Sandable in only 30 minutes. also u should use a lacquer primer or a fill and sand primer over bondo before u use the regular primer because it … 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. 69 ss rs full custom camaro 98 ISCA grandchampion 69 ss rs bb camaro wifes driver 66 Elcamino 350/all dz parts,ac,windows,loaded,my driver I do like to scuff the primer first. Bondo® Glazing & Spot Putty is easy to use, dries fast and stays durable, ideal for filling pinholes in body filler and covering auto body scratches, paint chips and minor dings. It is non-staining, so it won’t affect the color of paint or finishes around the repair area. When the area is dry, apply two coats of spray primer. Wipe the area with a damp cloth. if u used a regular primer i would sand it off before applying the putty. Look for the areas that the primer remained after sanding and you'll find the low areas. It's done all the time. The old nitrocelular glazing putty's (red, one part) were used over primer; bleow base coat, only for filling deep sanding scratches, about the thickness of a fingernail. Can be used with other auto body repair materials. Mar 6, 2014 #14 Lizer;34800 said: I have never had a problem using spot putty over urethane primer. You can use glaze putty over primer. Price: $80.00 – $90.00 a gallon kit. Feather fill G2 is meant to spray over a lot of body filler that’s cut and shaped with 60-80 grit.If you use this, I would spray over a 100 – 150 grit sanded surface. This 1-part nitrocellulose putty dispenses easily and efficiently right from the tube with no mixing, affords a 3-minute working time and is sandable in 30 minutes for fast, efficient repairs. Troy _____ If you don't make mistakes. Product Features: Great for filling pinholes in body filler or minor cracks and holes in almost any surface; Can be sanded and painted I use bondo-cote mastic/polyester glazing putty over primer, but never over paint. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to. ... You CAN apply over sanded 2k primer, or bare metal. I apply the spot putty in one thin coat and let it dry. If you can see the bondo outline, you should block sand the repair area to get it straight, and then feather sand the bondo edges, applying spot putty as needed. Also Know, can you paint over spot putty? K. kortensi. Mar 6, 2014 #13 Thanks guys. Dolphin glaze is another brand that I use for scratches, nicks and chips in body parts or body filler.. Quick and easy to use, dries hard and fast. Unlike many 2-part putties which can require longer to dry, Bondo Glazing & Spot Putty is sandable in as little as 30 minutes. I wouldn't apply spot putty over Rustoleum. Newer spot fillers are two part, much like a runny version of bondo; but again, the less of it … You do not want to apply more pressure to one area over another as this can result in a scratch or dent in the glazing putty itself. I'll see if I can find some. Can't find on the can that you can use it over paint. KO . I know a lot of people use it during priming, but go ahead and use it in body filler. At least sand through it to the primer, then spot in the flaws. Very slight/shallow lows are already filled by the primer, but deeper, more stubborn irregularities will require a treatment with the 3M spot putty. your not doing anything. Might take several small applications to get it right. Bondo Glazing & Spot Putty is a 1-part putty that fills imperfections, pinholes in body filler, scratches, paint chips and minor dings. It also shrinks very little over time, helping to … crashtech Combo Man. 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