how to put moulding on a door

How to Install Moulding on a Door: Step-by-Step Guide

By William Lopez
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Adding molding to a door can significantly enhance its aesthetic appeal and provide a polished finish. This guide will walk you through the process, from selecting the right molding to the final installation. Let's get started!

Before we dive in, ensure you have the necessary tools: miter saw, tape measure, pencil, miter box (if not using a miter saw), sandpaper, wood glue, and finishing nails. Also, consider the type of molding - crown, baseboard, or chair rail - based on your door's design and your desired look.

Preparation and Measurement

Accurate measurement is key to a successful installation. Measure the height and width of your door, then subtract 1/4" from each dimension to account for the molding's thickness. This will ensure a snug fit.

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How to add molding to a flat panel door
How to add molding to a flat panel door
the corner of a room with a stained glass window and white trim on the wall
the corner of a room with a stained glass window and white trim on the wall
the before and after photo shows how to paint an interior door with wood paneling
the before and after photo shows how to paint an interior door with wood paneling

Next, decide on the style and size of your molding. Common sizes range from 2" to 6", with styles varying from simple to intricate. Consider the overall design of your room when making your selection.

Choosing the Right Molding

Molding comes in various materials, including wood, MDF, and PVC. Wood offers a classic look but requires more maintenance. MDF is lighter and easier to work with, while PVC is durable and low-maintenance. Choose based on your budget, desired look, and maintenance preferences.

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How to add molding to a flat panel door - Painting by the Penny
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a black cat sitting on the floor in front of an open door with text that reads diy plain to paneled for just $ 12
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Once you've decided on the material and style, calculate how much molding you'll need. A standard door requires four pieces: two for the top and bottom, and two for the sides. Add an extra 10-15% for waste and cuts.

Preparing the Molding

Using your miter saw or miter box, cut the molding pieces at 45-degree angles. The top and bottom pieces should have inside miters, while the side pieces should have outside miters. This ensures a seamless fit around the door.

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Before installation, lightly sand any rough edges and apply wood glue to the miter joints. This will strengthen the bond and prevent the molding from coming apart over time.

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a man is using a grinder to cut the wood on the stairs in his home
a woman kneeling in front of a door with the words no tools required on it
a woman kneeling in front of a door with the words no tools required on it
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Easy DIY Door Molding for Old Flat Panel Doors

Installing the Molding

Start by installing the top piece of molding. Hold it in place, ensuring it's level and centered, then nail it into the door frame using finishing nails. Use a nail set to recess the nails slightly, then fill the holes with wood filler.

Next, install the bottom piece. Again, ensure it's level and centered, then nail it into place. If your door has a stop (a small ledge at the bottom), you may need to shim the bottom piece to ensure it's level.

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Installing the Side Pieces

Installing the side pieces can be a bit tricky, as they need to fit snugly against the top and bottom pieces. Start by holding one side piece in place, ensuring it fits flush against the top and bottom pieces. Nail it into place, then repeat with the other side piece.

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Once both side pieces are installed, check that all miter joints are tight and secure. If necessary, apply additional glue to any joints that feel loose, then clamp the pieces together until the glue dries.

Finishing Touches

After the glue has dried, use wood filler to fill any nail holes or gaps in the molding. Allow the filler to dry, then sand it smooth. Wipe away any dust, then apply your chosen finish - paint or stain - to the molding.

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Once the finish has dried, your door is ready to be admired. The added molding not only enhances the door's appearance but also adds a touch of elegance to the entire room.

Remember, patience and precision are key when installing molding. Take your time, measure twice, and cut once. With a little effort, you'll transform your door into a stunning focal point. Happy DIYing!

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