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Simply so, will Bondo stick to concrete?
This fast curing 2-part filler allows you to make high-quality, long-lasting repairs to metal, masonry, concrete, painted wood, plastic, drywall and more. Bondo All-Purpose Putty is slightly thicker than other 2-part fillers, making it ideal for repairing vertical surfaces such as doors, walls and siding.
Similarly, it is asked, what will Bondo adhere to?
Clean and sand or scuff the surface to prepare it for body filler — it will not adhere to smooth, dirty or oily surfaces. Generally, if paint will stick, so will Bondo. 7. Conversely, if there's an area you don't want Bondo to stick to, apply a release agent (see tools and materials) or use Scotch tape or wax paper.
Yes. You CAN apply over sanded 2k primer, or bare metal. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to.