To smooth dry paint, you can effectively use a method involving primer and sanding.
Preparing and Sanding Dry Paint
A proven technique to smooth dry paint, especially when dealing with uneven surfaces or texture, involves applying a layer of primer followed by careful sanding. This process helps create a uniform and smooth base for subsequent paint layers.
Here’s a breakdown of the steps:
- Apply a layer of primer: Start by applying a thin, even coat of quality primer over the dry paint surface. Primer helps to fill in minor imperfections and provides a consistent base.
- Let it dry: Allow the primer to dry completely according to the manufacturer's instructions. Drying times can vary based on humidity and temperature.
- Sand it down: Once the primer is fully dry, sand it down using 220-grit sandpaper or fine sanding sponges. The goal is to create a smooth surface without removing the primer entirely.
- Monitor the sanding: Keep sanding it down until the layer generates dust. This indicates you are lightly abrading the primer layer.
- Avoid over-sanding: Don't overdo this process, or you will have to reapply a layer of primer. Excessive sanding can remove the primer down to the original paint or substrate, defeating the purpose of creating a smooth base.
By following this process, you can significantly improve the texture of a dry painted surface, preparing it for a smoother finish coat. Always clean the surface thoroughly after sanding to remove dust before repainting.