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DIY: HOW TO PLAN, MEASURE & INSTALL WALL MOULDING IN YOUR HOME

Writer: Brianne WalterBrianne Walter

Installing wainscoting or wall moulding is one of the easiest ways to add architectural detail, elegance, and a high-end finish to any room in your home. Whether you're transforming a plain wall, or upgrading your fixer upper (like me), this guide will take you through every step of the process - from planning and measuring to the final installation.


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What Is Wall Moulding (Wainscoting)?

Before you dive into your DIY project, let’s clarify what wainscoting is. Traditionally, wainscoting is wood paneling applied to the lower part of a wall, but modern takes can involve various materials like MDF or even tile. Wall moulding can completely transform the look of a room, adding a touch of elegance and architectural interest.





Why Install Wainscoting in Your Home?

There are many reasons to consider adding wall moulding:

  • Aesthetic Appeal: Wainscoting can elevate any space, making it feel more elegant and polished.

  • Beginner Friendly / Easy to DIY: With a bit of planning, anyone can tackle this project on their own.

  • Versatility: It works in dining rooms, hallways, bathrooms, and even bedrooms.

  • Increases Property Value: Adding architectural detail is one of the most cost-effective ways to boost the value of your home.

  • Affordable: with wainscoting specifically, it doesn't have to cost a ton of money.

  • No heavy tools required


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Step 1: Planning Your Wall Moulding Design

Before jumping into the measuring and installation, you’ll need a clear plan.

  • Choose a Design: There are several styles of wainscoting, such as flat panel, raised panel, and beadboard. Decide what fits your home’s aesthetic.

  • Sketch Your Design: Use graph paper or an online tool to map out your wall dimensions and how the wainscoting will fit.

  • Decide on Height: The height of your moulding typically ranges from 32 to 42 inches, but this will depend on the room’s ceiling height and personal preference.


Step 2: How to Measure for Wall Moulding

Accurate measurements are key to a successful installation. Here’s a simple guide:

  • Measure the Wall Length & Height: Start by measuring the entire length and height of the wall where you want to install the moulding.

  • Determine Panel Spacing: Depending on your chosen design, you’ll need to figure out how far apart each moulding section will be.

  • Account for Electrical Outlets: Plan around any obstacles like outlets or light switches that may require special cuts.

Pro Tip: Always measure twice before cutting to avoid mistakes!





Step 3: Tools & Materials Needed for Installation

You don’t need a ton of expensive tools to install wainscoting. For beginners, using mitre shears is a simple alternative to using a saw. Here’s a list of essentials:


Why Mitre Shears? They’re an excellent, beginner-friendly tool that makes it easier to cut angles precisely without needing a saw. You can simply adjust the shears for the angle, snip, and you're good to go. This makes the project even more approachable, especially if you don’t have power tools or experience using them.


Step 4: Installing the Wainscoting

Now that you've planned and measured, it’s time to get to work!

  1. Cut the Moulding: Using your measurements, cut the moulding pieces to size.

  2. Install the Bottom Rail: Start by attaching the bottom rail to the wall using a brad nailer or hammer. Make sure it’s level!

  3. Add Vertical Moulding Pieces: Attach the vertical moulding sections between the bottom and top rails.

  4. Secure the Top Rail: Attach the top rail, ensuring everything is lined up and level.

  5. Fill Gaps: Use caulk to fill any gaps between the wall and moulding, and wood filler for nail holes. *Do NOT skip the caulking.

  6. Paint: Once the moulding is secured, prime and paint it to match your desired look.


Pro Tip: If using mitre shears, test them on a scrap piece of moulding first to ensure you're comfortable with the tool and angles.



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Step 5: Finishing Touches

After the moulding is installed and painted, step back and admire your work! You’ll want to consider the final look of the room and how the moulding fits into the overall design.

  • Complementary Colors: Choose a paint color that complements the existing wall paint or opt for a two-tone look. We painted ours the same colour and sheen as our walls for a cohesive, seamless, and elegant look.

  • Furniture Placement: Now that your walls look great, make sure your furniture highlights the new architectural details.



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Common Mistakes to Avoid When Installing Wall Moulding

  • Not Measuring Properly: Inaccurate measurements can throw off the entire project. Always double or triple check your measurements.

  • Skipping the Level: Always use a level to ensure your moulding is straight. We used both a laser level, as well as a hand level.

  • Using the Wrong Materials: Make sure the moulding material suits the room. For example, wood may not work well in bathrooms with high humidity.



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Final Thoughts

Adding wainscoting to your home is an excellent DIY project that can transform any space with minimal cost and effort. With careful planning and attention to detail, you'll create a timeless look that adds value and charm to your home. Using mitre shears makes this project even easier and more approachable for beginners.



BEFORE Photos




Check out our other house projects from removing our popcorn ceilings and how to refinish your red oak hardwood floors!


FAQ Section:

1. What’s the difference between wainscoting and wall moulding?

Wainscoting refers to paneling applied to the lower part of the wall, typically covering one-third of the wall. Wall moulding, however, can be applied anywhere on the wall and is often used for decorative purposes. Wainscoting is just one type of wall moulding.


2. Can I install wainscoting on my own?

Yes! With the right tools, such as mitre shears for easy cuts, anyone can install wainscoting as a DIY project. Careful planning and accurate measurements will make the job much smoother.


3. What type of wood or material should I use for wainscoting?

The material you choose will depend on the room. MDF (medium-density fiberboard) is a popular choice because it's affordable and easy to work with. However, in high-moisture areas like bathrooms, you may want to consider using PVC or real wood to avoid warping.




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