If you use an etching primer you must make sure it is properly cured before using filler. Otherwise, the phosphoric acid vapors left over from the application of paint can slow down the cure of the filler resin. Grind the primer off with 36 grit and feather around it with a d.a. Sander with 80 grit and you will be fine you dont ever put filler over primer, sealer etc.! davis574ord , Mar 14, 2010 SHARE POST #12Mix up your epoxy and reduce it 50% with 870 reducer ans spray two light coats before paint. Tip for you - sanding the DP epoxy primer can be a problem as it tries to ball up a little on your sand paper. If you need to scuff over any dirt balls, runs etc prior to painting use some wax and grease remover instead of water to wet sand with. Assuring A Proper Repair When Welding Vehicle Sheet Metal Any weld that is performed on a vehicle requires certain steps to assure a proper repair. For example, weld-through-primer must be applied to the welded surface being welded; corrosion protection must be applied to the back side of the welded area, etc. In this article we are going to discuss why fiberglass is required for auto body repair.
A primer should be applied after your moisturizer and before the foundation. It’s essential to let it sink in for a few minutes (give it enough time to penetrate into your skin). Apply it with your fingers to the areas where your makeup doesn’t last longer (usually chin, lips, eyelids) or over to the whole face. is bondo fiberglass resin epoxy or polyester, Polyester resin is the most commonly used type of resin and the cheapest. Resin is a thick fiberglass liquid that when mixed with 2 percent catalyst becomes a solid. You can use more or less catalyst to change the amount of time it takes to harden but don't use much less than 2 percent. If you have clean (blasted) metal, you can/should spray epoxy primer over the metal. There is no need for etch BUT wipe/ prep the metal as described by the paint manufacturer (you can wipe with lacquer thinner, but carefully/thoroughly wipe off the thinner residue with a good quality (and recommended brand) of wax and grease remover. We use one ... May 14, 2010 · Fillers designed to go on metal. Same reason you dont want it over paint. It just doesnt bond good enough. Now if its a small dent. Epoxy and use a glasze puddy. That is fine to put over primer. 2,095 Posts. Discussion Starter • #1 • Jun 9, 2009. I"ve heard its better to put bondo on bear metal. then i also heard you should take it to bare metal then primer, bondo, then primer over the bondo. if so what kind of primer should be used. 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. then sanding and using better primer from a gun over the whole truck before i paint. May 24, 2016 · The pack of Bondo putty comes labeled with directions of use and mixing printed over it. You can read these label directions for proper and suitable application of Bondo putty over the surface to be repaired. You can let the putty dry completely afterwards and you can ensure proper temperature and dryness conditions to make the adhesive fix ... The answer - maybe. Depends on the size of the repair and how well you got out the rotten part. I think you will see the repair - bondo and wood don't move the same. I think you are going to have to repair it again in the future. The next one I would cut out the old part and fit in a wood patch. The bondo can be used to fill in the joint line. Application: Same as above except make sure you use a sealing primer on the bare metal before you lay down the filler. Cons: Not as strong as the above metals. Has a good possiblity of cracking. Can still absorb water if not sealed properly. You may have fiberglass hairs screwing up your final paint job. 4. Bondo JUST DONT USE IT
Its OK to use bondo up to 1/4 inch. If it is your pride and joy, I'd do a little more work to reduce the dent. Using Metal-2-metal will make it a little stronger than normal bondo. Green is just the color of a specific brand. They skim coat the entire car with bondo so that they can block it until it is perfect. wagonman100 Site Ambassador Posts 14829 The only primer that body filler is recommended to be applied over is epoxy primer. I normally do not use this method. However, if you do a lot of restoration work, this may work great. 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.
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ColorPlus® Touch-up Kits can be used to cover nicks, scrapes and nail holes that may occur over time. If the touch up area is larger than the size of a dime, the use of ColorPlus® Touch-up Kit is NOT recommended. It is advised to replace the damage siding with a new section of ColorPlus® siding. Primed Products It has been awhile since I sprayed PPG dplf, but I believe you needed to spray color within 24 hours or you had to sand the entire car down again and top again with epoxy primer. I would defer to the specification sheet for the brand primer and paint you bought. You don't want adhesion problems over something small you missed. At the same time polyester based primers also became popular. No matter what type of filling primer you use, it should be applied with a minimum of build, and the manufacturers instructions should be followed. CONCLUSION. It’s your decision as to how you want to repair the body on your 356, and you will have to live with the results. USC High-Build Primer/Surfacer is as tough and durable as they come. Premium high-build polyester formulation is a highly durable primer/surfacer you can use on fiberglass, aluminum and properly prepared steel. Aug 06, 2004 · You can still primer your car but places you need to put filler just grind the primer back off. If its just light dents that you are working with some lightweight fillers will go to primer you can just scuff the spot that needs to be fixed and just apply the filler to the spot.