How To Cut Coving With Mitre Saws - Our Guide

Last Updated On September 17, 2021 By Elliot

Cutting coving is not an easy task, it needs precision and the right angles to make joints look seamless and neat, luckily for us DIY people, a mitre saw can help make this job a little easier.

Mitre saws can be used to help cut coving at a specific external or internal angle and can also be made easier with a mitre box, we have put together a little step by step guide below to help you out if it's your first time cutting coving with a mitre saw.

What Tools Do I Need For Cutting Coving?

Before you start cutting your coving there are some essential tools you will need to make the process easier, we've put together a list of the most important ones below so as you can make sure you have everything you need before getting started.

  • Adhesive
  • Chalk line
  • Mitre saw or guide
  • Pencil
  • Spirit level
  • Primer
  • Cloth or sponge
  • Paintbrush

Things You Need To Consider Before Cutting Your Coving

It's essential to make sure you know how much coving you need before you start cutting, this avoids excess waste and helps make cutting your joints smoother.

There are other things to consider too such as the type of coving your cutting and the angles needed in your room, we have gone into further detail below to help you out.

Type Of Coving

Coving itself can be brought in many different styles according to your taste and how you want to decorate your room, however, they tend to be made of either; plaster, polystyrene or duropolymer.

Most houses use either plaster coving or polystyrene which is more affordable. All coving tend to be white, nevertheless, you should make sure you use to choose the style that suits your home, also take into account how easy your coving is to cut if you're doing it DIY.

Find Your Angles

One of the first things you need to before cutting your coving is figuring out the angles in your room. If your lucky your room might be square with 90-degree angles, however, this isn't always the case, which means you need to figure out what kind of angles there is so as you can cut the right joints with your mitre saw.

Finding the angle in your room can be easily achieved with an angle finder then marked down with a mitre guide, it might be best to use a practice piece of coving so as you can make sure you are getting your angles right when measuring. If you have a simple 90-degree angle room then angles will be much easier to cut.

Using a Mitre Box

Mitre boxes or guides are a great tool for making sure you get your angles right, they are excellent for cutting coving and can hold your material straight while you saw your angles due to their slots.

These guides tend to operate with numbers so as you can not get confused when cutting your angles.

Measuring your room

Mitre boxes can help you number your walls into external and internal angles with numbers and are fairly easy to use.

To start measuring your room it's a good idea to take a practice piece of coving and measure it up with your pencil as a guide for sticking the cut coving down later. Make sure this is done evenly with a sprit level and keep the coving straight.

Don't worry too much about uneven places as this can be filled in when sticking the coving down later while measuring you should also be removing any loose plaster or paint to ensure a neat finish.

It's always best to start with the longest piece of coving first when measuring, then record the measurements down on the side of the coving.

How To Cut Coving With Your Mitre Saw

After measuring up your room and finding the necessary angles, its time for cutting your coving with your mitre saw. Cutting with a mitre saw is similar to cutting with a mitre box and is easy to adjust with the blade guard for the specific angle required.

Most mitre saws tend to have standard angle sizes for coving marked on their base and stops to rest against the coving when cutting; making the process much easier.

After cutting each external and internal angle its a good idea to place it against the wall and sand down any ends for a perfect finish before sticking them down with adhesive.

To cut your coving, it's best to feed it through the mitre saw from right to left with the wall edge facing up, the waste from your coving will then be on your right side as you would be cutting your internal left angle piece of coving. Repeat these steps until you have cut all the coving in the right angles for your room, it's best to add about 10% to each piece if you are not sure on your measurements.

Using Your Adhesive

After cutting your coving, you will need to make up an adhesive so as you can stick it to your wall. To do this, you can either use a painter knife or a silicone tube. You should put adhesive on each long side of your coving, avoid putting any in the centre back part of your coving as this does not make any contact with the wall.

After applying adhesive to your coving, you can stick it your wall by lining it up with the pencil marks you made earlier, firmly press the coving down on to the wall when fitting your mitre angle joint. You may need to fill it with more adhesive to fill in any gaps. Excess adhesive can be easily wiped away if needed - so its better to use more than less.

Our Simple Step By Step Guide

To simplify your coving mitre cutting and the fitting process we have put together a simple step by step list below for you to refer to when fitting your coving in your home.

  • Step One - Measure out your room and mark the walls for sticking your coving down later.
  • Step Two - Then measure coving for your left-hand external mitre and right-hand external mitre.
  • Step Three - Markdown the right and left mitres on your coving and the wall edge.
  • Step Four - Cut your external angles on your coving.
  • Step Five - Apply adhesive on to the back of your coving, line up with your guide on the wall and press down firmly.
  • Step Six - Remove excess adhesive with a cloth and fill in any gaps around mitre joints.
  • Step Seven - Finish the internal coving corner.

Final Conclusion

Overall, cutting coving with a mitre saw is pretty simple once you have your angles and measurements figured out. It's always best to cut extra in case your unsure and you should make sure to number and pencil your coving pieces accordingly to where they will fit on your wall.


I'm Elliot Higgins the Founder of multiple hardware stores around the UK. I love wood and wood working. Watching a fine piece of pine or cedar turn into a work of art is extremely satisfying. The one thing I love more than woodworking is the toys that we use! On; we bring you information and reviews on all kinds of tools.

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