DIY Network

How to Install Door Trim

Follow these step-by-step instructions to install trim around an interior door.

More in Windows Walls and Doors

  • Time

    2 hours

  • Price Range

    $1 - $50

  • Difficulty

    Easy

Highlights:

Step 1: Stain (or Paint) the Trim

With a rag, wipe the wood with wood conditioner, stain and polyurethane sealer, letting each coat dry before starting on the next layer. Alternatively, apply primer, allow it to dry, and paint the trim in your chosen color.

Step 2: Cut the Trim to Size

Use a tape measure to measure the area around the door (Image 1). Then, use a miter saw to cut the trim to those measurements, factoring in a 1/8" reveal on the doorway (Image 2). Cut the ends at 45-degree angles to fit around the door jamb.

Step 3: Glue the Ends Together

Lay the trim on the floor in the shape of the door; apply wood glue to the cut side of the trim and fit the two sides together.

Step 4: Attach the Trim

Drill a small pilot hole through the top of the trim (Image 1); sink a screw into the pilot hole. Then, use a finish nail gun to drive a finish nail into the opposite corner (Image 2). Nail the rest of the trim into place (Image 3).

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