated with urethane primer or sealer before top coating. Urethane primers will fill P220 scratches or finer. They dry faster and sand easier than epoxies.
Can you use polyester filler over epoxy?
We know polyester gelcoat can be used over WEST SYSTEM Epoxy. As Jeff Wright wrote in “Polyester Over Epoxy” in Epoxyworks 22: “As with many products, the surface must be prepared properly: if it is not, then poor curing and adhesion may result. Polyester materials can be affected by amines in the epoxy hardener.
Does epoxy primer go before Bondo?
If you plan to use bondo you need to sand the dent area down to bare metall and apply the bondo then sand down repeat until its feathered out and then spot prime your bondo with epoxy. Then you need to spray over your epoxy bondo fixes with 2k high build primer sand and repeat. Then you are ready for paint.
Can I paint straight over epoxy primer?
1) recommend waiting 24 hrs before top coating, but depending on temp can be sooner. 2) Up to 7 days after epoxy can topcoat without sanding or scruffing.
Can I apply body filler over primer?
Applying body filler over epoxy primer provides maximum corrosion protection for the metal. Apply filler within seven days of applying epoxy primer to maximize adhesion.
Can I spray 2K over epoxy primer?
The next day you can start spraying the 2K primer over the epoxy. Once again, it is not necessary to scuff or sand the epoxy before applying primer. The most important thing to remember at this point is spray one wet coat of 2K primer and let it sit for 5 minutes before applying the second coat.
Does gel coat stick to epoxy?
Typically, gelcoat isn't recommended over epoxy because they're chemically incompatible and the gelcoat won't adhere properly.
Do you apply bare metal body filler?
A. Evercoat fillers are designed to work over bare, properly prepared substrates such as: steel, aluminum, galvanized metal, fiberglass, and SMC. Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint.
Can you sand epoxy primer?
7:4012:39What Is EPOXY PRIMER ? - Understanding How It Works!YouTubeStart of suggested clipEnd of suggested clipAnd once again I want to show it to you you can see how it gums up and it is not a sandable primer.MoreAnd once again I want to show it to you you can see how it gums up and it is not a sandable primer.
Does fiberglass stick to epoxy primer?
The answer is a yes! Fiberglass resin is a thermoset plastic and if the surface is properly primed, it will stick to it well. But there's a twist here – it is important that the primer is properly cured which may take up to 7 days.
Where do you apply epoxy primer?
Epoxy primers not only offer excellent adhesion to metals, but also serve as a proper base for extra undercoat products and top coats (paint). Epoxy primers are also commonly used to coat metal cans and containers, especially those used to hold acidic food, such as tomatoes.
How do you prepare epoxy primer for painting?
Sand to a smooth finish. If there are runs or sags in the epoxy, begin sanding with 80-grit paper to remove the highest areas. Sand until the surface feels and looks fair. Complete sanding with the appropriate grit for the type of coating to be applied-check coating instructions.
Should I sand epoxy primer before painting?
(Q) Do I have to sand Epoxy Primer before topcoating? (A) No, epoxy may be topcoated without sanding up to four or five days. After that point, you'll need to abrade the surface.
How long can you leave epoxy primer before painting?
Leave your primer to dry for at least 24 hours before painting to ensure longevity.
How long should epoxy primer dry before painting?
On a hot and dry day, or if you're lucky enough to have an automotive oven, this can take as little as thirty minutes. But on a cold or humid day, it can take up to two or three hours. If the weather is both cold and humid, you may actually need to wait overnight for the primer to dry completely.
Body Filler Over Epoxy Primer - Eastwood
Kevin I hope you can give me a definative answer on whether you can use body filler over well cured epoxy primer.. My car was stripped down to bare metal and primed with a direct to metal epoxy primer following the manufacturer directions.
applying body filler over epoxy • How to Paint Your Own Car, Auto ...
There are two schools of thought on this. 1. Is that the filler should only be applied to bare metal. However even the tech sheet for the filler will state that it can be applied over painted, primed or e-coated metal.
Filler on top or under epoxy primer? | Chevy Nova Forum
This seems to be a question with an answer of " it all depends who you ask" how do you do your body filler, over epoxy primer or on bare metal.
Does Duponts epoxy stick to metal?
Duponts epoxy does not require anything to stick to bare metal.
Can epoxy be acid etched?
If an epoxy requires an acid etch to stick to metal, don't buy it because it serves no point and is a waste of money as the acid etch will now be the weakest part of the paint system as far as corrosion protection, total paint durability and life expectancy for the paint.
What is epoxy primer?
Autobody filler is (basically) made of a vinylester or a polyester type resin. Epoxy primer is (basically) made of an epoxy type resin. If you were to bond/glass over a metal pad to a fiberglass boat, vinylester or polyester is never used, epoxy is.
Why do you use primer on bare metal?
The big reason for primer (DP type) on bare metal first is to protect the metal from any corrosion. Body fillers create heat when they dry, which can create moisture. Right on bare metal. And what if that perfectly prepped panel that everyone speaks of wasn't really prepped perfectly? What if there was some really small contamination left over and body filler was applied? Rust! Epoxy primers and etch primers have sacrificial pigment that will help keep the contamination from growing/ spreading.
What is magnesium auto body filler made of?
Autobody filler is (basically) made of a vinylester or a polyester type resin. Epoxy primer is (basically) made of an epoxy type resin. vinylester or polyester is never used, epoxy is.
Can I use epoxy primer over etch primer?
ive been told NEVER apply epoxy primer or filler over etch primer.The acids in the etch will cause adhesion problems with filler and epoxy primer.I apply filler over bm.Then epoxy prime. I never use etch primer.
Can you use DP epoxy on a 36 Nash?
I like the DP epoxy when the car has to sit in bare metal for a long time. If the body is coated with DP, you can take your time on the body work without worrying about the bare metal rusting. Just scuff the DP in the area you are filling with 80 grit and apply filler as usual. My 36 Nash was done this way 11 years ago and the paint still looks like new.
Does body filler stick to paint?
The paint company does. Body fillers will stick to most everything, agreed. But that doesn't make it right.
Do collision shops use body filler?
I do agree, collision shops apply body filler right over bare metal all the time without much issue. But you also have to realize that most shops replace parts now a days rather than perform major body filler work. And also, how long does your average person own their daily driver now? The life expectancy is far less than doing a hot rod or custom car. Just because a body shop does this on Mrs. Smiths Ford Taurus doesn't make it right now does it?
What is epoxy primer?
1. Over Bare, Clean Metal – Epoxy primers are amazing at sealing up bare metal and from allowing moisture or corrosion to creep in. Epoxy primer actually seals out the oxygen from the metal, leaving no chance of rust or corrosion forming on the surface like some cheap spray bomb type primers. Etch primer included, epoxy primer is about ...
What is the best primer for bare metal?
Simply put, epoxy is the best primer for bare metal, making it excellent for newly fabricated metal parts or ones that have been fully stripped. 2. Mixed Surfaces – Some primers and coatings need the entire surface to be uniform and all the same material.
What to use to seal metal exposed?
Hi, If there is bare metal exposed we would suggest using Epoxy Primer to seal it all up.
Can you use primer over epoxy?
Alternatively, you can apply filler or primer surfacer over the epoxy to fill any minor imperfections and block flat before you paint. 3. Stacking Coatings – Since epoxy primers adhere mechanically, they will grab onto most anything that has a good texture to the surface.
Can you use self etching primer on metal?
In the past, self-etching primer was the go-to coating to apply over bare metal on a car. Metal requires little prep work to apply it, the primer flashes/dries quickly, and it came in 1K Aerosol cans for small jobs. However, in the past 5-10 years you’ve probably been hearing more people talk about epoxy primers and their use as opposed to self-etching primer.
Do you need to block urethane before painting?
Hi David, Yes we usually suggest to apply a urethane primer and block it flat before applying paint.
Can you use epoxy primer as a sealer?
4. Use it For a Final Sealer – A cool trick we’ve been doing for the past few years is using our epoxy primer as a final sealer before our base coat. Simply reduce it 50 percent and lay a coat or two down to seal up all of your work and have a nice surface to lay your base coat over top of. The primer has excellent adhesion to most topcoats and will help keep actual paint from flaking or peeling. This is great peace of mind for a lasting paint job.
Does Duponts epoxy stick to metal?
Duponts epoxy does not require anything to stick to bare metal.
Can epoxy be acid etched?
If an epoxy requires an acid etch to stick to metal, don't buy it because it serves no point and is a waste of money as the acid etch will now be the weakest part of the paint system as far as corrosion protection, total paint durability and life expectancy for the paint.
