How to Sand Wooden Desks for a Professional Refinish (80–400 Grit)

Wooden desks see heavy daily use—writing, working, or studying leaves scratches, dents, and water rings. Sanding is the essential first step in refinishing a desk for durability and beauty.

Why Sand Desks?

Sanding removes old finishes, smooths imperfections, and prepares surfaces for stain, paint, or sealers. It also enhances the natural grain, making desks look polished and professional.

Tools You’ll Need

• Orbital sander for flat desktop surfaces
• Sanding sponges for legs and edges
• Wet/dry sandpaper sheets (80–400 grit)
• Vacuum and tack cloth
• Protective gear: mask, goggles, gloves

Recommended Grit Sequence

• 80 grit: Removing varnish, paint, or heavy scratches.
• 120 grit: Smoothing surfaces after coarse sanding.
• 220 grit: Preparing bare wood for stain or primer.
• 320–400 grit: Final sanding for silky smooth finishes.

Step-by-Step Process

1. Clear the desk. Remove drawers and hardware for full access.
2. Start with 80 grit. Use 80 grit (25-pack) to strip finishes and smooth dents.
3. Refine with 120 grit. Sand the desktop evenly with 120 grit (50-pack) sheets.
4. Prep with 220 grit. Smooth surfaces using 220 grit (100-pack) before applying finish.
5. Finish with 320–400 grit. Lightly sand with 400 grit (10-pack) for polished results.
6. Clean thoroughly. Vacuum dust and wipe with tack cloths.
7. Apply finish. Stain, paint, or clear coat for durability and style.

Special Cases

For veneer desks, avoid grits below 120 unless stripping is required. For rustic desks, stopping at 180–220 grit maintains natural character while smoothing surfaces.

Pro Tips

• Sand with the grain to prevent cross-scratches.
• Check progress under angled light for imperfections.
• Use sanding sponges for detailed edges and legs.
• Seal desktops with multiple thin coats for added protection.

Aftercare

• Dust desks regularly with microfiber cloths.
• Use coasters and mats to protect from spills and scratches.
• Reapply protective finishes every few years.

FAQs

• Do I need to sand to bare wood? Yes, if staining. For repainting, scuff sanding may be enough.
• Can I sand by hand? Yes—hand sanding works well for small surfaces and details.
• What grit is best before painting? 220 grit provides the ideal balance of smoothness and adhesion.

Watch & Learn

Sanding desks transforms them into polished, professional furniture. Stock up on coarse sheets, medium grits, and fine sandpapers for your next desk refinishing project.