Answer
For furniture before painting, use 180 or 220 after cleaning. Use 120 only on rough areas.
Why it happens
Furniture needs a clean, dull, evenly scuffed surface before primer or paint.
Recommended grit
Use 180 or 220 for paint prep. Use 120 only for rough areas or old thick finish.
Wet or dry
Dry.
Success check
The surface is clean, dull, and evenly scuffed.
What to do
- Clean the furniture surface.
- Use 120 only on rough or damaged areas.
- Scuff the full surface with 180 or 220.
- Remove dust before primer or paint.
Avoid: Do not paint over dust, wax, oil, or glossy finish.