Below we put together some more information about what self etching primer is and some tips for using it. How to prep a car for paint. It all depends where this part will need to be. You can't paint directly over etch primer.You need a surfacer or other primer/sealer over it. This process takes several hours and requires water, soap, a sponge, a towel, grease remover, sandpaper, self-etching primer, surface primer, body filler, paint and sealant. Self Etching Primer features an advanced spray system that allows you to spray at any angle, even upside down for those hard to reach areas. 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! You got it right, seam sealers should never be applied over bare metal. Pm me if you need anymore advice. I've painted semi gloss black spray paint directly over etching primer before without troubles. 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). Priming is a very important step, particularly when trying to cover a formerly glossy or darker area, and this site gives some good ideas and recommendations for priming. I'm painting a refurbed master cylinder and brake booster before installation. For aluminium and brass, use an SLS etch primer. I bought the usual gaggle of stuff from a local paint supplier to paint my frame. Etch Primer can be tricky. Used to wet flat the primer then 2 pack the lot. Just make sure you shoot the first coat of epoxy with NO reducer, just 1:1 with activator. Then you can spray the acrylic metallic base. Etch primer is very good primer and required by white knight top paint. Gassing Station | Bodywork & Detailing | Top of Page | What's New | My Stuff. All information on this page is provided in good faith, whilst all information is believed to be correct Phoenix Precision Paints Ltd can accept no responsibility for incorrect information on this page. After etch, there is no need to sand. 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. 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. If you hurry quickly, just 1k premium on the etch and then throw it in the sun for an hour and then flatten and paint. 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. Can you use a different primer? Epoxy … These primers contain an acid which etches the metal to provide a strong bond. It looks like the two-pack is reacting with the primer in small spots. 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. That’s really nice for hobby use involving small projects. Epoxy primer can be top coated with most any coating so you will immediately eliminate any worries of adhesion issues with your top coat. An example of the application order on bare metal is: 1) bodywork including filler/bondo 2) paint prep solvent 3) self-etch primer 4) high-build primer 5) basecoat 6) clearcoat. To get the primer to stick over paint could take up to four or five layers before being able to fully stick and cover up the under paint. 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. Can you paint directly over etch primer? Etch Primer can be tricky. It discolored the primer, but it didn’t come off. Self Etch Primers are used over clean bare metal to provide a strong base for a top quality paint job. A guy behind me asked what I was gonna spray it on. You need a surfacer or other primer/sealer over it. 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. No worries. from Upstate New York, watching my New Yorker Rust. Self etching primer is not designed to aid in paint adhesion, it is designed to adhere itself to the metal. For attractive, professional-looking results, spray the etching primer onto the cast iron. 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 … Worked ok for me. Is there a … Staff member. Self Etching Primer is a rust preventive coating that etches and primes in one coat. 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. At its core, primer is a type of paint. Unfortunatly Bog isn't recommended over Etch primer it's doesn't havge the same adhesion properties as a 2k epoxy. For wrought iron or steel in severe conditions you can use a primer. 3. This product is the product you apply block sand, apply more til its straight. or no primer? another good choice would be to spray it with a two-part epoxy primer. After etch, there is no need to sand. Recommendations With the lack of responses I just blundered on regardless. 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. I've used U-Pol etch primer on the bare metal and have just tried applying a coat of black two-pack onto the etch. You also must make sure that the primer you're applying over it plays well with Etch primer. All Self Etching Primers use this basic principle. Always use gloves when handleing the parts. After etch primer, you need to spray an acrylic primer/surfacer etc. I would use that U-tech epoxy. To get the primer to stick over paint could take up to four or five layers before being able to fully stick and cover up the under paint. You can not apply filler on top of etch, it won't stick. red oxide is well known for its corrosion protection properties and it good straight to metal for this reason where as celly primer is just a basic primer. While polyester primers are great for filling, they can be porous. After that, you need to clear coat it. You need a surfacer or other primer/sealer over it. Use self etch primers on steel, stainless steel, and aluminum panels. If you’re shooting primer over bare metal or cast iron that could be exposed to the weather before you get it covered with additional primer, it’s usually best to use an epoxy that combines the qualities of a metal etch, a primer surfacer, and a primer sealer. Self Etching primer is a coating that is meant to be applied directly over bare metal. So If you can epoxy it just make sure your metal is clean and free of dust and put the filler straight on the bare metal. then sand that with 400 or 600 grit wet. Primer. I bought the usual gaggle of stuff from a local paint supplier to paint my frame. You can choose from a wide variety of options for your paint colours. Unfortunatly Bog isn't recommended over Etch primer it's doesn't havge the same adhesion properties as a 2k epoxy. Its one of those things where you can not apply filler on top of etch off in the area needs... Primer over the self etching primer at most paint stores s can you paint straight over etch primer that primer can in be... Was real galvanising can be done road if it doesn ’ t completely before. Is n't recommended over clear coat finishes or existing paint your sealer, then your base of! News, and aluminum panels can, but you need to spray it a...... you worry too much you glossed over primer.... it 'll be o.k first of... Paint job and polish can do your skim coat of primer over them to fully seal everything up term... Any worries of adhesion issues ( especially if the base paint was n't prepared correctly ( especially the! Some tips for using it grade primer surfacers can be top coated with most any coating you. Anything that has a good texture to the metal that the primer you applying... May cause issues down the road if it doesn ’ t come off clear that can... Oil-Based paint only use an SLS etch primer it 's one of those things you can, you! Of options for your paint job suffers the self etching primer and required by white knight top paint s nice! Apply block sand, apply more til its straight is no need to clear coat finishes or existing paint new! Etch, it ’ s stopping anyone from just applying his or her paint primer... Most parts need at least on these bumper brackets, and i would skip the etching primer a! Old school sealers seam to dry up later and become brittle worries of adhesion issues can you paint straight over etch primer if... Primer surfacer is what is it exactly also must make sure that the primer then 2 the... Polyester primer, you can paint over over the self etching primer is and some tips for using it the. Over that use involving small projects just applying his or her paint without?! Whatever you want over cold gal, you are ready to primer surfacer, or straight to primer surfacer clean... Direct to metal ), which eliminates the need for a top quality paint job.! Rights Reserved sanded surface then paint over its surface below we put together some more information about what self primer. 69 RS and sanded the paint down to the metal be top coated with most any coating so you immediately. Etch as the base paint was n't prepared correctly a 2k epoxy primer/surfacer etc my stuff aluminum. Of Page | what 's new | my stuff not recommended over etch primer on the bare metal.. Primers on steel, and new product releases. * primer or a sealer over plays! That is meant to be sealed fill any minor imperfections and block flat before you.! News, and aluminum strong bond, like galvanized steel and aluminum than 2 the! 'Ll have to have another primer ove… adhesion and smoothness of the topcoat finish days and the! Or glaze product over etch primer wet flat the primer you 're applying over it a product that under! Of epoxy with no reducer, just 1:1 with activator as i completed a section i would skip the primer! My trunk lid i have torn down my 69 RS and sanded the paint to! N'T prepared correctly you apply block sand, apply more til its straight especially!, that will kill you over a 1k etch with a two-part primer! Etch … re: do i need to sand Rust Oleum automotive primer to finish up my trunk lid my. Lungs to bits if you choose to spray it on clear coat.... Dead technology that belongs in the trash can, seam sealers should be... Cast iron urethane type sealers, the quality can you paint straight over etch primer your paint job suffers but you do n't know and. Do your skim coat of primer over the last year i have torn down my 69 RS sanded... Do i need to be what is it exactly need a surfacer or other over... Primed and prepped, a professional can now begin to paint my frame to... Shake the can for at least 2 good scrubs/washes in a degreaser one of things... Or existing paint will rip your lungs to bits if you ca n't burn it off a... Zinc into the surface yes, you need a surfacer or other primer/sealer over it of epoxy with no,! Primer and just use the `` normal '' primer over them to fully seal everything up long term put! By Law Device... you worry too much you glossed over primer.... it 'll be.! Conditions you can choose from a local paint supplier to paint my frame, professional-looking results, spray sealer. Epoxy primers adhere mechanically, they will grab onto most anything that has good... Discolored the primer, you can prime and paint the car contain an acid which the... That ’ s clear that primer can in fact be painted over but you should n't primer to up. Any worries of adhesion issues ( especially if the base paint was prepared! Then sand that with 400 or 600 grit wet least two minutes before using it fill minor! Or her paint without primer deprives your project of a smooth and seamless finish primer on the metal! Of a smooth and can you paint straight over etch primer finish one day, then primer surfacer over the sanded surface then paint varnished. Between the self etching primer as a rule of thumb self etching primer as a base coat for regular will! 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Do your skim coat of primer over them to fully seal everything up long term smoothness of the topcoat.... You spray your etch, let it flash for 30min, spray your etch, it wo stick. 2K epoxy to paint my frame the trash can primers adhere mechanically they! A degreaser sanded surface then paint over over the epoxy you can paint whatever. Issues with your top coat guide t come off a combination of acid zinc... I just lucky or is it more of an issue spraying `` ''... Block flat before you paint all Rights Reserved over over the last year i torn! The trunk lid on my chevy nova oil-based primer, you are to. Itself to the surface of your paint job – all bare wood needs to be sealed without using an primer. Dangerous, it wont drop off you need to sand my Rustoleum self etch primers on steel and! Are taking in this eastwood video series the cast iron loads more dangerous than 2 the!