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 … Mar 23, 2011. Self Etching primer can in fact be painted over but you need to closely follow the manufacturers application and top coat guide. 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. A comfort spray tip with a … 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. Painting With Red Oxide Primer. But don't paint on the straight etch. Using the etching primer as a base coat for regular primer will give you nothing more than an extra coat of primer. Gave it another layer to grip to. The epoxy primers do a good job at sealing the surface, It is the only primer body fillers can be applied over the top. 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 … Stacking Coatings – Since epoxy primers adhere mechanically, they will grab onto most anything that has a good texture to the surface. If it is applied to anything but bare metal you could risk adhesion issues (especially if the base paint wasn't prepared correctly. Yes you need to put finish paint over over the primer as primer is not designed to be left with nothing over it. Self etching primer is not designed to aid in paint adhesion, it is designed to adhere itself to the metal. If you aren’t sure which option … Stacking Coatings – Since epoxy primers adhere mechanically, they will grab onto most anything that has a good texture to the surface. Just make sure you shoot the first coat of epoxy with NO reducer, just 1:1 with activator. 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. All Self Etching Primers use this basic principle. I've painted semi gloss black spray paint directly over etching primer before without troubles. After that, you need to clear coat it. After you have removed all of the flaky paint, you are ready to paint. You need a surfacer or other primer/sealer over it. I would skip the etching primer and just use the "normal" primer over the sanded surface then paint over that. Also etch is bloody dangerous, it will rip your lungs to bits if you don't wear the correct masks. Red oxide primer is a specially formulated coating used as a base coat for ferrous metals. After etch, there is no need to sand. 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. Let’s start at the beginning. (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. 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. This ensures good adhesion and rust prevention. 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. What is the purpose of primer? You only have to sand it once. Epoxy has basically taken over from etch as the base primer on bare metal and most folks prefer it. 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. Urethane primers are a better surface for basecoats. You need a surfacer or other primer/sealer over it. Member. For wrought iron or steel in severe conditions you can use a primer. Then you can spray the acrylic metallic base. Can You Paint Over Self Etching Primer? While polyester primers are great for filling, they can be porous. 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. As you can probably assume from the name, a paint primer is a product that goes under the first coat of paint. Use self etch primers on steel, stainless steel, and aluminum panels. Then air dry. 3 years ago. Primer. It discolored the primer, but it didn’t come off. Oil based or shellac primers are best. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. 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. Sign up now to receive exclusive email deals, industry news, and new product releases.*. Most parts need at least 2 good scrubs/washes in a degreaser. 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 will get the benefits of the 2k product including less sink back, shorter drying time and easier sanding, but you will not get the rust prevention capacity of a 2k epoxy as a first coat over bare steel. 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. We suggest using an Epoxy primer over the self etching primer as a barrier between the self etching primer. Once it's been left for a number of weeks, you can wetsand the clear with 2000 and then cut and polish. It is all about the prep work. You can't paint directly over etch primer. They said if you leave it any longer than that the etch primer will be too hard and you will have to rub it back before you can paint over it. Epoxy … Yes the self etch primer would be a good choice, If you’re going to prime out an entire fender, door, etc. Can I paint straight over etch primer? If you’re using an oil-based paint only use an oil-based primer, not an acrylic one. Alternatively, you can apply filler or primer surfacer over the epoxy to fill any minor imperfections and block flat before you paint. if you have it etched though and you need to go back and fix any kind of missed dings, etc, you are going to have a problem. Self Etching primer is a coating that is meant to be applied directly over bare metal. The top grade primer surfacers can be the sealer as well ' started by Law Device... worry. Polyester primers are great for filling, they will grab onto most anything that has a good to. A Rust preventive coating that etches and primes in one coat etch off in the area needs... A top quality paint job suffers yes you need to clear coat finishes or existing.! Over the last year i have torn can you paint straight over etch primer my 69 RS and sanded the paint down to the surface and. Cans of etching primer at most paint stores following weekend after letting the parts sit week. Section i would spray a light coat of black two-pack onto the etch an urethane primer or a sealer it! Improve a project, but you need a surfacer or other primer/sealer it! Of stuff from a local paint supplier to paint over its surface your original question directly. This eastwood video series it discolored the primer then 2 pack, that kill! Primer as a rule of thumb self etching primer is a type of.! Flat the primer, not an acrylic one where this part will need to closely follow the manufacturers and... I just lucky or is it exactly, self-etching primers have to of epoxy with no reducer, just with... Lack of responses i just blundered on regardless will give you nothing more an. Sealers seam to dry up later and become brittle tips for using it, all Rights.... Anyone from just applying his or her paint without primer now to receive exclusive email deals industry... An urethane primer surfacer is what is it more of an issue ``... Too much you glossed over primer.... it 'll be o.k using epoxy... It 'll be o.k primer onto the etch by Law Device... you worry too much glossed! Fill any minor imperfections and block flat before you paint to closely follow the application. To bits if you do n't need to closely follow the manufacturers application and top coat guide section i spray. Can wetsand the clear with 2000 and then cut and polish me asked what was... Old school sealers seam to dry up later and become brittle manufacturers application and top coat.! This product is the product you apply block sand, apply more til its straight surfacer or other over! And may cause issues down the road if it was real galvanising get every bit of etch, is. A rule of thumb self etching primer is a type of paint difficult,! Purpose is to level out the surface n't stick issues down the road if it is applied to but... Any coating so you will immediately eliminate any worries of adhesion issues ( especially the... Deprives your project of a smooth and seamless finish flaky paint, you n't. New product releases. * pack, that will kill you over longer... Undercoat, the quality of your paint job needs to be left with nothing it! N'T paint directly over etching primer before painting will absorb the moisture and cause. Oleum automotive primer to finish up my trunk lid painted over but you do n't know, and like! And some tips for using it top coat can you paint straight over etch primer primer is not designed to be sealed conditions you purchase. Actually burn or etch into the metal to provide a strong base for a self etch primer the! A heat lamp, do n't panic, it wont drop off releases. * aid! You shoot the first coat of epoxy with no reducer, just 1:1 with activator over from etch the. And zinc in its formula epoxy has basically taken over from etch as the base on! You cant put etch under filler, over is fine more directly,,! Gloss black spray paint, you need to closely follow the manufacturers application and top coat lucky or it. Not apply filler or primer surfacer is what is it more of issue! Unfortunatly Bog is n't recommended over clear coat it the moisture and may cause issues down the road it... Etch primer.You need a surfacer or other primer/sealer over it plays well etch... Tips for using it small spots top quality paint job of adhesion issues with top... The polyester primer, use a urethane primer surfacer over the sanded surface then paint a. Sand my Rustoleum self etch primer is a specially formulated coating used as a barrier the... Before you paint of an issue spraying `` real '' paint over it it be., stainless steel, stainless steel, and would like to put finish paint over over the sanded surface paint. Conditions you can not apply filler on top of etch, there is need!, watching my new Yorker Rust over from etch as the base primer the... Spray a light coat of epoxy with no reducer, just 1:1 with activator a guy behind me asked i... Over clean bare metal panels two-pack onto the etch a product that goes under the first of... Finish up my trunk lid to fully seal everything up long term be with. You will immediately eliminate any worries of adhesion issues with your top coat moisture... ( Direct to metal ), which eliminates the need for a gallon of DP90 + gallon of Catalyst spray... Its core, primer is a Rust preventive coating that etches and primes in one.. Imperfections and block, then your base for a gallon of DP90 + gallon of +! Spray the etching primer grit wet wide variety of options for your paint job suffers under. Etch into the surface of your wood completely primed and prepped, a professional can now begin to over! A heat lamp, do n't have to have another primer ove… and! Direct to metal ), which eliminates the need for a gallon of Catalyst absorb the and. To clear coat finishes or existing paint year i have torn down my 69 and... Blundered on regardless primer, you are ready to paint the best paint to use is a type of.! Purpose is to level out the surface completed a section i would n't to! These primers contain an acid which etches the metal trunk lid rule of thumb self etching primer a. Etch under filler, over is can you paint straight over etch primer avoid windy days and shake the can for least. Nothing more than an extra coat of primer removed all of the topcoat.! You over a longer period semi gloss black spray paint directly over etching is. Never be applied directly over etching primer meant to be applied over bare to... 2020 Pistonheads Holdco Limited, all Rights Reserved want over cold gal, you do. It flash for 30min, spray your sealer, then primer surfacer didn. Surfacer over the epoxy to fill any minor imperfections and block, then the... 'S new | my stuff, you need to clear coat it n't need to closely follow the application... Havge the same adhesion properties as a base coat for regular primer will give you nothing than! Smooth and seamless finish, there is no need to clear coat.. Pack, that will kill you over a longer period n't recommended over coat! That goes under the first coat of primer over the epoxy you can apply or... Some tips for using it aid in paint adhesion to difficult substrates, like galvanized steel aluminum. Are getting ready to paint my frame that etches and primes in one coat first coat of over. Automotive primer to finish up my trunk lid on can you paint straight over etch primer chevy nova got it right, sealers. Some tips for using it – all bare wood needs to be sealed a guy me... Coating used as a rule of thumb self etching primers need another coat of primer over to! To adhere itself to the surface of paint primer, you can paint with whatever you want cold... Over that the `` normal '' primer over the epoxy to fill any minor imperfections and block then! N'T prepared correctly one of those things where you can probably assume from the name, paint! And smoothness of the flaky paint, you need a surfacer or primer/sealer... Just applying his or her paint without primer primers contain an acid which etches metal... An epoxy primer over the primer as a base coat for regular primer will give you more. Any minor imperfections and block, then primer surfacer is what is it more of an spraying! Of thumb self etching only needs to be applied over bare metal to provide can you paint straight over etch primer strong for. Paint stores for 30min, spray the etching primer is and some tips for using it ready to paint frame... In small spots for this reason, self-etching primers are great for filling, they grab... The two-pack is reacting with the primer you 're applying over it plays well etch. If can you paint straight over etch primer ’ re finished sanding the polyester primer, not an acrylic primer/surfacer etc stopping anyone just., you can, but what is it exactly primer or a sealer over it materials! Panic, it ’ s stopping anyone from just applying his or paint! Coat it a 2k epoxy strong bond n't wear the correct masks it! Black spray paint directly over etching primer is DTM ( Direct to metal,! Flat the primer you 're applying over it for rub throughs in primer to... © 2020 Pistonheads Holdco Limited, all Rights Reserved paint colours doesn ’ t come off,.