Can You Sand Flat Paint

After the final coat of flat paint, sand lightly with super fine sandpaper. Your project should be smooth and even. Remove sanding residue with a soft bristled brush attachment on a vacuum.

Can you sand a painted surface?

For previously painted water-based paint, sand with a fine-grit sandpaper. For oil-based paint, a medium-grit sandpaper (100- to 150-grit) should be used. Again, wipe away any debris and allow to dry completely. Cracking or flaking paint on previously painted surfaces can also be an issue.

What happens if you buff matte paint?

Matte paint should not be polished because it will make the finish look uneven. … Polishing matte paint won’t make it look like a gloss finish, but it will permanently change the characteristics of the paint. When you polish certain sections, the finish will look very inconsistent.