Answer
For a garden bench before stain, use 80 or 100 on rough areas, then 120 or 150.
Why it happens
Weathered outdoor wood needs roughness removed without making the surface too polished for stain.
Recommended grit
Use 80 or 100 on rough weathered areas, then 120 or 150 before stain.
Wet or dry
Dry.
Success check
The bench is dry, smoother, and ready for stain.
What to do
- Clean and dry the bench.
- Sand rough areas with 80 or 100.
- Refine with 120 or 150.
- Remove dust before stain.
Avoid: Do not stain damp outdoor wood.