How To Cut Baseboards Angles

How to Cut Baseboard Corners withoutMiter Saw

The miter box formula

A miter box is quite old fashioned but it is still in use. It comprises a small, plastic box, which is rectangular in shape and a back saw, which is small and a stiffed hand saw is set-in into per-cut angles. Follow the pr-cut angles, and cut through the base board by hand using the back saw. This process can be slow, but it will give you a clean cut, when there is no other available means.

Portable Hand cutting tools

With this portable cutting tool, you can easily cut or trim your baseboard. The angle is chosen as the guide is fitted to the baseboard with screws. Place the handheld cutting tool upon the miter guide and pull the trigger upward to turn on. Shove the cutting tool to and fro, as you use the guide to support the blade as the tool cut clean across the baseboard.

Baseboard Installed Without Miters

For baseboards lacking mitered corners, a similar kind of estimation process occurs. This baseboard fashion uses a square that is specifically built to fit the corners. Mitering requirement is expelled by the block as a level surface is made toward the side of the block. Before baseboard measurement is taken, the block is laid, with the objective of representing the sturdiness of the block in the estimate. This allows straight cutting of the two parts of the trim casting.

Baseboard Coping

Another technique is cutting a baseboard used to keep away from cutting mitered corners. In this example, the main bit of the trim is estimated and laid level to the edge and wall. Next to the pinnacle edge of the trim is the setting of a 45 craftsman’s triangle, and a drawn miter line like the wood were cut to fit a generally baseboard cut with a miter saw (not the level one set up). A subsequent vertical line proceeding with the initial line is pinched on the exterior.

Trim Cutting

At the point of the row at the top is where you find the trim, cautiously cut and the directness of the vertical face line. You should describe a pencil line that is going to be the shape of the baseboard beside the mitered edge. Cut 25 degrees from the miter along this pencil line. It is called adapting for it was generally finished with an adapting saw.

Its also possible to cut trim at a 45 degree angle without a miter saw so nothing to worry about it.

However, any turning device harboring a blade for cutting can imitate the cut. There will be a fit over of the cut’s end and in opposition to the current trim as though you performed an engraved cut. It will resemble a mitered cut, however, without the hole of a terrible cut.


The second step is by cutting the inside joint

  • The inside corner joint is also referred to as the coped joint. It cannot be said to be a butt joint because of the presence of a gap between the two baseboard pieces. To escape those gaps you are supposed to construct an inside joint.
  • Put one piece of baseboard against the wall at a right angle.
  • Set the other piece of board and place it down on the floor.
  • Hold and mold the scrap piece of the board perpendicularly and trace its profile by use of a pencil.
  • For you to find a reference point, this will help you to trail and facilitate the completion of the inside corner joint.
  • Cut and shape a 45-degree angle piece of baseboard by use of appropriate miter saw.
  • Rotate the angle to a clockwise direction till it is elevated to the left-hand side and towards the right-hand side of the machine.  Cut all through to create the best corner angle.
  • Cut along the profile and create a bevel cut and short a profile at a 90-degree angle. To connect and engage the cut trim together to identify holes and gaps in between the baseboards.
  • For best and smooth baseboard inside corner, trim accurately one of the boards, hold the other board straight and position it on the floor and allow it to connect with mating piece.
  • The final step is to remove the back bevel that will install a half round and other files till the boards fit the other with no gap.
  • Put some glue before you join the two baseboard pieces before you do finishing.Inside corners are places where 2 walls intersect to create a concave angle.
  • Nail your piece boards and ensure that the boards are correctly set exactly as when leaned to the wall.
  • It’s advisable to use 1.5-inch brads while closing the corners.

How To Cut Coped Joints

A jigsaw can also complete a coped cut on a baseboard. This is more challenging than a straight cut, but it leads to better results. You may want to practice with some scrap wood before attempting this on the baseboard.

1. Cut the baseboard to the correct length, cutting with a bevel cut at the end.

2. Take the jigsaw and do a back cut along the baseboard’s curve.

3. Clamp the baseboard securely to your bench.

4. On the backside of the baseboard, use the jigsaw to make a curved 45-degree angle cut.

5. File the edge or use sandpaper to finish. The socket of the back cut should fit the front of the other side of your baseboard.

Step 1: Butt the First Board

Lay your first piece of baseboard in the inside corner. This piece should be cut square (0°) and fit snug against the opposite wall.

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How to Make a Coped Corner Joint With a Jigsaw

The coped corner is a good deal harder to make than a simple miter corner, but they are worth it for a seamless looking fit. Even when the joint opens up as the baseboard wood shrinks, as it inevitably does, the opening is disguised by the extra material used in the joint.

Half of a coped corner is a baseboard that’s been cut to fit flat against the wall with no bevel, which is easy enough to do with a jigsaw or even a circular saw.

The overlapping half of the coped corner is first made by cutting the baseboard to length, preferably with a bevel cut that exposes the grain end of the baseboard. This gives the jigsaw or coping saw more material to work with.

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Things You Would Need To Cut Trim Angles

  • Miter Saw: While there are various types of miter saws available, we recommend a bevel sliding compound miter saw with a bevel sliding of at least 45 degrees in both left and right and a bevel maximum of 45 degrees.
  • Personal Protective Gear: This includes anti-cut heat resistant work gloves, earplugs, and protective eyewear. As miter saws have a powerful motor and a high RPM, it creates a lot of sawdust. The sawdust can inhibit vision and irritate the skin. It is damaging if it enters the eye. The blade is sharp, and there is a danger of injuring oneself. Miter saws can be noisy, and it is recommended to wear earplugs for protection. 
  • Angle Measure: We will use this to measure the angle required for the trim cut. 
  • Baseboards: The kind of baseboard you use will depend on your project. They will be cut down to make the trim cuts.
  • Tape measure and Marker: You can use any standard marker that writes on different materials. It will be used to mark the points where the trim angle will be cut. The tape measure will be used to measure the length of the baseboard to be cut.
  • Wood Filer or Sander: This will be used to make minor adjustments to the cut pieces of wood. Any standard saw sander and filer can be used. 
  • Wood Filler: This is a synthetic product which is equivalent to white cement in construction work. The wood filler can fill any gaps that may occur while placing the trim angle cuts.

How To Cut Baseboard With a Miter Saw

There are generally two types of cuts that are required for baseboard installation.

  • Straight cuts.
  • Angled cuts.

Let’s move on to the steps involved in making miter cuts on your baseboard.

Put On Your Safety Gear

While cutting, removing, or installing baseboards on walls, you will be using your hands a lot. To move boards, to handle objects, and to use your miter saw. So, use a pair of thick gloves, a pair of goggles, and a dust mask.

Mark Out The Measurements Needed

If you haven’t done this earlier, you need to do so now. Use your measuring tape to get the accurate measurements of the length of the baseboard needed, and then use the pencil to indicate that measurement on the baseboard to be cut.

Related Read — How to Change a Miter Saw Blade?

Cut Out the Required Length

Since you already marked out the measurements needed on the baseboard, you can go ahead to cut. When making baseboard cuts, the baseboard is placed on the miter saw in a way that it stands against the fence of your miter saw.

Don’t place the board on any of its surfaces. Place the board on its side and against the fence. As a precaution, always take note of the part that is needed and the part that will be cut off or be the waste material. As stated earlier, there are two types of cuts when installing baseboards. The straight cut and the angled cut.

How To Make Straight Cuts For Baseboard

The straight cut is pretty much straightforward. You don’t need to tilt the table or the saw. Just leave your miter saw on the zero degree-angle and cut straight and downward.

This type of cut is used for the base of your wall that doesn’t end at an angle. For instance, baseboards that will end where the door frame is.

How To Make Angled Cuts For Baseboard

When attempting to cut baseboards, most of the cuts you will make will be angled cuts. Angled cuts are different from straight cuts. To make angled cuts, you will have to tilt your miter saw table to a needed degree.

This will make diagonal cuts on your board. For instance, to make 90-degree cuts that will fit into most corners of your home, you will need to make a 45-degree cut on two pieces of the baseboard.

Then join both boards together to make a nice angle. There are two types of angled cuts. The inside angled and the outside angled cut. The inside angle is an inward angle or a corner. The outside angle is an outer angle or edge.

Related Read — Single Bevel vs Double Bevel Miter Saw

How To Cut Baseboard Corners With Jigsaw

If you don’t have the luxury of a miter saw, but you do have the popular jigsaw, you can use that tool to cut your baseboards.

For precise cuts, your saw should have at least 10 blade teeth, and 15 would be even better. You will also need a tape measure, a pencil, and a speed square.

To make a straight miter cut with a jigsaw follow these steps:

1. Measure the baseboard from the end to the cutting point, and mark the cutting point. Use the speed square to determine the cutting line and trace it.

2. As you pick up the jigsaw, the blade should start on the waste side of the cutting line. Place the shoe flat on the baseboard.

The baseboard should be securely clamped with enough distance from the floor or the workbench to keep the jigsaw from making contact with either.

3. Let the jigsaw reach full speed before you slowly guide it along the cut line. If you prefer, you can use the speed square to guide the shoe instead.

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