Painting is the single most popular DIY project for a reason. It’s affordable, it changes how a room feels overnight, and it doesn’t require expensive tools. But there’s a big difference between a paint job that looks fresh for years and one with roller marks, fuzzy ceiling lines and patchy coverage.
The secret is mostly in the preparation and in a few simple techniques. This guide walks you through the whole process, from choosing paint to pulling the last strip of tape.
Step 1: Choose Your Paint
Sheen
- Flat/matte: Hides wall imperfections best, but is harder to clean. Good for ceilings, bedrooms and low-traffic rooms. Some modern “scrubbable matte” paints improve washability.
- Eggshell: A soft, low sheen that’s easier to clean. A popular choice for living rooms and hallways.
- Satin: More durable and washable, with a bit more shine. Good for kitchens, bathrooms, kids’ rooms.
- Semi-gloss: Durable and wipeable, shows imperfections more. Common for trim, doors and cabinets.
Quality
Better paints generally cover more evenly and wash better. Major lines from brands such as Sherwin-Williams, Benjamin Moore, Behr and Valspar all offer good-better-best tiers. If you’re making a big color change, especially light over dark, a paint-and-primer product helps, but a separate primer is still often the better choice over patches, stains and very dark colors.
How much to buy
Measure the perimeter of the room and multiply by the ceiling height to get the wall area. Subtract roughly for large windows and doors. Check the can label for the coverage rate per gallon, and plan on two coats. Buying a little extra makes future touch-ups easier because you’ll have the same batch.
Step 2: Gather Tools
- Angled sash brush, 2 to 2.5 inches, for cutting in
- Roller frame (9-inch is standard) and an extension pole
- Roller covers: shorter nap (around 3/8 inch) for smooth walls, thicker nap for textured walls
- Paint tray and liners, or a 5-gallon bucket with a roller grid
- Painter’s tape
- Canvas or plastic drop cloths
- Spackle, putty knife, sanding sponge
- Screwdriver for outlet covers
- Primer, if needed
- Rags, a damp sponge and a small bucket of water
- Step ladder
Step 3: Prep the Room
Prep is where most of the time goes, and where the result is decided.
- Clear the room. Move furniture to the center and cover it.
- Remove switch and outlet covers, curtain rods and wall hangings. Put screws in labeled bags.
- Lay drop cloths. Canvas is less slippery than plastic.
- Patch holes and dents with spackle, let dry, then sand smooth. See our drywall patching guide for larger damage.
- Clean the walls. Dust, cobwebs and grease prevent good adhesion. Wipe with a damp sponge; in kitchens, use a mild degreaser and rinse.
- Spot-prime patches and any stains. Water stains and smoke marks can bleed through paint unless sealed with a stain-blocking primer.
- Caulk gaps along trim with paintable acrylic caulk.
Step 4: Tape (or Don’t)
Painter’s tape along trim, ceilings and adjacent walls helps if you’re new to painting. Press the edge down firmly with a putty knife to keep paint from bleeding under. Experienced painters often skip tape and cut in freehand with a good brush, which can be faster and produce a cleaner line with practice.
Step 5: Paint the Ceiling First
If you’re painting the ceiling, do it first, so any drips on the walls get covered later. Use a flat ceiling paint, a thicker roller nap and an extension pole. Roll in sections across the shorter dimension of the room.
Step 6: Cut In
“Cutting in” means painting a band of paint, about 2 to 3 inches wide, along edges a roller can’t reach: corners, along the ceiling line, around trim, windows and outlets.
- Dip the brush about a third of the way into the paint, then tap off excess on the inside of the can.
- Start a short distance from the edge, then ease the brush toward the line in a smooth stroke, letting the bristles fan into a neat edge.
- Keep a wet edge. Cut in one wall, then roll that wall while the cut-in paint is still wet, so the brush and roller areas blend without visible “picture framing.”
Step 7: Roll the Walls
- Load the roller evenly, rolling it on the tray ramp until it’s saturated but not dripping.
- Start about a roller-width from a corner and roll a large “W” or “M” pattern about 3 feet wide.
- Fill in the pattern without lifting the roller, using even pressure.
- Finish with light, straight, top-to-bottom strokes in one direction.
- Move to the next section, overlapping into the wet edge of the previous one.
To avoid lap marks, always roll into wet paint, work top to bottom, and don’t go back over areas that have started to dry.
Step 8: Second Coat
Let the first coat dry according to the label. Recoat time is often a few hours, but humidity and temperature matter. Repeat the cut-in and rolling process for the second coat. Two coats almost always look richer and more even than one thick coat.
Step 9: Trim and Doors
Paint trim last with a semi-gloss or satin enamel and a quality angled brush. Lightly sand glossy trim first, and use a bonding primer if switching from oil-based to water-based paint.
Step 10: Remove Tape and Clean Up
Pull painter’s tape while the final coat is still slightly wet, or after it’s fully dry, scoring the edge with a utility knife. Pull at a 45-degree angle.
Clean brushes and rollers in warm, soapy water for latex paint. Never pour paint down storm drains. Many communities have specific rules for disposing of leftover paint; check with your local waste authority. Seal leftover paint, label it with the room and date, and store it somewhere it won’t freeze.
Common Painting Mistakes
- Skipping cleaning and patching
- Using a cheap brush that sheds bristles
- Overloading the roller, which causes drips and splatter
- Letting cut-in lines dry before rolling, which creates visible frames
- Painting in poor light
- Rushing the second coat
Frequently Asked Questions
Do I need primer?
Use primer over new drywall, patches, stains, glossy surfaces and big color changes. For a repaint in a similar color over clean, sound paint, a quality paint may cover without separate primer.
How long should paint dry before hanging pictures?
Paint may feel dry within an hour or so, but it takes longer to cure. Waiting a day or more before hanging items or pushing furniture against walls reduces the risk of sticking and marks.
Should I paint the ceiling or walls first?
Ceiling first, then walls, then trim.
What’s the best roller nap?
Shorter naps for smooth walls and trim, thicker naps for textured surfaces and ceilings. Check the roller cover packaging, which usually lists recommended surfaces.
How do I fix a drip after the paint dries?
Sand the drip smooth with fine sandpaper, wipe away dust, and touch up with a little paint.
The Bottom Line
A pro-looking paint job is mostly prep and patience: clean and patch the walls, cut in neatly, roll into wet edges, and give each coat time to dry. Do that, and even a first-timer can get crisp lines and even color.
Editorial note: Fix It Folio is independent and reader-supported. This guide is based on research into manufacturer documentation, published specifications and widely accepted best practices; we have not been paid to mention any product. If we add affiliate links in the future, they will be clearly disclosed per our Affiliate Disclosure.