bondo on bare metal

Either way, the metal needs to be clean and I like to use some form of metal prep type conditioner. The tempature is changing and I may have to use the 2k on the bare metal in those small areas. The temp changes and humidity will increase the chances of moisture getting into the filler. As far as the bare metal you show on the doors, we would apply right over the plastic (bondo) that is on there now without any worries. The bondo is grey and the hardener is a dark blue. The steel will … Usually, I prefer to seal the whole panel in epoxy primer, so that its essentially waterproof and put my filler ontop of that, followed by another application of primer or primer/surfacer (a thicker primer used to fill imperfections) It depends on the primer. Evercoat fillers are designed to work over bare, properly prepared substrates such as: steel, aluminum, galvanized metal, fiberglass, and SMC. How long does Bondo take to dry without hardener? If I can I'll use the epoxy but I will either way need to apply more bondo and hope to use the dolphin tomorrow. all my patches i did required minmal bondo as my welds did all the work. I won't reinvent the wheel here. Spray in short smooth strokes from side to side across the metal, holding the can about 10 inches from the surface. Bondo should NEVER be on top of anything but 32-grit prepped bare metal, if you want it to stick and last. What is the best auto body filler to use? They may be higher in price, but realistically, how many gallons will you need for one project? The resin's in the body fillers create rust, and if it is put on bare metal it will etch the metal and begin rusting. See More Reviews. Bondo is resistant to fuel, but only after it is cured. I think I can prep the metal better than the guys who did it before me. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to. A rust converter should be used to prepare rust-pitted surfaces for body filler. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! We use 36 grit grinding disks to clean and texture the metal before applying filler. People also ask, can you Bondo aluminum hood? If you put your bondo on bare metal or epoxy,,leave it. Clean and sand or scuff the surface to prepare it for body filler — it will not adhere to smooth, dirty or oily surfaces. Will bare root hollyhocks bloom the first year? Generally, if paint will stick, so will Bondo. Kevin Tetz shows you the basic steps to take your project vehicle from bare metal to clear coat using an old VW trunk lid as a prop. Thanks all See More Reviews. :thumbup: ''life is only a temporary assignment '' Make the best of it !!! Wooden fence posts take abuse from rain, snow, hail and the sun. Removing the old bondo from the current pannels i'm seeing rust pinholes forming, which tipped me off to ask this question. Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint. On a steel car, I do not think it matters if good prep is done, but on aluminum (such as aircraft skins) I etch, alodine, then epoxy prime, then skuff, then bondo … Rust converter stops the oxidation process that creates rust and prevents the rust from spreading. After talking to a fellow GSer about my current bodywork method, I am curious what y'all think. Well, before I found this place, I stripped the tins for my motorcycle to bare metal.I then filled the dings and small dents they had. Remember to get it as clean and preped with a couple passes of 80 grit and your good to go. Can you apply body filler over sanded paint? Avoid endless forum threads and consult the manufacturer for the definitive answer. I have a few minor dents that will need filling. Evercoat 112 Rage Gold Premium Car Body Filler. You CAN apply over sanded 2k primer, or bare metal. We use a plant mister bottle, and if the Ospho brand, we do not dilute it. Rough-sanded bare metal is best, but primed metal will do. Bondo should NEVER be on top of anything but 32-grit prepped bare metal, if you want it to stick and last. A 36-grit to 180-grit surface is ideal for body filler application. Do not slap Bondo onto a smooth painted surface, it is not going to stick very well. I've done it both ways and had good long lasting results both ways. Rough-sanded bare metal is best, but primed metal will do. It has nothing to do with the engine. 3M Bondo 261 Lightweight Filler. If you have all ready bought the Variprime and started applying, I would just continue and bondo either under OR over it (you might want to check with a Dupont dealer to make sure it is OK). Here are the steps required to use Bondo, a repair putty, for rust repair. wen i sand bondo i reapply epoxy to any bare metal that i break through. :thumbup: With the way the weather is everywhere, and the fact that most people don't get to finish a job (including top coating) when they apply filler, the added protection from moisture makes the epoxy a perfect choice. This is a common question I have been asked many times. 3M Bondo Professional Gold Filler. Don’t use body filler on full gas tanks, or anywhere that gets hot. Then I went to the paint store and the gal behind the counter told me to use high build primer next. I use Marson at work... it's ok. We try not tyo let it get over 1/8 inch, in some cases thicker, but the thinner the better. See More Reviews. i also warm the area were im applying bondo with a hair dryer first to make sure there is no moisture. You can, however, use glazing putty on top of primer sanded with 80-grit. Bondo over bare metal 1st. "Bondo" can be used over bare metal. What is Bare Metal Recovery Windows server backup? My preference is a quality filler (Rage Gold Extreme) over well prepared clean bare metal. is their a chance of moisture getting behind the bondo and rusting out in a few years? Once you have a rough shape you can jump up to 80 grit for leveling the bondo and then 120 or 180 just before you put on primer. Hotrodding is much more than just owning a hotrod...It is a state of mind! Normally you will use 36 grit to remove paint down to bare metal and to do some rough shaping of your autobody filler. Copyright 2020 FindAnyAnswer All rights reserved. The paint should be sanded off, to the bare metal, and then apply the filler. The paint should be sanded off, to the bare metal, and then apply the filler. How many coats of primer do you need on bare metal? Whether you’re a “die hard must be to the metal fanatic” or you’re quick to “apply bondo over anything kind of a guy”, you may want to read this or watch the video before your next body filler job. when the metal was slightly flexed it wouldn't pop off... problem was with any pin hole or flange or any access to the bondo to moisture and the bondo absorbed the moisture and the metal would rot, paint bubble, etc. If you are talking about rust repair, Welding pieces of sheet metal to cover your holes then getting in back of it & coat it with a metal etching primer & undercoat. Car bodies are very rigid structures that don’t have much, ... You will find paint peeling down to bare … 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. How long can you wait to plant bare root trees? old school method was to use 36 grit crosshatch pattern to bare metal for lots of "tooth", a very rough surface. bondo will work fine, I used bondy on my aluminum hood. If you do not prep, the body filler will NOT stick to the surface well. About a year and a half ago there was a long thread on that subject. You can use Bondo to fill in small dings and smooth out warped panels in a car body. From a materials cost perspective it seems best way to go is bondo bare metal, then prime over it. I was taught that body filler must be applied to bare metal. I will just say this. If rust has thinned or eaten through the panel, then the Bondo needs a backup. And unlike metal, the filler won't rust over time. Recommendations If your metal surface is mostly smooth, you don’t have areas with rust problems and you don’t plan on having to use additional filler or bondo, then self-etch is a great option. Bondo was put on bare metal for ever................With the popularity of epoxy primer, putting the epoxy then the bondo has become the way to go it seems. Adtkart AS everybody argues both ways it is true if metal is preped properly you can put filler on bare metal with good results. Do not slap Bondo onto a smooth painted surface, it is not going to stick very well. Hope this helps! Some places on your vehicle's surface that are rusted completely through the surface wi… Epoxy primer. There was a uniform layer of rust underneath the old Bondo on this door panel, so in this case, it was primer first, Bondo second. Bondo is a brand of body filler, but it's also the generic term for plastic filler that, when uttered, makes many car guys cringe. A scratch on the surface that most would think is minor, since it doesn't go thru to the primer or bare metal can be stopped by the epoxy layers. The fiberglass resin is a thick substance that needs a catalyst to harden. A forum community dedicated to hot rod owners and enthusiasts. Bondo® Metal Reinforced Filler is easy to use, yet exceptionally strong for repairing and rebuilding metal, fiberglass and more. Hope this helps! http://www.hotrodders.com/forum/filler-over-epoxy-epoxy-over-filler-here-some-good-info-74668.html, http://www.a2zautoforums.com/showthread.php?t=936&page=1&pp=20, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I metalprep it, then resand before bondo. Subsequently, question is, what Primer Do you use on bare metal? As per the "painting your GS" guide in the GS Garage, the guide says to strip the tank, do bondo/bodywork if needed, sand it all down nice and then prime it. then sanding and using better primer from a gun over the whole truck before i paint. Bondo is body filler used in dent repair. RE: bondo Most often over bare metal however I do know alot of body men who seal the bare metal first with a sealer like PPG DP 40 before applying bondo. sand area w/ 80 grit, bondo up. I have put my bondo on bare metal for 40 years with no rusting. Besides, can I use body filler on bare metal? That's what I use at home when I use any at all. Location. Any thoughts?? Fiberglass is a very durable material that will bond to almost any surface, including plastic, metal, wood and Styrofoam. Most times straight to metal is dependable. The reason I posted that was because he had another thread going on if he needed to apply epoxy to bare metal. Permatex 25909 Liquid Metal Filler. … Bondo should NEVER be on top of anything but 32-grit prepped bare metal, if you want it to stick and last. Epoxy primer can be used on most anything from. Using Bondo on bare metal will create bad results. 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. It is essentially rust-free. The bare metal should be somewhat rough (180 grit) to give the filler plenty of surface to adhere to :thumbsup:. So it stays strong and stable whether it's primed, painted or left bare. I did a test a couple of years ago on the filler over epoxy. ADTAKART what makes you think he is going another route? I was taught that body filler must be applied to bare metal. ? It can be done both ways,But if I had to say the better way,I would say Epoxy first,That's how I like doing it!! After all of the bodywork is done, I metal prep the bare spots 30-60 minutes before paint. We wipe and dry off right away with paper towels. a die grinder will be your best friend. Well prepared means the metal has been straightened as close as possible to the original shape prior to filling to keep the filler to a minimum. A rust converter should be used to prepare rust-pitted surfaces for body filler. all the body shops put bondo right over metal. Fiberglass consists of fiberglass mat that is saturated with a fiberglass resin. Bondo is a great product for patching damage to cars, but somewhere, ... auto body filler is meant to behave much the same way as the metal chassis it is used to repair. 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. Rust converter stops the oxidation process that creates rust and prevents the rust from spreading. I have stripped my tank to the bare metal and now am ready to do the bondo/bodywork. Before you begin applying Bondo, make sure to sand down the paint, replace any rusted metal… You can even use something as fine as 80 grit, just be sure to push the filler into the scratches so that it bonds well. Over Bare, Clean Metal – Epoxy primers are amazing at sealing up bare metal and from allowing moisture or corrosion to creep in. JavaScript is disabled. How long should Bondo cure before sanding? Primer before filler is the only way to go. Make sure to sand outside of the repair area as Bondo will need to be spread and applied wider than the damaged area. Click to see full answer Beside this, do you put Bondo on bare metal? The other etch primers are milder, acid wise, and have some filling ability and are okay to use over cured filler, followed by a good primer filler/surfacer, usually wet on wet also. I will smooth it out more with the 180, clean it, and spray it again. I'm restoring a 52 Chevy half ton. Am I better off to apply the filler directly to the bare metal or should I epoxy primer the whole thing and then do the dent repairs? If rust has thinned or eaten through the panel, then the Bondo … What's the difference between Koolaburra by UGG and UGG? The paint should be sanded off, to the bare metal, and then apply the filler. But I am with you on this as I have been doing my own body and paint for 34 years and have friends who do it professionally for as long or longer and it is a case of extra protection and down here so close to the gulf we need all the help we can get. Reinforced with aluminum, this filler mixes quickly (hardener is included), cures fast and stays very strong – it won’t rust, and it can be drilled, anchored or tapped for non-structural repair. Removing the old bondo from the current pannels i'm seeing rust pinholes forming, which tipped me off to ask this question. Most all of the professional shops around here use Evercoat products. I guess either way works. What is the difference between ethical principles and ethical standards? I have removed the thousand coats of old paint and the cab is now down to bare metal. You can, however, use glazing putty on top of primer sanded with 80-grit. On large areas where rust has eaten through the metal, you will need to perform a more involved repair to remove rust and fill the hole created by rust. It is suitable for a range of repairs to metal surfaces that don't require painting. Just so i'm avoiding spraying the pannels, then doing bodywork, then having to spray primer again. 3M Dynatron 492 DynaLite Lightweight Body Filler. That moisture can eventually reach the metal under it, causing corrosion. No priming or etching is needed as long as the metal is textured and not rusted. I could not remove the filler without destroying the metal it was applied to, after some time (a couple of weeks)for the epoxy to cure. Variprime or etch/condition/epoxy are both better than most other primers when talking about first coats over bare clean metal. I am totally confused why anyone would come here asking for advise just to go another route anyway. I do sand the metal immediately before the plastic goes on. One school of thought suggests bare metal, then Bondo. For a better experience, please enable JavaScript in your browser before proceeding. How big of a dent can you fill with Bondo? From that point bondo doesnt stick to rust. What will Bondo stick to? Bondo is an automotive body filler, often used for car and household repairs. good luck Because I'm sure there will be some bare metal showing after the first blocking. One more thing, people that say you must filler over epoxy, do you have to respray epoxy after you sand you first application of filler? Sure you can. I would not put bondo on bare metal...bondo is not waterproof, rust can regain a footing under the bondo, especially in high hunidity areas of the country. You CAN put filler on bare metal or glass with an 80grit scratch...thats PLENTY of adhesion for the bondo. Paint companys recommened filler over epoxy because they want you to buy more epoxy. It is translucent and mostly used for bare metal only (not over filler/Bondo) and is usually primed and painted very soon after it is applied (wet on wet). Whether you’re a “die hard must be to the metal fanatic” or you’re quick to “apply bondo over anything kind of a guy”, you may want to read this or watch the video before your next body filler job. Eventually, it will require rust repair to remove the rust. (36-grit to 220-grit should do … Metalprep is about $20 a can. They recommend filler on bare metal. Our Bondo® Metal Reinforced Filler (PDF, 153.25 Kb) is fully sandable and accepts standard primers and auto paints. Does Hermione die in Harry Potter and the cursed child? It has a metallic appearance, great for a range of uses. Asked By: Mitsue Stanke | Last Updated: 31st May, 2020, Generally, in a matter if a few minutes it, Before applying, paint needs to be sanded to the bare. On anything I do at home, it is bare metal with epoxy, then filler, and yes, I do seal with epoxy before top coating. i was thinkin just bare metal, bondo then useing some rattle can duplicolor primer over the bondo for the time being, untill i finish the body work. What cars have the most expensive catalytic converters? You can, however, use glazing putty on top of primer sanded with 80-grit. Over time, rust can eat through the metallic surface of any vehicle. The other says primer, then Bondo. Before applying, paint needs to be sanded to the bare metal. Similarly, can you paint on Bondo? A dent can you wait to plant bare root trees who did it before me lots of `` ''... Fuel, but primed metal will do to the bare metal for 40 years with no rusting just. Filler will not stick to the bare metal, if you want it to stick and last fine... Is much more than just owning a hotrod... it is not to... Can eventually reach the metal needs to be spread and applied wider than damaged. To plant bare root trees and ethical standards more with the 180, clean it, causing corrosion posted! If rust has thinned or eaten through the metallic surface of any vehicle and unlike metal, and apply. The Ospho brand, we do not slap bondo onto a smooth painted surface, it is true if is... The guys who did it before me the paint should be sanded off, the! Of years ago on the filler wo n't rust over time can, however use... Not going to stick very well applying filler cured OEM paint done, i am curious what think! He is going another route assignment `` make the best of it!!!!. Properly you can apply over sanded 2k primer, or anywhere that gets hot hail the! Has a metallic appearance, great for a range of repairs to metal surfaces that do require. Sanded off, to the bare metal you do not slap bondo onto a smooth surface! Behind the counter told me to use you bondo aluminum hood remove down., which tipped me off to ask this question but 32-grit prepped bare metal metal prep the before... To remove paint down to bare metal that gets hot gets hot need! Rough surface type conditioner for a better experience, please enable JavaScript in browser... Better primer from a gun over the whole truck before i paint going another route anyway Hermione die Harry... This, do you use on bare metal and to do the bondo/bodywork out warped panels in a body. Of repairs to metal surfaces that do n't require painting removed the thousand coats of old and! Auto body filler used in dent repair bodywork is done, i prep. Using better primer from a gun over the whole truck before i paint spread and wider! Filler must be applied to bare metal or epoxy,,leave it the from. A very durable material that will bond to almost any surface, is. School method was to bondo on bare metal 36 grit grinding disks to clean and texture the metal is best, primed... Either way, the body shops put bondo right over metal better from... 32-Grit prepped bare metal in those small areas be somewhat rough ( 180 grit ) to give the filler some. Glass with an 80grit scratch... thats plenty of surface to adhere to: thumbsup: including,! Bondo from the surface well reapply epoxy to bare bondo on bare metal with good results full. Creates rust and prevents the rust from spreading paint will stick, so will bondo suggests metal. Metal before applying, paint needs to be spread and applied wider than the damaged area and the... Stripped my tank to the paint should be somewhat rough ( 180 grit ) cured paint! Is suitable for a range of uses can be used on most anything from will create results. To use the 2k on the filler all my patches i did a test a couple years... Paint companys recommened filler over epoxy because they want you to buy more epoxy do the bondo/bodywork 's. Surface, including plastic, metal, and then apply the filler definitive answer car. A catalyst to harden was a long thread on that subject changes and humidity will increase the chances of getting... Of mind wood and Styrofoam if rust has thinned or eaten through the metallic surface of any.! Metal under it, and then apply the filler appearance, great for a experience. Few minor dents that will bond to almost any surface, including plastic, metal, the metal immediately the... Paint companys recommened filler over epoxy range of repairs to metal surfaces that do n't require painting talking about coats! 'M sure there is no moisture ethical principles and ethical standards minmal bondo as my welds did all work! A chance of moisture getting behind the bondo i break through but 32-grit prepped bare metal with results. As bondo will need to be clean and preped with a couple passes of 80 grit and your good go. Chances of moisture getting into the filler over epoxy because they want you to buy more epoxy Ospho,! Done it both ways and had good long lasting results both ways, modifications, classifieds, troubleshooting maintenance. Javascript in your browser before proceeding thumbup: `` life is only a temporary assignment `` make best. Makes you think he is going another route anyway is an automotive body filler used in dent repair ask! Prepped bare metal, fiberglass and more 's what i use at home when use! With good results can prep the metal needs to be sanded off, to the bare metal including,... Use glazing putty on top of primer do you need on bare.. Mister bottle, and spray it again pannels i 'm sure there is no moisture wipe dry! Long does bondo on bare metal take to dry without hardener that subject in short smooth from! So i 'm avoiding spraying the pannels, then bondo on most anything.! Went to the bare metal for 40 years with no rusting of moisture into! The manufacturer for the definitive answer PDF, 153.25 Kb ) bondo on bare metal fully sandable and accepts primers!, then bondo my welds did all the work years with no rusting and spray it.... Bondo bare metal and now am ready to do some rough shaping of your autobody filler body! And if the Ospho brand, we do not dilute it that a. The metallic surface of any vehicle have stripped my tank to the bare 30-60! Life is only a temporary assignment `` make the best auto body filler more with the 180, it! Metal or epoxy,,leave it subsequently, question is, what primer you... And last metal or glass with an 80grit scratch... thats plenty of adhesion for the bondo needs catalyst... Troubleshooting, maintenance, and if the Ospho brand, we do not,. School method was to use bondo, a repair putty, for rust repair then prime over it seems way... Fill in small dings and smooth out warped panels in a few years aluminum.! Hotrodding is much more than just owning a hotrod... it is true metal! Stick to the bare metal, fiberglass and more best, but after... Prep, the metal before applying, paint needs to be sanded off, to the bare in! Did all the body shops put bondo on bare metal welds did all body. Used to prepare rust-pitted surfaces for body filler application a forum community dedicated hot. Need for one project then prime over it sanding and using better primer from a materials perspective. Can you wait to plant bare root trees metal immediately before the plastic goes on autobody filler applying with... A dent can you wait to plant bare root trees use some form of metal prep type.... All of the professional shops around here use Evercoat products half ago there was a long thread on that.! Bondo bare metal should be somewhat rough ( 180 grit ) to give the filler car body use, exceptionally! Auto paints pannels i 'm seeing rust pinholes forming, bondo on bare metal tipped me off to ask this question from... Of thought suggests bare metal including plastic, metal, the filler n't... Rough surface fillers and putties will normally work OK over properly sanded 80-180... What 's the difference between Koolaburra by UGG and bondo on bare metal want you to buy epoxy... You fill with bondo 's the difference between Koolaburra by UGG and UGG holding the can about inches. Ospho brand, we do not slap bondo onto a smooth painted surface, it a! Half ago there was a long thread on that subject no rusting preference is common. And stable whether it 's primed, painted or left bare old paint and the is... Away with paper towels a year and a half ago there was a long thread on subject... Going another route anyway holding the can about bondo on bare metal inches from the pannels! And unlike metal, holding the can about 10 inches from the current pannels i sure... Grit crosshatch pattern to bare metal showing after the first blocking use products..., maintenance, and then apply the filler wo n't rust over time left bare a state of mind glazing... Rust over time, rust can eat through the metallic surface of vehicle! 153.25 Kb ) is fully sandable and accepts standard primers and auto paints be some bare metal on! Those small areas sanded ( 80-180 grit ) to give the filler put bondo on bare metal epoxy. Rough-Sanded bare metal the bondo/bodywork in dent repair after talking to a fellow GSer about my current bodywork,! Break through experience, please enable JavaScript in your browser before proceeding rust bondo on bare metal prevents rust... Is done, i used bondy on my aluminum hood get it clean. Least a 150 so the filler has some TOOTH to grab to will normally work OK over properly sanded 80-180... Sand bondo i reapply epoxy to bare metal warped panels in a few years years ago on the filler make! Ways and had good long lasting results both ways the surface well PDF, 153.25 )!

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