Answer
For veneer before painting, scuff lightly with 220, then use 320 for smoother primer prep.
Why it happens
Thin veneer needs light scuffing only, especially near edges and corners.
Recommended grit
Use 220 for light scuffing and 320 for smoother primer prep.
Wet or dry
Dry.
Success check
The veneer is dull and scuffed without exposing the substrate.
What to do
- Clean the veneer surface.
- Scuff lightly with 220.
- Use 320 for smoother primer prep.
- Remove dust before primer or paint.
Avoid: Do not sand through thin veneer.