Scuff-Sanding Kitchen Cabinets for Paint Adhesion

Kitchen cabinets take a beating from grease, steam, and daily use. When refinishing, the most important step is scuff-sanding—lightly abrading the surface to help paint or primer stick. Without it, even the best coatings may peel or chip prematurely.

Why Scuff-Sanding Cabinets Matters

Factory cabinet finishes are slick and resistant to moisture. Paint won’t bond well to glossy surfaces unless they’re dulled first. Scuff-sanding creates microscopic scratches that primers and paints grip onto, ensuring durability.

Tools You’ll Need

• Random orbital sander for flat cabinet doors
• Sanding sponge for edges and profiles
• Vacuum with brush attachment
• Tack cloth or microfiber rag
• Degreaser or TSP substitute

Recommended Grit Sequence

• 120 grit: For dulling glossy finishes quickly.
• 180 grit: For refining scratches and prepping for primer.
• 220 grit: For a smooth final scuff before painting.

Step-by-Step Process

1. Clean thoroughly. Wash cabinets with degreaser to remove oils that clog sandpaper.
2. Initial scuffing. Use 120 grit (25-pack) to dull glossy surfaces.
3. Refine surfaces. Switch to 180 grit (50-pack) to smooth scratches while maintaining adhesion texture.
4. Final scuff. Lightly sand with 220 grit (100-pack) for a finish-ready feel.
5. Clean dust. Vacuum and tack cloth surfaces thoroughly.
6. Prime immediately. Apply bonding primer to seal surfaces and prevent tannin bleed-through.
7. Paint finish coats. Use high-quality cabinet paint in thin, even layers.

Special Cases

For laminate cabinets, use only light scuffing with 180–220 grit to avoid sanding through the thin surface. For raw wood cabinets, start at 150 grit and work upward for a smoother paint base.

Pro Tips

• Always sand with the grain to prevent visible scratches under paint.
• Number doors and hardware before removal for easy reassembly.
• Use sanding sponges for detailed molding profiles.
• Don’t skip primer—paint adhesion depends on both sanding and sealing.

Aftercare

• Allow paint to cure fully before heavy use—usually 7–14 days.
• Clean cabinets with mild soap and water, not harsh chemicals.
• Touch up high-wear areas with light sanding and paint as needed.

FAQs

• Can I just use liquid sandpaper? It works for deglossing, but mechanical sanding gives stronger adhesion.
• Do I need to sand between paint coats? Yes—light scuffing with 320 grit ensures smooth layering.
• What if cabinets have grease spots? Clean first—sanding alone won’t remove grease and may spread it.

Watch & Learn

Scuff-sanding is the key to long-lasting cabinet finishes. By prepping properly, you’ll achieve professional-level adhesion and durability on painted kitchen cabinets.