How to Paint Oak Cabinets and Hide the Wood Grain

How to Paint Oak Cabinets and Hide the Wood Grain

Oak cabinets are sturdy and beautiful — but that deep, open grain loves to show through paint. The good news: you don't need new cabinets to get a smooth, modern finish. The secret is a simple one we use in our own projects: a coat of water-based wood filler, thinned to a paste, worked across the grain before primer ever touches the wood.

This is the full written guide to our most-loved project video, How to Paint Oak Cabinets and Hide Wood Grain, where Mario — a professional painter — walks through every step. Follow along here, gather your supplies, and take it one door at a time.

The Steps

  1. Take everything apart. Remove the doors and all hardware. Keep each door's screws and hinges together in a labeled container — you'll thank yourself at reassembly time.
  2. Number every door. Write each door's number on blue painter's tape stuck to the door, and put matching yellow tape inside the cabinet in the same spot. Then cover the numbers with protective tape so they survive painting.
  3. Protect and clean. Lay down plastic sheeting, mask off what stays, and wipe every surface with a mild degreaser. Paint sticks to clean wood — not to years of kitchen life.
  4. Mix the filler paste. Thin water-based wood filler with water, about 1:1, until it's the consistency of thick paint.
  5. Fill the grain. With a putty knife, spread the paste across the wood, working it into the grain. Don't chase perfection in one pass — thin and even wins.
  6. Let it dry, then sand. Once dry, sand smooth with fine sanding blocks and 220-grit sandpaper. Vacuum up the dust and wipe surfaces clean.
  7. Check the grain. Still seeing grain? Repeat the filler and sanding steps. This patience is the whole trick.
  8. Prime. Coat everything with a water-based primer and let it dry fully.
  9. Paint. Finish with a water-based enamel made for cabinets. A paint sprayer gives the smoothest finish; keep chip brushes handy for corners and detail work.
  10. Put it back together. Rehang the doors using your tape numbers, reinstall the hardware, step back, and enjoy cabinets that look brand new.

Supplies for This Project

Everything below is the same kind of supply we use in the video, each with a Home Depot link first and Amazon as the alternate. As an Amazon Associate I earn from qualifying purchases — some links on this page are affiliate links (Amazon, and Home Depot via Impact), and if you buy through them The Detalles may earn a small commission at no extra cost to you. Thank you for supporting a small family studio.

Prep & Masking

Hiding the Grain

Sanding & Cleanup

Painting

Keep Creating

When your cabinets are done, come see what else is happening in the studio — original art, slow-stitch kits, and workshops, all by Rosalia Pereira: thedetalles.com. Where design meets grace.