How to Paint Trim, Baseboard, and Molding

Painting the trim, baseboards, and molding is a quick and impactful way to transform any room. It can highlight the craftsmanship of your home, add a new sense of dimension, and make furniture, carpets, curtains, and artwork pop.

What’s more, since trim and baseboards tend to accumulate minor wear and tear over time, painting them is a great way to make the space look like new again.  

Read on for all you need to know to choose the right color, gather the right equipment, and do the job so you’re delighted with the results.

Finding the Right Color

Before you cover the furniture and get busy painting, it’s important to make sure you have the right paint color. Here are some factors to consider. 

 

Wall Color
Your trim should complement the walls. A crisp white or color that’s slightly brighter than your wall color creates contrast and makes architectural details stand out. If you have dark or bold walls, consider lighter trim for balance.

 

Room Style
Traditional spaces often look best with classic white or cream trim. If you have a modern interior, you could use a darker trim color or even match the trim to the wall color for a seamless look.

 

Lighting
Natural light and artificial light change how paint appears. Bright rooms can handle cooler whites or darker trim colors, while rooms with less light often benefit from brighter, cleaner trim that keeps the space feeling open.

 

Finish and Sheen
Trim is typically painted in a semi-gloss or gloss finish. These reflect more light, make the trim easier to clean, and help it stand out from the walls, which are usually painted with a flatter finish.

 

Taking all this into account can help narrow down your search for the right color. Your next step is sampling a range of possibilities. Luckily, Samplize makes that simple. 

Sampling Paint Colors With Samplize

Step One: Choose Your Samples

Start by browsing our huge collection of colors from leading brands like Benjamin Moore and Sherwin-Williams. You can explore our bundles, which group colors into families, or handpick a stack of samples in just a few minutes. Finish your order, and your peel-and-stick samples will arrive on your doorstep the very next day. 

Step Two: Peel and Stick

Your samples will be painted (not printed) with two coats of paint, so you’ll be able to really see how the paint will look in your home. Make sure to test a sample on an inconspicuous spot on your trim (behind a door is a great spot) and then feel free to apply them all. 

Step Three: Dream, Deliberate, Decide

Take your time on this step. Notice how each color interacts with your wall color. Turn the lights on and off, draw the curtains, wait for sunset and sunrise—explore how each behaves in various conditions. If, after all this, you’re still not sure, just repeat these steps until you can choose a color with confidence. 

Tools and Materials Checklist

Now that you have your color, you’re ready to assemble everything you’ll need to do this project right.

Tools

- A high-quality 1½–2½ inch angled sash brush
- A small foam roller 
- A paint tray or small paint pail
- Painter’s tape
- Drop cloths or plastic sheeting
- A sanding sponge (120–220 grit)
- A putty knife
- A caulk gun
- A damp cloth or tack cloth
- A step stool or small ladder (if needed)

Materials

- High-quality trim paint (made to withstand scuffs and cleaning)
- Primer (if you’re painting raw wood, stained, or patched areas)
- Wood filler or spackling compound
- Paintable caulk (for gaps and seams)
- A mild cleaner or degreaser

Painting Step-by-Step

Step 1: Prep the Space

Move furniture away from the walls and cover everything with drop cloths. Apply painter’s tape along walls, flooring, and hardware. Remove outlet covers and door hardware if needed. 

Step 2: Clean, Degloss, and Sand

Trim collects dust, grease, and fingerprints, so wipe every surface you’re going to paint with your mild cleaner or degreaser. If the trim has an old glossy finish, lightly degloss or scuff-sand it with your grit sandpaper. This will help the new paint adhere. Finish by wiping it all down.

Step 3: Repair, Fill, and Caulk

Fill any nail holes, dents, and cracks with wood filler or spackling compound. Once it’s dry, sand it smooth. Use your paintable caulk to seal gaps where trim meets the wall or at corner joints. This will make a dramatic difference in achieving a seamless, finished appearance.

Step 4: Prime for a Smooth, Lasting Finish

Prime any bare wood, patched areas, or stained surfaces. This will block stains, improve adhesion, and ensure even color coverage. For major color changes (especially dark to light), priming the entire surface is worth the extra step.

Step 5: Paint!

Use your angled brush for control and smooth strokes. Apply thin, even coats, brushing in the direction of the wood grain when applicable. Avoid overloading the brush to prevent drips. Allow paint to dry fully between coats according to the manufacturer’s instructions. Two light coats are typically enough to achieve a good finish. For ultra-smooth results, lightly sand between coats.

Step 6: Make Final Touches

While paint may feel dry within hours, full curing can take several days. Remove the painter’s tape carefully while the paint is slightly tacky for clean lines. Once it’s cured, inspect for missed spots and make any final touch-ups.

Pro Tips for a Few Specific Situations

Painting Over Stained or Polyurethane Trim
Lightly sand to dull the glossy finish and use a high-adhesion or stain-blocking primer before painting. This prevents tannin bleed and peeling over time.

 

Switching from Dark to Light Trim
Apply a full coat of primer to help prevent shadowing and uneven coverage. Tinting the primer slightly toward your final color can further improve coverage.

 

Painting Baseboards with Carpet Installed
Use painter’s tape along the carpet edge and press it down with a putty knife for a tight seal. For extra protection, you can tuck a thin plastic shield between the carpet and baseboard.

 

Painting in High-Traffic Areas
Choose a durable enamel trim paint and allow extra curing time before heavy use. Hard-curing formulas resist scuffs and fingerprints better.

 

Cold or Humid Conditions
Try to avoid painting in humid or cold conditions, either of which can slow drying and affect leveling. Maintain proper ventilation and follow the paint manufacturer’s recommended temperature range for best results.

 

FAQs

Do I need to sand if the trim is already painted?
Usually, yes. A light scuff-sanding with fine-grit sandpaper will help your new paint adhere better, especially if the existing finish is glossy. If the trim is already matte and in good condition, a light sanding and thorough cleaning may be enough.

 

What’s the best white for trim?
This depends on your wall color and lighting, but some popular options to consider are White Dove, Pure White, and Decorator’s White. 

 

Should trim match doors?
Usually, trim and interior doors are painted the same color and sheen for a cohesive look. That said, using a slightly different shade or sheen can work if you want to highlight architectural details.

 

Is it better to paint trim with a brush or roller?
A high-quality angled brush is best for most trim, because it provides better control around edges and detailed molding. A small foam roller can be helpful on flat trim boards to create a smoother, more uniform finish.

 

Ready to Begin?

It all starts with finding the right color. Explore the wide range of possibilities right here.