How to Paint Trim

7 of 12 in Series: The Essentials of Painting a Room

If you know how to paint trim, you can brighten up the appearance of any room. Painting trim can protect them from wear and complete your design statement. Getting trim to look perfectly smooth requires a steady hand and good skills at maneuvering in tight spaces, often while kneeling (or lying) on the floor.

Trim is an umbrella term for any kind of finish strip applied around openings to conceal surface or angle joints and raw edges where drywall meets doorways, windows, floors, and ceilings.

You'll need 2-inch blue painter’s tape, trim paint, stir sticks, 2-inch angled sash brush, paint guard, 1 1/2-inch stubby-handled angled sash brush for tight spaces, clean rags, kneepads (optional).

1

Prep your trim before painting.

Before you can paint you need to follow the basics preparations, including cleaning the trim, filling any gaps and cracks. If necessary, apply a stain-blocker, prime, and sand to a smooth finish.

2

Tape the edges of the wall where it meets the trim.

Use blue painter’s tape to tape the edges of the wall where they meet the edges of the trim. (If you just taped and primed the trim, you can skip this step.)

3

Stir the paint thoroughly with a stir stick.

Never use paint until after you stir it. You'll get bubbles and the color will be uneven.

4

Dip a 2-inch angled sash brush into the paint can.

Only load the top 1/3 of the bristles with paint.

5

Remove excess paint from the sash brush.

Tap both sides of the bristles on the can, and then wipe the bristles against the side of the can to remove any excess paint. Remember: If you overload the brush, you’ll lose control of the paint application.

6

Position the paint guard at the side of the trim.

Position the paint guard at the bottom edge of the ceiling molding, at the top of the baseboard, or on the wall adjacent to window and doorframes. Hold the guard in your nondominant hand, using firm pressure to hold it in place.

7

Apply the paint in one stroke in one direction on the widest part of the trim.

Press slightly — just enough to flex the bristles — and work slowly to ensure an even application of paint.

8

Start subsequent strokes of the brush in a dry area, working toward the wet area.

This technique avoids creating lap marks.

9

Raise the brush slightly and feather the edge.

Feathering paint into a previously painted patch keeps the paint even and smooth from one stroke to another.

10

Reverse the direction of the brush, and lightly stroke back over the coat you just applied.

This technique will set the paint.

11

Apply the paint to the edges of the trim.

In tight spaces, switch to using a stubby handled brush.

12

Touch up the paint after the first coat has dried.

If you find that an area needs more paint, until the area is dry, then sand lightly, and touch it up.

Comments (4)

  1. Posted by franklyn young
    This is an excellent sight, and the information is very, very helpful. i heartly recommend. franklynpyoung@hotmail.com
  2. Posted by Nora Chen
    what area is cover for trim paint job if we hire a contractor. i think we got scammed, because our contract asked for more money for replace the rotten wood for beam which is supporting the porch. the contractor said the contract only stated "prep all trim around the house, replace up to 10% damage wood as needed" so the contract insisted without "replacing beam" in the contract, we have to pay more. please let me know if you get the chance to email me. thanks!
  3. Posted by Revere
    What causes the paint to look rough and uneven in spots?
  4. Posted by Mary Hebers
    I painted a door moulding with deep groves and the paint dried with bubbles in the grooves. Please help

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