Table of Contents
What grit sandpaper do I use for Bondo?
Make sure to sand outside of the repair area as Bondo will need to be spread and applied wider than the damaged area. (36-grit to 220-grit should do the trick for body filler application). AutoBodyNow.com sells a vast assortment of sandpapers and sanders to complete this step.
What is the best way to sand Bondo?
How do I get a smooth finish with Bondo?
Once the Bondo cures, it’s time to sand. Power sanders are OK to break the surface and knock down any high spots, but hand sanding with the body contour is the best way forward. Cut in with heavier grit sandpaper and work out to about 80 grit to leave a tooth for the following skim coats.
Should you prime before body filler?
Do not proceed to Primer Filler stage until filled area is even. Adding body filler AFTER primer filler should be avoided to prevent possible adhesion, staining and shrinkage concerns.
Can you put body filler on Baremetal?
For small repairs, you can bog directly over the bare metal. If the repair is larger, or you’re looking for a longer-lasting job, apply a base coat of epoxy primer before laying on the filler.
Can I use an orbital sander on Bondo?
This 6 inch Electric Random Orbital Palm Sander by Bondo uses both a random circular and elliptical pattern in a tight 3/32 inch diameter orbital. Once you see the marvelous results, this sander will be your first go to tool on all the projects. For best results, use with Bondo body fillers and 3M sanding discs.
How long should Bondo dry before sanding?
Allow the putty to dry 15 minutes at 77 degrees F (25 degrees C). In cooler climates, putty may take 20-30 minutes to dry. 7. Using 3M™ Sandpaper 80 grit, sand and shape the filled area to the contour of the surface.
Should you wet sand Bondo?
Don’t wet sand filler. Filler is too absorbant and you can have problems getting it dry plus you could cause moisture to wick through to the metal or weaken the bond between the filler and the substrate.
Can you sand down filler?
Some walls need a lot of filling! Gyproc Easi-Filler is easy to mix and use, dries quickly and sands down with the lightest of touches, making it ideal for the kind of blemishes you’re likely to find on your walls.
Can body filler be wet sanded?
Don’t wet sand filler. Filler is too absorbant and you can have problems getting it dry plus you could cause moisture to wick through to the metal or weaken the bond between the filler and the substrate.
What sandpaper do I use for fillers?
What sand paper is best to use on filler? A. Start off with a low grit such as 80-120 to move the majority of the filler, you can then use a high grit like 180-240 to smooth off to an even finish.
Can you paint directly over Bondo?
Can You Put Bondo On Top Of Paint? A direct application of Bondo Ultimate over sanded or cured primer and paint is possible. After applying this filler, it is easy to sand.
How long can Bondo be left unpainted?
Between life and work, the longest time period the bondo would go Unpainted would be about 2-3 weeks.
Does body filler go on bare metal or primer?
The spec sheets for epoxy primer state that body filler can be applied over the primer and it will hold. If you are not using epoxy primer, the filler should be applied to bare metal. When applying filler over epoxy primer, you must scuff the shine off the primer with a grey scuff pad or the filler will not hold.
Does body filler stop rusting?
The mere application of body filler over a substrate won’t stop rust, Miller said. Fillers might contain corrosion resistance and slow the process, “but they’re not gonna stop it,” he said. Put filler on rust, and “(the rust) may continue to grow,” he said.
How thick can you put body filler on?
So in the spirit of political correctness and repeating the party line ” Ideally filler should never be more than 1/8″ thick “.
Can you apply body filler over sanded paint?
Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint. However, with so many different types of aftermarket paint available (lacquer, enamel, urethane, water-based). We recommend that all paint be removed where filler is to be applied.”Nov 3, 2012.
Should Bondo be primed before painting?
You should use a “direct to metal” (DTM) primer to help top coats stick to the metal but it’s not needed under body filler most of the time. Once the metal is primed then you can apply a “filler primer” (2K) to help hide scratches and minor surface irregularities.
Can I use an electric sander for auto body work?
orbital sanders are great tools for anyone who is interested in woodworking, automotive detail, or just wants to buff and sand different materials. They are commonly found in garages, woodshops, and auto body shops. A random orbital sander can be used to polish your car.
What kind of sander do you use for auto body?
There are two primary types of sanders for cars: air sanders and hand sanders. We’ll be focusing specifically on air sanders in this article. Orbital sanders are powerful air sanders that are ideal for light prep work, such as smoothing edges and sanding down old coats of paint.
What is Ada sander?
Dual-action sanders attempt to combine the best aspects of both types of sander. The sandpaper pad moves straight forward and backward, mimicking the belt sander’s linear action, but is also moves in a slightly rotary motion–sometimes with a random orbital motion rather than a purely rotary one.
