Why does my spray-paint drip?

How can you fix blotchy spray painting?

To give the polyurethane something to "grab", lightly sand the existing finish with steel wool. Do not paint more than one coat at a time. Make sure to shake the can. The best thing to do is to remove as much of the'splotchy paint as possible.

How do you smoothen a spray-painted finish? Basic Spray Paint Techniques First, ensure that your surface is free from rust, debris, and clean. You will see any surface imperfections or bumps through the paint. To remove them, use steel wool or sandpaper to smoothen the surface.

How can you correct spray paint errors?

These mistakes can be fixed by removing any paint that is not needed and reapplying it.

1. If you need to fix drippy sags or runs, level the area with fine-grit paper.
2. Treat rough orange peel areas.
3. Remove "fisheyes," from your paint surface.

Do you need to seal spray-paint?

Spray painted pieces are usually not subject to any additional protection. If you want to make your piece really shine, you could spray clear gloss topcoat. Apply a gloss topcoat, or any other spray coat, in light coats.