How to Sand a Cutting Board for a Smooth, Food-Safe Finish (150–320 Grit Guide)

Properly sanding a cutting board not only enhances its appearance but also ensures it’s safe for food preparation. Using the right grit sequence creates a smooth surface that’s gentle on knives and easy to clean.

Why Sand a Cutting Board?

Over time, cutting boards can develop knife marks, rough spots, and uneven surfaces. Sanding removes these imperfections, smooths the grain, and preps the board for a protective, food-safe finish.

Tools & Materials

• Orbital sander or sanding block
• Vacuum and tack cloth
• Wet/dry sandpaper sheets
• Dust mask and safety glasses
• Food-safe mineral oil or board cream

Recommended Grit Sequence

• 150 grit: Removing knife marks and surface damage.
• 220 grit: Refining the surface before final polish.
• 320 grit: Creating a silky-smooth, finish-ready surface.

Step-by-Step: Sanding a Cutting Board

1. Prepare the workspace. Work on a stable surface and secure the cutting board to prevent movement.
2. Initial sanding. Use 150 grit (25-pack) to remove deep scratches and restore flatness.
3. Refining. Switch to 220 grit (100-pack) for a smoother, more even surface.
4. Final polish. Finish with 320 grit (25-pack) to create a silky, food-safe finish.
5. Clean thoroughly. Vacuum dust and wipe with a damp cloth—ensure the board is completely dry before applying finish.
6. Apply finish. Coat the board with food-safe mineral oil or board cream, allowing it to soak in before wiping off excess.

Special Cases

For end-grain cutting boards, sand more slowly and evenly to prevent tear-out of the wood fibers.

Pro Tips

• Always sand with the grain for the smoothest finish.
• Reapply mineral oil regularly to maintain protection.
• Label your sandpaper by grit to stay organized during the process.

Aftercare

• Wash with mild soap and warm water—never soak in water or put in the dishwasher.
• Re-sand and refinish as needed to keep the board smooth and hygienic.

FAQs

• Do I need to sand a brand-new cutting board? Sometimes—light sanding can improve the smoothness even on new boards.
• Can I use a belt sander? Yes, for large boards, but take care not to remove too much material too quickly.

Watch & Learn

For a perfectly smooth, food-safe cutting board, stock up on the right grits. Shop all wet/dry sandpaper sheets today.