How to Sand Wooden Bookcases for Painting or Staining (80–320 Grit)

Wooden bookcases hold heavy loads and see daily use, which often leads to scratches, dents, and worn finishes. Sanding is the first step in restoring their beauty and preparing them for paint, stain, or protective coatings.

Why Sand Bookcases?

Sanding removes old coatings, smooths imperfections, and ensures new finishes adhere evenly. It also prevents blotchy stain absorption and gives painted bookcases a professional look.

Tools You’ll Need

• Orbital sander for large surfaces
• Sanding sponges for corners and edges
• Wet/dry sandpaper sheets (80–320 grit)
• Vacuum with brush attachment
• Mask, goggles, and gloves

Recommended Grit Sequence

• 80 grit: Removing old paint, varnish, or rough surfaces.
• 120 grit: General smoothing after coarse sanding.
• 220 grit: Preparing bare wood before primer or stain.
• 320 grit: Final sanding for smooth, touchable finishes.

Step-by-Step Process

1. Empty the bookcase. Remove all books, shelves, and hardware.
2. Start with 80 grit. Use 80 grit (25-pack) to strip finishes and smooth rough boards.
3. Refine with 120 grit. Sand surfaces with 120 grit (50-pack) wet/dry sheets.
4. Prep with 220 grit. Smooth shelves and sides using 220 grit (100-pack) before applying paint or stain.
5. Finish with 320 grit. Lightly sand with 320 grit (25-pack) for silky smoothness.
6. Clean thoroughly. Vacuum dust and wipe with tack cloths.
7. Apply finish. Paint, stain, or seal for long-lasting protection.

Special Cases

For plywood or veneer bookcases, avoid coarse grits below 120 unless stripping is needed. For rustic bookcases, stopping at 180–220 grit maintains texture while preparing for stain.

Pro Tips

• Sand with the grain for smoother results.
• Use sanding sponges for corners and detailed trim.
• Prime before painting to prevent uneven absorption.
• Work in sections to ensure consistency.

Aftercare

• Dust shelves regularly to maintain finishes.
• Reapply protective coatings every few years.
• Use shelf liners or pads under heavy items to reduce wear.

FAQs

• Do I need to sand to bare wood? Yes, if staining. For painting, scuff sanding may be enough.
• Can I sand bookcases by hand? Yes—hand sanding works well for small areas and edges.
• What grit is best before painting? 220 grit provides the right texture for adhesion.

Watch & Learn

Sanding bookcases refreshes their appearance and extends their life. Stock up on coarse sheets, medium grits, and fine sandpapers for your next bookcase refinishing project.