Refinish Wooden Workbench Top with 60, 400, and 3000 Grit Sandpaper

A wooden workbench top can become stained, dented, and uneven after years of use. Using 60, 400, and 3000 grit sandpaper, you can strip away grime, smooth the surface, and prepare it for a durable protective finish.

Why This Method Works

60 grit removes heavy damage, glue spots, and old finish. 400 grit refines the surface for even finish application. 3000 grit burnishes the wood for a smooth, professional-grade feel.

Tools & Materials

• Wet/dry sandpaper: 60 grit (100-pack), 400 grit (25-pack), 3000 grit (25-pack or 50-pack)
• Orbital sander or sanding block
• Vacuum or dust brush
• Microfiber cloths
• Workbench oil or polyurethane

Recommended Grit Sequence

• 60 grit: Remove deep damage and old finish. (100-pack)
• 400 grit: Smooth surface for a uniform finish. (25-pack)
• 3000 grit: Burnish for a silky touch. (25-pack) or (50-pack)

Step-by-Step Process

1. Preparation. Clear the workbench and clean the surface to remove dirt and debris.
2. Coarse sanding. Use 60 grit sandpaper to strip away old finish, dents, and glue spots.
3. Intermediate smoothing. Switch to 400 grit sandpaper to refine the texture and prepare for the final sanding.
4. Final burnish. Lightly sand with 3000 grit (25-pack) or 3000 grit (50-pack) to achieve a smooth, refined feel.
5. Apply finish. Coat with workbench oil or polyurethane for protection and durability.

Special Considerations

Use extra care with coarse grits to avoid creating uneven spots, especially near edges.

Pro Tips

• Sand with the grain to prevent scratches.
• Vacuum thoroughly between grit changes for a cleaner finish.
• Reapply protective finish periodically to extend the bench’s life.

Aftercare

• Wipe spills immediately to prevent stains.
• Keep tools clean to avoid transferring dirt and oil to the surface.

FAQs

• Can I skip 400 grit? No—skipping leaves scratches that 3000 grit won’t fully remove.
• Will 3000 grit make it slippery? It produces smoothness without reducing grip when paired with a matte or satin finish.
• Can this method work on hardwood and softwood benches? Yes—just adjust sanding pressure accordingly.

Watch & Learn

Get your wet/dry sandpaper kit and bring your workbench back to peak condition.