An urethane primer surfacer is what is referred by "2K" primer. Am I just lucky or is it more of an issue spraying "real" paint over it? With the surface of your wood completely primed and prepped, a professional can now begin to paint over its surface. Is there a … But a key difference with etch primer is that you need to apply your filler or bondo first directly to the metal before spraying it. The best paint to use is a water-based acrylic one. (Thats "IF" you dont have any body work under it) If you have body work, then yes, you need two to three coats of filler primer over the etch Self etching only needs to be applied to Bare Aluminum. How to prep a car for paint. The epoxy primers do a good job at sealing the surface, It is the only primer body fillers can be applied over the top. I don't know, and I wouldn't want to experiment. no, you got it backwards. Self Etching Primer also gets a bad rap sometimes because it is particular about what coatings it plays nicely with and which it will cause issues with. When I used etch in the past I used to give it a light scuff to get rid of any spots, then prime over the top. I tell him the trunk lid on my chevy nova. #3. This ensures good adhesion and rust prevention. I've painted semi gloss black spray paint directly over etching primer before without troubles. As you can probably assume from the name, a paint primer is a product that goes under the first coat of paint. It is all about the prep work. Wait 4-8 hours for the Bare metal primer to dry then again a light buffing with the pad and then shoot the 1st coat of color. (poly primer, that additive stuff, chassis paint, even a little Evercoat OEM Metal Glaze just in case) The frame was sanded down and sprayed with an etching primer from a spray can. Painting without primer deprives your project of a smooth and seamless finish. Self Etching primer can in fact be painted over but you need to closely follow the manufacturers application and top coat guide. 3 years ago. Certainly, it’s clear that primer can improve a project, but what is it exactly? If you in a hurry, just 1k prime over or etch, then throw it into the sun for an hour, placate it and paint it. You also must make sure that the primer you're applying over it plays well with Etch primer. Once it's been left for a number of weeks, you can wetsand the clear with 2000 and then cut and polish. I'd like to put a good urethane paint at least on these bumper brackets, and would like to put it over epoxy. Use self etch primers on steel, stainless steel, and aluminum panels. So even though you need to spray a top coat over self-etching primer in a hurry, it gives you durable results in a hurry. Epoxy works pretty good over Acid etch as the epoxy does not tend to melt the etch like, say a 2k primer would, only issue will be is the etch is the weakest link but normally OK, if done this way. We suggest using an Epoxy primer over the self etching primer as a barrier between the self etching primer. Its one soul purpose is to level out the surface thats it. A quality exterior primer will give a heavier build and therefore, if you have extreme weather wear and tear on your paint project using a great primer over paint will help cover small imperfections or cracks. Over the epoxy you can do your skim coat of filler and block, then primer surfacer, or straight to primer surfacer. If you use the seam sealer over self etch just let the primer dry for awhile-overnight would be good, and do the scuff thing like you mentioned before applying the seam sealer. Over the last year I have torn down my 69 RS and sanded the paint down to the metal. Etch Primer can be tricky. Yes you need to put finish paint over over the primer as primer is not designed to be left with nothing over it. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. I had no need for a gallon of DP90 + gallon of Catalyst. Monstercolors Metal Etch-Tech Grey Primer 400ml, Etching Primer Paint,Aluminum, Copper, Lead, Tin, Zinc, Steel, Carbon Steel, Chromium, Nickel, Cast Iron & Galvanized Metals 5.0 out of 5 … What Is a Paint Primer? These primers contain an acid which etches the metal to provide a strong bond. Painting With Red Oxide Primer. What’s stopping anyone from just applying his or her paint without primer? It’s a paint intended as an undercoat that prepares numer… As a rule of thumb Self Etching Primers need another coat of primer over them to fully seal everything up long term. These are the steps we are taking in this Eastwood video series. Sign up now to receive exclusive email deals, industry news, and new product releases.*. I would use that U-tech epoxy. Primer. Self Etching Primer is a rust preventive coating that etches and primes in one coat. SHARE POST #9. I was at my local paint shop a few days again, they informed me that you need to paint over etch primer within 30 mins. I've painted semi gloss black spray paint directly over etching primer before without troubles. Epoxy primer can be top coated with most any coating so you will immediately eliminate any worries of adhesion issues with your top coat. Gave it another layer to grip to. You only have to sand it once. any filler or glaze product over etch … As a rule of thumb Self Etching Primers need another coat of primer over them to fully seal everything up long term. Joined: Sep 26, 2004 Posts: 16,548. Recommendations With the lack of responses I just blundered on regardless. Just dont leave the etch tooooooo long before you top coat over it or it becomes "DEAD" and the top coat will peel off if the etch hasnt been keyed up before hand... ALL 2 PACK PAINTS need … A – All bare wood needs to be sealed. Oil based or shellac primers are best. You can't paint directly over etch primer. If your in a quick hurry, just 1k prime over the etch then throw it out in the sun for an hour then flat it down and paint. “Sweet, this means it can be done! Can you use a different primer? 3. Profile Page. I was at autozone today picking up some Rust Oleum automotive primer to finish up my trunk lid. I bought the usual gaggle of stuff from a local paint supplier to paint my frame. I would skip the etching primer and just use the "normal" primer over the sanded surface then paint over that. The acid will actually burn or etch into the metal while embedding the zinc into the surface of the metal. Yes the self etch primer would be a good choice, If you’re going to prime out an entire fender, door, etc. The results are not good. I appreciate your responses. another good choice would be to spray it with a two-part epoxy primer. Eastwood Epoxy Primer is DTM (Direct to Metal), which eliminates the need for a self etch primer. I had no need for a gallon of DP90 + gallon of Catalyst. another good choice would be to spray it with a two-part epoxy primer. Ideal for rub throughs in primer prior to application of color and new bare metal panels. Then air dry. Also etch is bloody dangerous, it will rip your lungs to bits if you don't wear the correct masks. Epoxy primer is a great foundation for your paint job if you are priming over bare metal, body filler, and even existing sanded finishes. from Upstate New York, watching my New Yorker Rust. If you aren’t sure which option … Loads more dangerous than 2 pack, that will kill you over a longer period! It looks like the two-pack is reacting with the primer in small spots. What is the purpose of primer? Etch Primer can be tricky. You will be anything but ready for more paint if you use a self-etching primer on the existing surface as it will likely cause the … Gassing Station | Bodywork & Detailing | Top of Page | What's New | My Stuff. I think it even states it on the etch primer can that you can spray over it within 30 mins I hope this helps Thanks Kevin You can purchase spray cans of etching primer at most paint stores. After that, you need to clear coat it. But don't paint on the straight etch. Choose a paint primer that is specifically made to go over a glossy surface and make sure that the primer is able to accept the new paint of your choice (usually latex). You can not apply filler on top of etch, it won't stick. This is one of those things you can, but you shouldn't. Once applied and dried (couple of hours) Use a 3m Scotch Brite pad to knock down any nibs and then shoot the Bare metal primer over the entire Prepped (Acetone wipe down) surface. Self Etch Primers are used over clean bare metal to provide a strong base for a top quality paint job. It’s no secret that self etching primer is one of the best options for sealing up metal and keeping a barrier between bare metal and the moisture that tries to rust the metal! so adding a primer which has good anti corrosion properties on the top of self etch offers no added protection and will be more expensive i wold just use a good high build primer on top of etch. Thanks for the latest replies. Self etching primer is not designed to aid in paint adhesion, it is designed to adhere itself to the metal. Just make sure you shoot the first coat of epoxy with NO reducer, just 1:1 with activator. you cant put etch under filler, over is fine. If you choose to spray paint, avoid windy days and shake the can for at least two minutes before using it. This product is the product you apply block sand, apply more til its straight. The purpose of using primer is to prime the car to get it ready for paint, create a textured surface for it to adhere to. Unfortunatly Bog isn't recommended over Etch primer it's doesn't havge the same adhesion properties as a 2k epoxy. Re: Do I need to sand my Rustoleum self etch primer before painting over it? Most parts need at least 2 good scrubs/washes in a degreaser. We suggest using an Epoxy primer over the self etching primer as a barrier between the self etching primer. Applying an etch primer over the high build will help with paint adhesion, making sure that the paint over all of these layers will stick well and not be affected by any of the leftover gloss underneath. N'T have to get every bit of etch off in the trash can for... A number of weeks, you are ready to primer and just use the right materials and process... Wood completely primed and prepped, a professional can now begin to paint my frame etch off in area... 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