Sanding is the step everyone wants to skip. Bonding primers and liquid deglossers are sold as the shortcut. They help, but on kitchen cabinets, skipping abrasion entirely is the most common reason paint chips and peels within a year.
WHAT SANDING ACTUALLY DOES
Sanding isn't about removing the old finish. It's about scuffing it, creating tiny scratches so primer has something to grab. A 180 to 220 grit scuff on doors and frames is usually enough. You're dulling the shine, not stripping to bare wood.
THE STEP BEFORE SANDING
Kitchen cabinets are coated in grease, especially near the stove and around handles. Sanding a greasy surface just pushes grease into the scratches.
- Degrease with a cabinet cleaner or TSP substitute.
- Rinse with clean water and let dry.
- Scuff sand.
- Vacuum and tack-cloth the dust.
- Prime with a bonding primer.
CAN DEGLOSSER REPLACE SANDING?
Liquid deglossers chemically soften the surface finish. They work reasonably on furniture or low-wear trim. On kitchen cabinets, which get grabbed and wiped daily, we use them in addition to a scuff sand, never instead of it.
WHEN BONDING PRIMER IS ENOUGH
- Light-use bathroom vanities with a sound finish, after thorough cleaning
- Laundry room cabinets
Even there, a quick scuff pad pass is cheap insurance.
THE PEEL TEST
After the primer cures (a day or two), press painter's tape firmly on a test spot and rip it off. If primer comes up with the tape, the bond is weak and finish coats will fail on top of it.
Cabinet paint looks great on day one no matter how it was prepped. The difference shows up at month six, around the handles and the sink base. That's the prep you're paying for.
RELATED READING
HOW LONG DOES CABINET PAINT TAKE TO CURE?
Dry, rehung and fully cured are three different things. How to treat new cabinets in the first weeks.
CABINET PAINTING COST GUIDE: DC, MD & VA (2026)
Cabinet painting vs. full replacement — real pricing, what the process looks like, and why prep determines how long the job lasts.
KITCHEN REFRESH WITHOUT NEW CABINETS
Paint, counters, backsplash and lighting: what a refresh costs and what it can't fix.
Planning a project? See our Cabinet Painting service page for scope, process and recent work.
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