How to Repaint Baseboards

3 min readeasy

Clean baseboards with TSP or a damp cloth, sand lightly with 220-grit sandpaper, fill dents and holes with wood filler, tape the floor and wall edges, and apply two thin coats of semi-gloss paint with an angled trim brush. Let each coat dry at least 4 hours before applying the next.

Time
120 min
Frequency
every 3-5 years
Difficulty
easy
Cost
$35

What you'll need

The steps

  1. 1

    Clean baseboards with TSP or a damp cloth

    Wipe down all baseboards with a cloth dampened with TSP solution or warm soapy water. Remove dust, dirt, grease, and scuff marks. Pay extra attention to kitchen and bathroom baseboards where grease and moisture accumulate. Paint does not adhere to dirty surfaces. Let the baseboards dry completely before sanding.

  2. 2

    Sand lightly with fine-grit sandpaper

    Sand all baseboards lightly with 220-grit sandpaper. You are not stripping paint. You are creating a slightly rough surface for the new paint to grip. Sand in the direction of the wood grain. Wipe away sanding dust with a tack cloth or damp rag.

  3. 3

    Fill dents and holes with wood filler

    Press wood filler into any dents, nail holes, gouges, or cracks with a putty knife. Overfill slightly because the filler shrinks as it dries. Let it dry per the label, usually 15 to 30 minutes, then sand flush with 220-grit sandpaper. This step makes the biggest visual difference in the finished result.

  4. 4

    Tape floor and wall edges

    Run painter's tape along the floor where it meets the baseboard and along the wall where the baseboard meets the wall. Press the tape edges down firmly with a putty knife to prevent paint from bleeding underneath. Lay a drop cloth along the floor to catch drips.

  5. 5

    Apply primer if bare wood is exposed

    If sanding or filling exposed bare wood, apply a coat of primer to those spots. Bare wood absorbs paint unevenly and causes flashing, visible dull spots where the wood soaked up the paint. Primer seals the wood and gives the topcoat an even base. If all surfaces are already painted and in decent condition, skip this step.

  6. 6

    Apply a thin first coat of semi-gloss paint

    Load your angled trim brush about one-third of the way up the bristles. Apply paint in long, smooth strokes following the length of the baseboard. Start at one end and work to the other without stopping. Keep a wet edge to avoid lap marks. One thin coat. Do not try to get full coverage on the first pass.

  7. 7

    Let dry 4 hours and apply a second coat

    Wait at least 4 hours between coats, or follow the label instructions. The first coat should be completely dry and not tacky to the touch. Apply the second coat the same way: thin, smooth, and in one direction. Two thin coats give a smoother, more durable finish than one thick coat.

Why semi-gloss

Paint sheen is not a cosmetic choice on baseboards. It is a durability decision.

Baseboards sit at floor level where they take constant abuse. Vacuum cleaners bang into them. Shoes scuff them. Mop water splashes them. Pet claws scratch them. Kids run toy trucks along them. The paint on your baseboards works harder than any other painted surface in the house.

Semi-gloss paint handles this abuse because its higher resin content creates a harder, more flexible film. It resists scuffs and impact better than flat or eggshell finishes. When it does get dirty, you can wipe it clean with a damp cloth without damaging the finish. Flat paint absorbs stains and shows every scuff mark permanently.

Satin is an acceptable alternative if you prefer a lower sheen. It is nearly as durable as semi-gloss and hides surface imperfections better. Avoid flat and matte finishes on baseboards entirely. They stain on contact and cannot be cleaned without burnishing.

Prep is 80 percent of the job

The difference between a professional-looking baseboard paint job and an amateur one is almost entirely in the prep work. Two painters using the same paint and brush will get dramatically different results depending on how they prepare the surface.

Cleaning removes the invisible film of dust, grease, and grime that prevents paint from bonding. Sanding creates microscopic scratches that give the new paint something to grip. Filling dents and holes eliminates shadows and imperfections that show through fresh paint and make the baseboards look worse, not better.

Taping takes the most time and feels tedious, but it is what gives you straight, crisp lines where the baseboard meets the wall and floor. Press the tape edges down with a putty knife, not just your finger. Finger-pressed tape lets paint bleed underneath every time.

If you skip prep and go straight to painting, the paint peels within a year, lap marks and brush strokes are visible in every light, and the dents and holes you hoped the paint would hide actually look worse with a fresh coat over them.

The angled brush technique

An angled trim brush is the right tool for baseboards. The angled bristles let you cut a clean line along the top edge where the baseboard meets the wall without getting paint on the wall.

Hold the brush like a pencil, not a fist grip. This gives you finer control. Load the brush about one-third of the way up the bristles. Too much paint causes drips and runs. Too little causes skipping and dry spots.

Start at one end of the baseboard and draw the brush along the full length in one smooth stroke. Maintain contact. Lifting and replacing the brush mid-stroke creates lap marks. When you reach the end, go back and feather any thick spots with the tip of the brush.

Work in sections that let you keep a wet edge. If the paint at the start of a section dries before you reach the other end, you get a visible overlap mark. In warm, dry conditions, work in 3-to-4-foot sections. In cool, humid conditions, you can stretch to 6 to 8 feet.

When to prime vs just paint

Prime bare wood, new wood filler, and stain-blocked areas. Bare wood absorbs paint unevenly. One spot soaks up more paint than the surrounding area, leaving a visible dull patch called flashing. Primer seals the surface and gives the topcoat a uniform base.

If the existing paint is in decent condition with no bare spots, you do not need primer. A light scuff-sand with 220-grit gives the new paint enough grip. This saves you an entire coat and at least 2 hours of drying time.

If the existing paint is oil-based and you are switching to latex, use a bonding primer. Latex paint does not stick well to oil-based paint without it. Test by rubbing a small area with denatured alcohol on a rag. If paint comes off on the rag, it is latex. If it does not, it is oil-based and needs primer.

Frequently asked questions

Why use semi-gloss paint on baseboards?
Semi-gloss is durable and wipeable. Baseboards get kicked, scuffed, bumped by vacuum cleaners, and splashed by mopping. Semi-gloss resists these impacts better than flat or eggshell finishes. It also cleans easily with a damp cloth, which matters in kitchens and bathrooms where baseboards get dirty fast.
Do I have to remove baseboards to paint them?
No. Painting baseboards in place is faster and avoids the risk of cracking drywall or damaging the baseboard during removal. Use painter's tape on the wall and floor edges and an angled trim brush for clean lines. Removing baseboards only makes sense if you are also replacing flooring or doing major wall repairs.
How long does baseboard paint take to cure fully?
Latex semi-gloss paint is dry to the touch in 1 to 2 hours and ready for a second coat in 4 hours. Full cure takes 2 to 4 weeks. During that curing period, the paint is soft and vulnerable to scuffs and marks. Avoid pushing furniture against freshly painted baseboards and be gentle when vacuuming near them.
Can I use a roller on baseboards?
A small foam roller works on wide, flat baseboards and can be faster than a brush for long runs. Use a 4-inch foam roller for the flat face and switch to an angled brush for the top edge and any profiles or grooves. The roller gives a smoother finish on flat surfaces, but the brush handles detail work better.

Never forget this task again

The Home Almanack tracks every maintenance task your home needs and reminds you automatically. Takes about 30 seconds to set up.

Get free reminders — never miss it again

Related guides