How To Cut Base Boards with a Mitre Saw? Guide For Beginners in 2022

Baseboards are used to cover the gap between the floor and the wall. They can be made of different materials, but most commonly they are made of wood. Cutting baseboard is a simple process that requires only basic tools like a mitre saw and an electric drill.

If you’re looking for a quick and easy way to cut baseboards, then this article is just what you need. With the right tools and a few simple steps, it’s possible to get all of your baseboards cut in no time at all!

The first step in this guide will teach you how to cut baseboards with a miter saw so that you get accurate results every time!

Tool Required For Cutting:

Mitre Saw:

The very first thing you’ll need to do is set up your mitre saw. A mitre saw consists of a base and a sliding arm with an attached handle at one end. The handle can be pivoted in such a way that it’s parallel to the base when the saw is fully extended or perpendicular when the saw is fully retracted.

The guide recommends setting up your mitre saw with the handle parallel to the base when you are cutting 45-degree angles, but perpendicular when cutting 90-degree angles. This ensures that it’s easier for you to make accurate cuts without having to apply too much downward pressure on the saw.

Once you’ve extended the arm of the mitre saw, you will mount the first piece of baseboard onto it. The guide recommends placing this piece so that its top edge is facing away from you and aligned with the edge of the mitre saw’s base. Then, grip the handle firmly and adjust your hold on it until you are comfortable with its position.

Once your hold is firm, slowly push the saw forward to cut the baseboard. Remember to keep your fingers clear of the blade at all times!

The next step in this guide will teach you how to drill holes for the screws that will hold the baseboard in place.

Tool Required For Drilling:

Electric Drill:

Drilling holes for the baseboard can be done either before or after it has been cut. It is advisable to consult your wall’s construction prior to drilling holes in you baseboard so that you don’t damage any wiring or pipes that may be present in the walls.

Once you’ve marked the spots where you will drill your holes, you can drill them with your electric drill. For this step it is recommended that you use a spade bit as they are specifically designed for drilling larger holes.

Once all of the holes have been drilled, you will insert the screws into these holes and tighten them to attach the baseboard to the wall. Remember not to over-tighten the screws or you will risk damaging them!

The last step in this guide is to fill the holes left behind by these screws with wood putty. This must be done before applying paint to your baseboard.

Tool Required for Filling:

Wood Putty:

You can use any type of wood filler that you prefer, but it is recommended that you use a putty that is specifically designed for wood. This will ensure that the filler adheres to the wood properly and doesn’t crack or chip over time.

If you’re using a tube of wood filler, then use a putty knife to apply it to the holes. If you’re using a can of wood filler, then use a small brush to apply it. Once the filler has been applied, wait for it to dry completely before sanding it down so that it’s flush with the surface of the baseboard.

Once the filler has been sanded down, you can apply paint or stain to your baseboard however you please!

Step By Step Instructions For Cutting Baseboards With A Mitre Saw:

Step 1: Setting Up The Mitre Saw

The first step involves setting up your mitre saw. Once this is set up you are ready to make accurate cuts with ease!

This is what you’ll need to do before cutting any baseboards with your mitre saw.

Make sure that your saw’s table is clean and clear of any debris that could interfere with the cut. If it’s not, then use a cloth to wipe away the dust and trash.

Make sure that you know where your mitre saw’s bevel angle locking knob is located. Its primary purpose is to hold the blade in place while locking it into position at a desired degree angle. This will come in handy later when you are cross cutting.

A square or framing square can be used to check the accuracy of your mitre saw blade, but if one is not available then a simple piece of square lumber will get the job done.

It’s also important to make sure that your saw’s work table is parallel with the saw’s blade. If it’s not, the blade will not make a clean cut. To fix this, use the saw’s bevel adjustment knob to adjust the table until it is parallel with the blade.

Now that your mitre saw is set up and ready to go, it’s time to move on to the next step!

Step 2: Cutting The Baseboard

Now that your saw is set up, it’s time to start cutting those baseboards!

There are a few different ways to do this, but we will be focusing on the most common and simplest way. This involves making a straight cut along the length of the board.

To make this cut, first clamp your board to the saw’s work table. Make sure that the board is secured and won’t slip or move while you’re cutting it.

Once your board is clamped in place, use your mitre saw to make the desired cut. For this example we will be making a 90-degree cross cut so our blade should line up with the back edge of the board.

Now that you’re done cutting your board, it’s time to move onto the last step in this guide!

Step 3: Cutting Baseboards At An Angle

There are certain situations where your baseboard needs to be cut at an angle, but perfectly straight cuts aren’t always ideal for all applications. We’ll go over how to do this so that your cuts are as accurate as possible.

To cut a baseboard at an angle, you will work the same way as when making straight cuts. The only difference is how you position the board and what angle you set the blade on.

First make sure your mitre saw is set up with the desired bevel angle that you need. The crown molding in this example will require a 45-degree angle.

Take your baseboard and position it against the back edge of the mitre saw’s table, with the bottom end of the board facing you. You should line up one side of the board with either side of the blade so that you can make the cut.

Now clamp your baseboard down to the saw’s table and make the desired cut. Remember that when cutting at an angle, you will get two cuts per board; one for each end of the board.

If this is done properly then both ends of your board will be angled in towards one another! You can also use this technique to cut crown molding, as well as other types of trim.

Now that you know how to cut baseboards with a mitre saw, you can go ahead and start tackling those projects around your home! With these simple steps, it’s easy to get accurate and professional-looking results in no time at all. Thanks for reading!


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Emma Avery
By Emma Avery

I'm Emma Avery, founder of Tttools.uk. I founded this site with the goal in mind to provide a place where beginners could learn about saw tools, and have access to resources that would be useful for them (and me!) as they develop their skills. Funnily enough, my favorite thing about running the site is getting feedback from you guys! I love hearing how it's helped you get more confident or achieve your goals; it really means a lot that you're taking the time to send me an email or leave a comment on one of our articles. It's been so educational already learning all about saws and timber framing. Thanks for following along with us!


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