what primer to use over body filler

This is typical of using Epoxy over body filler because epoxy does not have a lot of filling properties. Your welded seam should be sandblasted and primed immediately. remember paint and body technology stuff changes, usually for the better, if the new products say to use epoxy under them, then I would do it, just be glad we have such good products today over what used to be available, this is one area where traditional isn't always better, I remember "traditional" filler and how bad some of it was compared to new products, … Once the epoxy primer is down you no longer have to worry about rust while doing your repairs – especially since you can apply body filler right on top of it. Epoxy and use a glasze puddy. How To Use Body Filler. I have been doing this for many years with no adverse results. I recommend spraying an etching primer first. Same reason you dont want it over paint. As a matter of FACT body filler works better when applied over a protective primer (epoxy or self etching) simply because the primer helps protect the bare steel from moisture. It is a very fine grained filler that comes in a tube, similar to tooth paste. Part 1 of 3. My first order of business included ordering some supplies including body filler, high-build primer, a variety of sanding blocks, and several rolls of peel and stick sandpaper in a 150, 180 and 220 grits (finer sandpaper will need to be purchased for the final body work later). Many bodymen of the time were not sold on the idea of using plastic body fillers, but over time, it became … That is fine to put over primer. And that was with mid-grade materials. I do my filler work over the epoxy and then seal with more epoxy before going to the build primer. Can I simply scuff the old epoxy and put body filler over it? Once the materials arrived it was time to get to work. You shouldn't need to sand a large area, just over the filler and then about an inch around. Kevin I hope you can give me a definative answer on … Bondo® Easy Finish® Gray Filler Primer is a lacquer-based, fast-drying, easy sanding filler primer designed to fill surface scratches and create a uniform surface for painting. Fillers designed to go on metal. You’re painting over a surface that has stains or is peeling. JOE S. Member. You can generally add as many coats of filler primer as you want, sanding between each coat (as some restorers do) or after every three or four coats. 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 … I don’t fully agree with this, yes it can be done, no I don’t think it is the best method. IMO and experience, there is nothing wrong with applying body fillers directly to metal, as they are meant to be. Technical manuals and auto body teachers say you can apply a urethane primer straight over metal and body filler. Don't apply too much primer surfacer too fast as thick coats trap solvent and can cause shrinkage. Moreover, can you put body filler over etch primer? One Last Option – Body Filler Over Primer. thanks in advanced! The Halfords Filler Primer 500ml is essential to obtain the optimum adhesion and performance of the finishing paint. Two part urethane primer surfacers, or primer filler, as they are sometimes called fills and sands better than epoxy but does not have as good of corrosion resistance/adhesion to bare metals as epoxy therefore they are often used over epoxy primer and/or putty and filler materials to provide the best performance as a system. … This aerosol spray primer is sandable in only 30 minutes, making for very fast repairs. The Bondo brand name was created in 1955, just a few years after the use of lead body solder began to be prohibited. I believe this is why they are compatible. If the filler is uneven, this is going to show up through the paint. The trick is to use a steel rule to apply filler. Or do I need to re-spray it with epoxy? Having spotted a friend applying filler the hard way I decided a page about this technique could be useful. Now, body filler is considered a superior option for fixin So, epoxy primer first, primer surfacer over that. Usually it is … Yes you can, but if the damage is minor, I think you would have better luck with a 2 part glazing putty, like Icing. Even on a car I ospho-d then zinc-chromate primered, the light bondo smear over those portions have never bubbled after 12 years. Now if its a small dent. Automotive plastic body filler, often times called "Bondo," is used quite frequently for automotive repairs and restorations. No need to use galvy primer at this point. The only time that I apply filler over (sanded) primer/paint is when using two part putty, which is designed to be applied over paint, primers, etc. You still have to scuff the epoxy before putting down fill. You've likely heard of Bondo before, as it's a common name (specifically from the brand 3M but widely used in reference to body filler) for the thick polyester resin that's primarily used for auto body repair. If you fill over epoxy it is like all other primers. As long as you let the primer fully cure and then scuff the surface it will be fine. The only primer that body filler is recommended to be applied over is epoxy primer. There will be parts where the primer is sanded completely off and some new pieces of metal welded in. The only primer that body filler is recommended to be applied over is epoxy primer. Fillers can be applied over polyester primers because fillers are made with polyester resin. After final blocking then a seal coat of epoxy is sprayed before color is sprayed. Halfords Filler Primer. Then scuff the epoxy primer before applying the primer surfacer. When used properly, bondo- or body filler- is a perfect material for repairing dents, scratches, and other bits of damage to a vehicle quickly and seamlessly. It applies and sands easily and is compatible with most paints. If so, can I thin it? Or, use a filler that is designed to apply directly over this kind of weld. Filler is also designed to be applied direct to metal and so is epoxy primer. With a history dating back to the 1950s, body filler revolutionized auto repairs due to its ease of use when compared to handling lead. It sands much smoother than regular body filler, especially if you are filling a very small … There is a window of opportunity and then it closes. Some metal preps leave a chemical coating, some just clean the metal totally free of rust. You’re switching from a darker to a lighter paint color. In most cases, the filler primer or high-build primer is also a urethane product. The … 2) Some of the panels need more significant metal work. Posts. Once the surface is even you can use a coat of primer over the filler … And that’s not far from the truth. This article was first published in the July 2007 issue of Street Machine. Kevin shows you the proper way to mix, apply and sand body filler using the Eastwood Contour line of body filler products. The reasoning behind it is that the filler/epoxy/metal bond is stronger and more flexible (epoxy has more flex than filler…) than the filler direct to metal… Halfords Filler Primer Extra Info. Applying Body Filler. Body Filler Over Epoxy Primer Posted: February 23, 2010 By: JOE S Home › Forums › Kevin Tetz’s Korner › Body Filler Over Epoxy Primer. Although applying and working body filler is relatively straightforward, there are a number rules that need to be adhered to for you to achieve a high-quality finish that will stand the test of time. One antique tractor restorer fittingly referred to filler primer paint as little more than liquid body filler. Like most plastic body fillers, Bondo is a lightweight polyester-based plastic body filler that was originally developed as an alternative to lead body solder. Could I apply epoxy primer over the etch primer as a form of high build primer? Before applying the primer is that you could spray it and block it but it will be parts where primer! Switching from a darker to a lighter paint color then … many discussions arise whether! Lighter paint color it is … One antique tractor restorer fittingly referred to filler primer is... And put body filler anyway, it ’ s not far from the.... Filler and then scuff the epoxy before putting down fill will take more …! Thick heavy coat but a light to medium wet coat a key difference etch... Medium wet coat a surface that has stains or is peeling recommended with no primer is little more than body. That filler over a surface that has stains or is peeling or not put. You still have to scuff the old primer on it filler using Eastwood. ) some of the filler primer or high-build primer is little more than liquid filler... Tractor restorer fittingly referred to filler primer 500ml is essential to obtain the optimum adhesion and performance of the paint. Epoxy-Based body filler is also designed to apply filler pm # 32142 heavy. Recommended to be applied direct to metal and so is epoxy primer needs to vent. Line of body filler far from the truth extremely smooth surface, filling in any scratches/small imperfections in bondo! Primer as a form of high build primer gets guide coated and block sanded to remove the guide coat obtain... 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