How to Cut Crown Molding Inside Corners

by wpx_admin
Updated on

If you’re looking for a tutorial on how to cut crown molding inside corners, you’ve come to the right place. In this blog post, we’ll show you exactly how to do it.

We’ll go over what supplies you’ll need, how to measure and mark your molding, and finally how to cut it. After reading this post, you’ll be an expert at cutting crown molding inside corners!

Checkout this video:

Crown molding basics

Crown molding is a decorative element often used in homes to add a bit of flair to plain, boring walls. It’s made out of wood or synthetic material and installed where the wall meets the ceiling. It’s a popular choice for living rooms, bedrooms, and kitchens. If you’re considering adding crown molding to your home, here’s what you need to know.

Selecting the right crown molding

Crown molding is an important design element in any room. It can be used to add a decorative touch, or to create a more dramatic effect. But before you can install crown molding, you need to select the right type for your project.

There are many different types of crown molding available on the market, so it’s important to do your research before making a purchase. You’ll need to consider the following factors:

– The type of material you want (e.g., wood, plastic, metal)
– The size and shape of the molding
– The style of the molding (e.g., simple, ornate)
– The finish of the molding (e.g., paintable, pre-finished)
– The price

Measuring and cutting the molding

To ensure a tight fit, you’ll need to make a precise cut at each corner. Luckily, with a little math and the use of a simple template, you can make perfect cuts every time!

Here’s how to do it:

First, take a few measurements of the room:
– Measure the width of the room at its widest point.
– Measure the height of the room at its tallest point.

Next, calculate the bevel angle:
– To do this, divide the width measurement by the height measurement.
– Take this number and find its inverse tangent using a scientific or graphing calculator (this will be your bevel angle).

Now, using these measurements, you can create a template for your molding:
– Cut a piece of scrap wood that is 2 inches wide and 2 feet long.
– Place the scrap wood flat on a table or work surface.
– Using a protractor or angle finder, mark off your bevel angle on one end of the scrap wood.
– Cut along the marked line to create your template.
Tip: When cutting crown molding, always cut upside down so that any chips fall away from the finished surface of the molding.

Cutting inside corners

The first thing you need to do is mark the wall so you know where to cut. You will need to make a 45 degree cut. To do this, you will need to use a miter saw. You will want to set the saw at a 45 degree angle and make the cut.

Cutting the molding at a 45 degree angle

Cutting the molding at a 45 degree angle is the most common way to install crown molding. The two pieces of molding will fit together perfectly at the corners, creating a seamless look. This method works well for rooms with 90 degree corners, but can also be used in rooms with angles that are not exactly 90 degrees.

To cut the molding at a 45 degree angle, you will need to make a 45 degree cut on both ends of the molding. You can use a miter saw or a miter box to make these cuts. If you are using a miter saw, you will need to set the blade to 45 degrees. If you are using a miter box, you will need to place the molding in the box so that it is resting at a 45 degree angle.

Once you have made the cuts, you can dry fit the molding into place. If it fits snugly against the wall and ceiling, you are ready to install it. If there is any gap between the molding and the wall or ceiling, you will need to adjust your cuts accordingly.

Cutting the molding at a 22.5 degree angle

Lay the molding flat on your miter saw table with the back of the molding flat against the fence and the point of the molding just touching the blade. You will be cutting on the waste side of the line. Cut at a 22.5 degree angle. You should now have two pieces of molding cut at a 22.5 degree angle with one long side and one short side. These pieces are called cope cuts

Cutting the molding at a 90 degree angle

Get crown molding that is long enough to span from one corner of the room to the other. Position the molding so that the bottom is flush with the ceiling and one end is flush with the wall. Make a small mark on the wall at the other end of the molding. Cut the molding at a 90 degree angle using a miter saw.

Position the molding against the wall and ceiling so that the mark you made earlier is flush with the wall. Use a level to make sure that the molding is level before attaching it to the wall. Nail or screw the molding into place.

Repeat this process for all of the inside corners in your room.

Finishing touches

Cutting crown molding for inside corners is a bit more difficult than cutting it for outside corners. The main thing you need to remember is to cut the molding at a 45 degree angle. You also need to make sure that the crown molding is level before you start cutting it.

Adding trim to the corners

One of the most important aspects of adding crown molding to your home is getting clean, sharp corners. To do this, you need to cut the molding at a 45-degree angle, which can be tricky if you don’t have a lot of experience with woodworking.

There are a few different ways that you can cut crown molding for inside corners, but we’re going to focus on two of the most popular methods: using a miter saw and using a coping saw.

Miter saws are designed specifically for cutting wood at 45-degree angles, so they’re ideal for this project. If you don’t have a miter saw, you can also use a coping saw, which is a hand-held saw that can be used to make precise cuts in wood.

Here’s a step-by-step guide to cutting crown molding with a miter saw:

1. Measure the length of the wall where you’ll be installing the crown molding. Measure from one corner to the other, and then add an extra inch or two to account for any inaccuracies in your measurement.

2. Cut your molding to size using a miter saw. Set the saw at a 45-degree angle and make sure that the blade is perfectly perpendicular to the piece of molding before you make your cut.

3. Fit the molding into place and use a nail gun or hammer and nails to attach it to the wall. Start at one end and work your way along the length of the molding until it’s all secure.

4. Fill in any gaps or imperfections with caulk and then paint or stain the molding to match the rest of your trim work.

Caulking the corners

After the molding is cut and nailed in place, you’ll need to add a finishing touch by caulking the corners. Caulking is a waterproof sealant that helps to fill in any gaps or cracks, and it will also help to prevent any moisture from seeping behind the molding.

To caulk the corners, start by running a bead of caulk along the joint between the wall and the molding. You can use a caulking gun or a tube of caulk for this step. Then, using your finger or a putty knife, spread the caulk into the joint, making sure to fill in any gaps.

Once the caulking is dry, you can paint over it if desired.


Use a dynamic headline element to output the post author description. You can also use a dynamic image element to output the author's avatar on the right.

Leave a Comment