how to replace door frame molding

How to Replace Door Frame Molding: Step-by-Step Guide

By Matthew Davis
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Replacing door frame molding can significantly enhance the aesthetic appeal of your home, giving it a fresh, updated look. This task might seem daunting, but with the right tools and a bit of patience, it's a manageable DIY project. Let's dive into the step-by-step process of how to replace door frame molding, ensuring your home's entrance makes a stunning first impression.

Before you start, it's crucial to gather the necessary tools and materials. You'll need a miter saw or miter box, tape measure, pencil, safety glasses, sandpaper, wood glue, finish nails, and, of course, the new molding. Having these items at hand will make the process smoother and more efficient.

Removing the Old Molding

Before installing the new molding, you need to remove the old one. This step requires careful attention to preserve the door frame's integrity.

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Door Trim Makeover — Before & After DIY Transformation
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a woman working on a door with a driller and power strip attached to it
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the corner of a room that has been stripped off with paint and chipping on it

Start by removing any hardware, such as door stops or hinges, that might interfere with the process. Then, use a pry bar or a flathead screwdriver to carefully pry off the molding. Work slowly and gently to avoid damaging the frame. If the molding is nailed in place, use a claw hammer to remove the nails.

Measuring for the New Molding

Once the old molding is removed, it's time to measure for the new pieces. Accurate measurements are crucial for a perfect fit.

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Measure the length of each piece of molding you'll need, including the top piece (header), the two side pieces (stiles), and the bottom piece (sill). Write down these measurements, as they'll be essential for cutting the new molding to size.

Cutting the New Molding

With your measurements in hand, it's time to cut the new molding pieces. A miter saw makes this task quick and easy, but if you don't have one, a miter box and handsaw will work just as well.

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When cutting the molding, remember to account for the 45-degree angle cuts needed to create a seamless, mitered joint. Cut the pieces one at a time, double-checking your measurements to ensure a perfect fit. Always wear safety glasses when using power tools.

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Installing the New Molding

Now that you have all the pieces cut, it's time to install the new molding. This step requires patience and precision to ensure a professional-looking result.

Start with the top piece (header). Apply a bead of wood glue along the back edge of the molding, then position it in place, using a level to ensure it's straight. Nail it into place using finish nails, spacing them evenly along the length of the molding.

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Attaching the Side Pieces (Stiles)

Next, install the side pieces (stiles). These will be mitered to fit the top piece and the bottom piece (sill). Apply wood glue to the mitered edges, then position the stiles in place, nailing them into the door frame.

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Use a miter box or miter saw to cut the bottom piece (sill) to length. This piece should fit snugly between the two stiles, with mitered joints at the ends. Apply wood glue to the mitered edges and the back of the sill, then nail it into place.

Finishing Touches

With the new molding installed, it's time for the finishing touches. Use sandpaper to smooth any rough edges or nail holes. Then, paint or stain the molding to match the rest of your door frame.

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Once the paint or stain has dried, reattach any hardware you removed at the beginning of the project. Stand back and admire your handiwork – your door frame molding looks as good as new!

Replacing door frame molding is a rewarding DIY project that can significantly improve your home's curb appeal. With a bit of patience and the right tools, anyone can achieve professional-looking results. So, don't wait – get started on your project today and enjoy the sense of accomplishment that comes with a job well done.

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