Turn on the truth light

Hold a bright work light close to the wall and aim it sideways. Mark dents, ridges, nail pops, and bad patches with painter’s tape.

Check corners and seams

Look for loose tape, hairline cracks, and movement around doors, windows, and ceiling transitions.

Fill the tiny nail holes

Now is a great time to go around and fill all those tiny nail holes you have everywhere. It is really simple: dab a little putty into the hole, then use a rag to wipe it flush and smooth. Do not leave any putty extending beyond the hole. It is not necessary for nail holes, and it will stand out like a shiny silver dollar after paint.

Find contamination

Grease, dust, smoke residue, handprints, and cleaning products can interfere with adhesion. Clean suspect areas first.

Inspect old caulk

Pull away loose or cracked caulk. Don’t smear new caulk over material that has already failed.

Test questionable paint

If the old finish is glossy, chalky, peeling, or unknown, clean it and scuff or prime as appropriate before recoating.

Finish with your hands

Run your palm lightly over repaired areas. Your hand often catches ridges your eyes miss.

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