Bondo selfadhesive body patch provides a firm, metal reinforced contour foundation for bondo body filler and fiberglass resins when applied directly over the patched area. Help with troubleshooting paint problems street rodder. Sometimes the body work requires more coats of primer than other parts of the. Bondo manufactures and markets automotive body repair, household repair and marine prod. The advance auto parts core charge presented to you online today with your item is representative of the most common core charge. Aug 27, 2019 use a plastic or metal spreader to apply thin coats of filler. If you leave area not well mixed, this will cause serious problems down the road.
Get the best deals on bondo automotive repair kits when you shop the largest online selection at. Discussion in the hokey ass message board started by black primer, may 16, 2008. If you see all the plastic, then you needed to use a sealer, if you see sanding. Take your time and make sure the primer coat doesnt drip or bleed on to any other part of the surface. Instead of sticking it onto the sheet metal that i was patching, i had to hold it in place until the bondo began to cure. Why cant body filler be applied over self etch primer. Bondo is a brand of body filler, but its also the generic term for plastic filler that, when uttered, makes many car guys cringe. Bondo r selfadhesive body patch provides a firm, metal reinforced contour. The paint supplier said i should apply a sealer after the primer. Rustoleum paint is a weird paint because it contains whales oil. A foam brush works best, since you can maneuver it in smaller places, but any small paintbrush will work. The only primer that body filler is recommended to be applied over is epoxy primer.
Filler compounds optional, if low spots are discovered and need repair 00. I wont be able to prime until spring comes around here, which would be about march or april. Its is very common for filler to soak up the primer more so than the surrounding metal or exsisting primer. Instead of sticking it onto the sheet metal that i was patching, i had. The problem with this practice is the technician see technician do. Every highend custom car or restoration has body filler on it. Fibreglass long and short strainstandard fillerglazers, only adhere correctly when on bare metal and scuffed with 40 grit up to 120 depending on the product. Some masonry surfaces can have a high ph level which will cause adhesion problems if you apply paint directly to the surface. Place your order online today and pick it up in store at your convenience. Jul 02, 2008 done the rust conversion coating in the past with marginal results. Bondor selfadhesive body patch provides a firm, metal reinforced contour.
How to avoid shrinking the body filler it still runs. You see i have used polyester primer, which is like spraying bondo. This article was written by the it still runs team, copy edited and fact checked through a multipoint auditing system, in efforts to ensure our readers only receive the. It applies and sands easily and is compatible with most paints. If you take your time and pay attention to what you are doing, the new paint will blend in seamlessly with the coat that is already in place. I wanted to show some techniques on working with body filler.
Bondo is one of many national brands you know and trust carried by oreilly auto parts. Also, if youre painting over a glossy surface dont forget to either 1 lightly scuff sand the walls or 2 tsp your walls to remove the dirt. Body filler also has a hardening agent that serves as a catalyst to cure the two ingredients into a durable mass. Or can i use spot putty over that area asis and sand downreprime. The first thing i do with frames, rearfront ends, and misc parts is rough everything up to start using 80 grit, then coat everything with dplf40 epoxy primer. Oct 02, 2009 if u used a lacquer primer or a fill and sand primer all u have to do is sand it abit and then u can use your spot putty, but i recommend using icing as a filler for scratchs and pin holes. Then go ahead and add your second coat of primer or just spot prime and continue painting your project. Jan 01, 2009 prepping for paintin a future issue well revisit body work and paint prep in a much more indepth manner, but lets touch base on the obvious for the time being.
I started sanding and found bondo so i wanted to see what was under it. Have used bondo in many interior and exterior applications without problem. Spread your bondo evenly and with gentle pressure using a larger width bondo spreader. What kind of sealer should go over bondo and primer. How to use body filler the correct way hot rod network. I scraped it all off, used bondo itself, and now i cant tell the patches under the primer. I then sprayed 1 coat of rustoleum out of a can to see what would happen, the cloud disappeared but got lots of pinholes. Bondo before primer question paint and bodywork forum. Once the surface is even you can use a coat of primer over the filler area.
A quality masonry primer will allow you to safely paint over a wider range of ph levels without risk of adhesion loss. Choose an item or category to find the specific products you need. Body filler over epoxy primer to sand or not to sand. As for the hood, i cant get it a whole lot better than it is. Bondo 3m heavy duty dent puller tool auto body repair no. The bondo brand name was created in 1955, just a few years after the use of lead body solder began to be prohibited. Bondo putty will stick to epoxy primer when sanded down to 120grit in the area of a low spot. I doubt that its sand scratches, 220 should be sufficient. How to use body filler the right way 125 steps to perfect paint. Please reduce your quantity or change your pickup store to check stock nearby. If you have any questions, please call 1877advance 2382623 or visit any advance auto parts store.
I have some deep scratches on my fender that i filled in with bondo glazing putty. Bondo ultimate can be applied directly over sanded and cured primer and paint. You can clearly see wood fibres on the back of the peeling bondo. How to repair body panels with filler bondo and prep for paint. Apr 07, 2015 then go ahead and add your second coat of primer or just spot prime and continue painting your project. They are both polyester resin based and act and sand very much the same. Bondo work and primer application 101 pelican parts.
The bondo brand offers a complete line of fillers and accessories putties and glazes, undercoatings, and tools. Just clear it, its a shame to hide that work under primer. Mar, 2008 i have several layers of primer, wetsanded it, then rolled 3 coats of thinned rustoleum oil enamel over it. Cp440 provides excellent gloss holdout, resistance to sand scratch swelling, and sands easily. Get product details, choose a store, and get directions. If you were to get a nick to the metal right next to the bondo, water could travel under the bondo and rust a hole where the bondo is. You can see the top has wood fill applied directly on top of the primer. A good primer applied before painting, and the repair is almost undetectable.
Oct 26, 2015 the problem i see from the video presented is not bondo failure, but substrate failure. Variprime or etchconditionepoxy are both better than most other primers when talking about first coats over bare clean metal. Thanks for watching the my videos, and be a resources by sharing the links to the videos with your friends on facebook and twitter. Cp440 is a high quality acrylic urethane primer surfacer offering high build for fast filling. I have small nick left that i missed before i out the primer on and this thing should be ready to paint. Use this primer over body filler, metal, fiberglass and wood.
Ideally you should use a thin glazing putty over the bondo before applying primer. However, if you do a lot of restoration work, this may work great. Any defect you see or feel in the filler will be amplified when the paint is on the body. Heres a good example on this mcm piece i recently worked on. Eventually the filler will shrink and possibly crack or even fall off. If i had a car completely stripped down to metal or blasted, i would probably go ahead and shoot epoxy over the car to prevent the metal from corrosion. Jul 25, 2011 i painted the tail panel with 2k high build primerfiller. I am not ready to feather out the edges of the patch with filler. The problem i see from the video presented is not bondo failure, but substrate failure. Because generally when it starts cracking, there isnt much you can do to fix it other than do it over again.
Prepping for paintin a future issue well revisit body work and paint prep in a much more indepth manner, but lets touch base on the obvious for the time being. There are several reasons why it is a good idea to apply a masonry primer before paint. Im planning to spray on a filler primer and sand it down this weekend before spraying the urethane paint i bought to match. Bondo double handle locking suction cup dent puller. Bondo 932 self adhesive patch verified purchase con. Evercoats rage gold is good over bare metal, etching, or epoxy primer. It just does work, at least for large albeit shallow patches. Bondo 101 basic for working with plastic body filler. Use a plastic or metal spreader to apply thin coats of filler. Used to repair rustedout wheel wells on my 2008 ford escape. The only reason primer is recomended before bondo is the primer will protect from rust better. With the primer in place and dried, you can start to paint over the area. Apr, 2019 bondo body filler dent repair diy with tips and tricks duration. The trick is not to put it on too thick build up layers or use blocks of wood to fill voids, and to sandtrim while the material is still plastic within 30 minutes of application.
Someone notices that body filler is being applied over sanded paint, then they assume this is a standard practice and they. If you absolutely must use body filler to make the repair, then you should remove all the scale, add a backup screen to cover the holes from the back side, then use bondo bondo glass over the rusted area, sand and finish out with regular bondo body filler for a stronger repair. Save on bondo self adhesive patch 932 at advance auto parts. Most often times, i spot prime my bodyworked areas with 2 coats to achieve coverage, then move on to a full pass. I did not like that the adhesive was so weak that it would not stick to my work pieces, not even a little bit.
Load up your spreader with some bondo mixture and scrape an 1. This aerosol spray primer is sandable in only 30 minutes, making for very fast repairs. 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. Thin layer of bondo, sand it smooth, and primer it over. Ive seen body filler take in water and rust first hand. I then applied epoxy primer over the patch and door skin once the glue had set for several days. If the wood had been properly prepared pressure washed, sanded etc, to ensure a sound substrate, that substrate would have held the bondo properly. Its pretty unlikely to happen and if you keep nicks like that repaired you wouldnt have a problem with rust anyway.
Hi guys my bondo work is sticking out like a sore thumb through my paint work i. Repair still shows under primer telecaster guitar forum. Anyone restoring an old car knows what its like to start working. Bondo body filler dent repair diy with tips and tricks duration. Many bodymen of the time were not sold on the idea of using plastic body fillers, but over time, it became apparent that the lightweight, easy to use nature of body filler was a benefit over lead.
It looked fine from the outside,till it was stripped. Bondo over primer stipping off the primer is there a good product to take off primer. Mar 10, 2008 bondo is a brand of body filler, but its also the generic term for plastic filler that, when uttered, makes many car guys cringe. How to clean bondo for primerauto paint and body tech tips, my friend pete shows us how to clean body filler on a classic muscle car. Bondo showing through paint work basic autobody and paint the. After applying the primer you should apply a sealer to prevent the bondo from showing through. Make sure that the bondo is well mixed until the entire spread is the same color of the hardener. I do heritage restoration work and we use bondo often. Hot rod magazine shows you how to use body filler, commonly. Body filler over epoxy primer to sand or not to sand how.
I mix the plastik honey, bondo and hardener all at once. I can see the spots i put bondo in through my primer. Just let it dry and give the entire truck a light sand with. Would i apply bondo over that area asis and sand downreprime. I removed all the primer and bondo and epoxy primed with spi epoxy and that is how i have done it for the last 10 years.
Find out why bondo is not the right way to repair wood. Its just that the patches of bondo soak up the primer differently than the metal but epoxy is the way to go. You may still see a small amount of the filler while the paint is wet, but as it dries it should become less noticeable. Issues with epoxy bond under filler southern polyurethanes. They filled first on the tailpanel of my car,then epoxied and painted. These bondos do not specify each and every coating they work with. Bondo easy finish gray filler primer is a lacquerbased, fastdrying, easy sanding filler primer designed to fill surface scratches and create a uniform surface for painting. If you want to know how to patch wood with bondo youre barking up the wrong tree. This method has worked great for me, its more of a state of mind than a procedure.
Then, after the primer is off, what can i use to protect the bare metal from rusting or moisture. This stage includes painting the area and blending and smoothing primer and paint. Press down with the spreader to push the filler into the metal. Bondo lightweight body filler quickly and easily fills in dents, scrapes, chips, cracks and rust holes. Body filler, like the 3m brand bondo, contains a paste filler of fiberglass polyester resin and talc, along with a small amount of styrene that acts as a solvent and vaporizes. How to prep bondo putty for primerauto paint and body tech tips. I am going to have to use a light skim coat of filler on it and then high build primer over top of that. Painting over bondo, paint is soaking through the primer. I painted the tail panel with 2k high build primerfiller.
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