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The basics of baseboard installation

How to install baseboard: A simple DIY guide

Baseboards in a corner, a leather and metal newspaper rack in front of it.

Knowing how to install baseboard properly is a valuable DIY skill. Read on and learn all about baseboard installation so you can get started straight away.

In this article

Baseboard installation: What you need to know

New baseboards can transform a room, adding a touch of character and class. They’re almost like a picture frame for the room – the perfect finish. Although baseboard installation can be time-consuming, it’s also a relatively straightforward DIY job. Simply follow the steps in this guide, and make sure you have the right tools and materials to hand.

Required materials

The secret to DIY success is preparation. Take the time to choose a baseboard material that’s a good fit for your room, complementing the space and furnishings. If you’re using wood, bring it inside to acclimate about a week before. Then, before you start installing baseboard moulding, measure and prepare the space thoroughly. We’ll show you how in the section below, so you can get the best possible results.

Expert Tip

The best adhesive for installing baseboard

Next, we’ll show you how to install baseboard using a strong adhesive.  The advantage of using adhesive over nails is that the result will look neater. Too many nails can spoil the appearance of the baseboard. For that reason, we recommend using nails only, if necessary, to keep heavier baseboards fixed in place.

But if you decide not to use nails, which adhesive should you use? Make sure you choose a strong glue that’s suitable for bonding heavy parts, and which is compatible with the materials of both the wall and the baseboard. High-strength Pattex adhesives are ideal for installing baseboards. Check out the No More Nails range, which includes the versatile Pattex No More Nails Interior & Exterior.  

Hands holding a baseboard with adhesive on the back.
Choosing the right adhesive is crucial for a successful baseboard installation, as it ensures a strong bond and long durability

As the name suggests, the super strength of this adhesive means that there’s no need for nails. It’s also very easy to use and doesn’t require any additional tools or products. Pattex No More Nails Interior & Exterior adheres to a range of materials, including wood and plaster, creating strong bonds quickly. It dries quickly too and can be painted over afterwards.

How to install baseboard moulding

Let’s look at how to install baseboard moulding with adhesive, step by step:

  1. Measure the wall where you plan to install the baseboard. Before you start installing baseboard, measure the area so you know how much material you’ll need.
  2. Purchase some extra material. You may want to buy some extra material, ensuring that each piece is as long as the wall (or longer). This way you can avoid unsightly joints. Keep in mind that you’ll also need some extra material for the mitre cuts on the corners.
  3. If necessary, remove the old baseboard. Cut through the caulk with a utility knife all the way along, then keep the knife inserted between the wall and the baseboard. Next, use a long, flat blade, or a tool such as a pry bar, to gently pull the baseboard away from the wall. This way, you’ll remove the baseboard without damaging the drywall.
  4. Clean the area. Remove any old caulk and clean up any dust or debris.
  5. Cut the new baseboard. Put the pieces of baseboard in position along the wall, then mark the corners. Create a template and determine the angle you need for each corner. Wearing goggles, use a mitre saw to cut the corners. Ensure that the joints line up before installing the baseboard.
  6. Attach the baseboard. Following the manufacturer’s instructions, apply the adhesive, then press the baseboard into place.
  7. Sand the corners. Use fine sandpaper to sand the corners of the baseboard, getting rid of any sharp edges.


Finally, you may be wondering how to fill the gap between the baseboard and floor or wall. While you should aim to fit the baseboard as tightly as possible during installation, you may still be left with some small gaps. 

Hands press a baseboard on the floor against the wall.
To close the last small gaps between the wall and the baseboard, it is advisable to apply some sealant to the edges of the skirting board

We recommend applying a small bead of caulk or sealant around the edges of the baseboard. Make sure you choose a product that’s suitable for the project and read the manufacturer’s instructions carefully before applying the caulk. Then, with the gaps sealed, your baseboard is ready to be primed and painted.

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