How to Sand and Prep Wooden Furniture for Painting or Staining (80–320 Grit Guide)

Old wooden furniture can be transformed into stunning, functional pieces with the right prep work. Sanding is the most important step in achieving a smooth, professional finish. The 5-Inch 8-Hole Sanding Discs, Hook & Loop, Assorted Grit (50-Pack) give you the perfect grit range to strip old finishes, smooth imperfections, and prepare the surface for paint or stain.

Why Sanding Matters

Proper sanding ensures the finish adheres evenly, removes surface defects, and opens the wood grain for better absorption. Skipping grits or sanding incorrectly can leave scratches that show through the final coat.

Tools & Materials

• Assorted Grit Sanding Discs (80, 120, 180, 220, 320 grit)
• Random orbital sander
• Vacuum or dust collection system
• Tack cloths
• Paint or stain and appropriate brushes or sprayers

Grit Progression for Furniture

• 80 Grit: Heavy stripping of paint or varnish.
• 120 Grit: Smooths rough areas after stripping.
• 180 Grit: Refines surface before primer or stain.
• 220 Grit: Prepares for final finish application.
• 320 Grit: Creates an ultra-smooth surface for topcoats.

Step-by-Step Furniture Prep

1. Disassemble if Possible: Remove hardware, drawers, or legs for easier sanding access.
2. Start with 80 Grit: Remove old finishes and level damaged areas.
3. Move to 120 Grit: Eliminate coarse scratches and start smoothing the surface.
4. Refine with 180 Grit: Prepare for finish adhesion.
5. Use 220 Grit: Smooth the surface to a near-final texture.
6. Finish with 320 Grit: Achieve a professional smoothness before applying the topcoat.
7. Clean Thoroughly: Vacuum and wipe down with a tack cloth before painting or staining.
8. Apply Finish: Follow product instructions for best results.

Pro Tips

• Always sand with the grain to avoid visible scratches.
• For delicate carvings, hand-sand to preserve detail.
• Don’t rush grit changes—remove all marks from the previous grit before moving on.
• Use dust extraction to keep your workspace clean and protect your lungs.

Aftercare for Furniture

• Keep furniture away from direct sunlight to prevent fading.
• Dust regularly with a soft cloth.
• Reapply protective finishes as needed for longevity.

FAQs

• Can I sand veneer furniture? Yes, but use finer grits and light pressure to avoid sanding through the veneer.
• Should I strip paint before sanding? If the paint is thick or peeling, stripping first can save time.
• Can I use these discs for metal furniture? Yes, just choose grits based on the condition of the metal.

Watch the Process

Whether you’re restoring an heirloom or updating a thrift store find, the 5-Inch 8-Hole Sanding Discs (50-Pack) give you the flexibility and quality needed for a flawless finish.