Updated April 21, 2026
What Sandpaper Should I Use Before Painting?
Most common choice:
120–150 grit → best for general prep
Smooths surface without damaging it
For rough or peeling surfaces:
Start with 80–100 grit
Removes old paint or imperfections
For final smoothing before paint:
Use 180–220 grit
Helps paint stick better and look smoother
For drywall / walls:
Use a sanding sponge or 120–150 grit
Easier for corners and patches
Questions?
Ask Boyd's for advice specific to your project — in-store, by phone, or with our AI advisor.
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