There are now more than enough tips on how to cut a baseboard at 45 degrees on the Internet, the only bad thing is that most of them are given by people who have never done this. Next, from a practical point of view, I will tell you how to cut skirting boards at the corners with your own hands in 3 options, and you will learn how to traditional ways, and about folk universal recipes.

The science of how to properly trim ceiling moldings in corners is not as complicated as it may seem.

A few words about tools and materials

Floor skirting boards are now made of wood or polyvinyl chloride (PVC), in other words, plastic. For ceiling fillets, the list is a little longer:

The range of ceiling plinths is much wider than that of the floor type.

1. Polyurethane - these skirting boards have good elasticity and can bend around radial and other curved surfaces, but in any case they need to be trimmed to precise angles;
2. Foam plastic - the simplest budget option, the price of foam skirting boards is low and they are very easy to cut;
3. PVC - the principle is the same as for floor skirting boards, but model range much wider;
4. Wooden - similar to floor ones, only here there are also wide models;
5. Gypsum - with the advent of polyurethane and foam plastic, gypsum ceiling fillets faded into the background, firstly, they are heavy, and secondly, fragile. But to be fair, they are worth mentioning.

Since it is impossible to correctly cut the ceiling plinth and its floor counterpart without a good tool, we will dwell on this issue in a little more detail.

The best, almost ideal tool for trimming any skirting boards and more is miter saw with a rotating stand. The high-speed disc makes smooth and precise cuts, and the bed in these units rotates to any angle. The only problem is the serious cost of this tool.

A miter saw is an almost ideal tool for cutting baseboards and more.

Considered one of the best hand tools For precise cutting small bars - this is an axing saw. In principle, this is true, but I’ll tell you honestly, it’s not easy to find a really high-quality saw, even with the current assortment. If you decide to buy such a tool, then take a saw with a fine tooth.

Theoretically, foam and polyurethane can be cut with any sharp and durable knife. But at the same time you need to have a steady hand and at least a little experience in cutting foam. Plus, cutting wide fillets with a knife is very problematic.

Without experience, making a clear cut with a knife is very problematic.

Personally, if I don’t have a crosscut tool, I only use a hacksaw. It is suitable for cutting absolutely any material, from foam to wood. By the way, people often ask the question of how to trim plastic skirting board for the floor, so - take a hacksaw and you definitely can’t go wrong.

For cutting skirting boards, a hacksaw is considered one of the best tools.

Three working methods for trimming skirting boards

For floor and ceiling skirting boards, the cutting instructions are almost the same. But if on the floor a crooked corner can be covered with something, then on the ceiling this is already a problem, so we will pay more attention to how to cut the ceiling plinths.

Method number 1. Classic miter box

The classic miter box is a U-shaped box with slots in the opposite sides. A piece of suitable size is inserted into this stock and sawed off with a hacksaw through the slots in the sides. The idea is not new, the tool is already several hundred years old, but despite its simplicity, how to properly cut a corner ceiling plinth Not everyone knows how to use such a miter box.

Not everyone knows how to cut a ceiling plinth in a corner using a classic miter box.

Tip: when trimming ceiling plinths, they are applied to the side of the miter box that is closer to you, and floor skirting boards on the contrary, you need to apply it to the side of the instrument farthest from you. This is not a dogma, but it is much easier to work this way.

It is easier to work with floor plinths, since the miter box lies on a horizontal plane, it is easier for you to orient yourself in the position of the plinth. People most often make mistakes when cutting ceiling fillets; they simply insert them into the tool incorrectly. There is a simple but important rule here.

Important: the side of the ceiling fillet that touches the wall should be directed to the upper edge of the side of the miter box, and that part of the plinth that borders the ceiling should be placed on the bottom of the miter box.

As you know, a corner has 2 sides, so in order to make fewer mistakes, train yourself to put the bar that will be mounted on the right side of the corner in the miter box on the right, and the bar that is attached to the left in the miter box on the left. The intricacies of using a classic miter box are described in detail in the video in this article.

In addition to the classic U-shaped miter box, there are two more types of similar designs - a professional and a rotary tool. As for the professional option, only masters use it. The device is quite bulky, but it rotates at any angle and has a hacksaw that can be locked in the desired position.

Professional miter box with the ability to fix a hacksaw and workpiece.

The rotating device can easily be called a “pocket” miter box. The only advantage here is the ability to clearly fix the angle of rotation of the bar. On the one hand, it’s easy to work with - set the corner, apply it to the baseboard and cut it off. But on the other hand, you need to get used to such a tool; if you do not have experience working with a hacksaw, then you should not take a rotary miter box.

Advice: when choosing a classic U-shaped miter box, first of all, do not buy Chinese products. And secondly, try to buy models with the ability to rigidly fix the part inside; one of these models is shown in the photo below.

A miter box with the ability to fix the part inside is much more convenient to work with.

Method number 2. Trimming according to a template

Most often, both ceiling and floor skirting boards need to be cut at 45º. If there is no specialized tool nearby, then an improvised miter box can be drawn on a piece of notebook paper. From the school geometry course we know that the diagonal of any square in relation to the base has an inclination angle of 45º.

Next you need to draw a square and draw 2 diagonals in it - this will be the required 45º. All you have to do is correctly attach the plinth to the leaf and mark. True, in order to cut the plinth smoothly without guides, you need a good eye and a steady hand.

Method No. 3. Applied universal

Trimming at 45º is a common option, but what if you need a different angle and only have a hacksaw and a pencil? It turns out that there is a very simple way out of this situation. Plus, this method is universal, it is suitable for both external and internal corners.

Moreover, I can assure you that those angles that visually seem straight, in fact have deviations of a couple of degrees. As a result, you buy good tool, you cut off exactly 45º, and when joining, a gap “pops out” between the baseboards. Here this problem disappears. And then, using an example, we will look at how to cut the ceiling plinth in the inner corner.

Illustrations	Recommendations
	Stage 1. Take the fillet, place it on one side of the corner and use it to draw 2 lines, along the wall and along the ceiling. Advice: to make the lines unnoticeable, they can be drawn not with a pencil but, for example, with a nail or the tip of a knife.
	Stage 2. Do the same on the adjacent side of the corner.
	Stage 3. If you draw a diagonal from the intersection of the lines on the ceiling to the inner corner, you will get the desired cutting line.
	Stage 4. Next, take the tool and cut along the finished markings. If you are comfortable with a hacksaw, then the baseboards should fit together perfectly.
	. As I already mentioned, you can trim the outer corner using exactly the same technology.

Important nuances

If you tried your best, but a small gap at the joint still “came out,” do not be discouraged. In wooden fillets, such a gap is easily covered up furniture wax. To fill a gap on baseboards made of polyurethane, foam, plastic or plaster, putty is perfect. Naturally, the color of the composition must match the color of the baseboard.

All cracks in the area of ​​the ceiling fillets are sealed with putty.

Wide ceiling fillets are certainly beautiful, but they can only be mounted perfectly smooth walls. If the plane of the wall in relation to the ceiling is wavy, then it is better to buy narrow polyurethane fillets, they are elastic and will smooth out this drawback.

The most questions arise about how to cut wallpaper to fit the ceiling plinth. There is nothing complicated here: the wallpaper is glued with a slight overlap on the baseboards and when the wall is completely glued, take a large spatula, place it in the corner and cut off the excess along the blade with a knife.

But keep in mind - neither the knife nor the spatula can be removed from the wall until you have gone through the entire plane. That is, you put a spatula from the corner, cut the wallpaper along the length of the blade, and then, without lifting the blade from the wall, move and cut until you reach the next corner.

Conclusion

All three methods I described work; the choice depends on what tool you have and what your professional skills are. If after watching the video you still have questions, welcome to the comments, I will help in any way I can.

If you are not confident in your abilities, then for both floor and ceiling plinths there are joining elements that allow you to do without trimming.

You will need

• - miter box;
• - hacksaw;
• - wooden blank;
• - protractor;
• - pencil;
• - a clamp or screws and a screwdriver.

Instructions

Prepare a corner template that will help you easily make an accurate cut of a piece of wood at an angle of 45 degrees. This device is a profile in the form of an inverted letter “P”; On its sides there are through slots for a hacksaw. They are usually located at angles of 45, 60 and 90 degrees. More complex miter boxes are additionally equipped with arbitrary fixed slots, or have a rotating design - it allows you to install the saw in the optimal position.

Buy ready-made carpentry tools from a hardware store with a wooden, metal or plastic tray. For a novice master this is best option. If desired, you can make a simple miter box from three planed boards or plywood strips (thickness - about 1.5-2 cm).

Drill several holes in the walls of the future miter box, apply wood glue to the ends and assemble the box (tray) of the miter box. Secure the corner template with screws. The walls of the instrument must lie strictly parallel to one another; the bottom and each side form clear perpendiculars.

Mark a 45 degree angle with a pencil, add if necessary additional lines grooves To avoid mistakes in your calculations, use a protractor.

The most important thing is the slots. It is recommended to perform them with the same hacksaw that will subsequently be used to make cuts in the finished miter box. Start sawing without putting too much pressure on the working tool and hold the blade. First saw through one side, then the opposite.

Start processing lumber. Secure the miter box to a workbench or work table with a clamp (clamps for fixing parts) or screws. Then make a mark for the future cut on the slats (boards, plinths) and place the workpiece in the box. Press it firmly against one of the side walls of the template, aligning the marks with the 45-degree angle slot.

Insert the hacksaw into the grooves of the miter box and cut the workpiece. The saw will be limited to fixed cuts and you will get a clean and precise cut.

When cutting skirting boards, make sure that the corners in the room are really straight. If the walls are very uneven, the angle of the cut on the workpieces should be adjusted. Measure the joints with a goniometer interior walls and divide the result in half (the joint of the skirting boards is “miteral”). To make an accurate cut, it is recommended to make grooves with a given angle in a homemade miter box. Another option is a magazine rotary tool, which allows you to change the angle from 0 to 180 degrees in approximately 15-degree increments.

Sometimes you need to cut a particular part or product at a certain angle. As a rule, you need to cut baguettes, fillets, platbands, baseboards and other similar interior elements at an angle of 45 degrees. Anyone can cope with this task. The main thing is not to rush, don’t be nervous and everything will work out.

Buy ready-made corner elements

Of course, the easiest way is not to bother with trimming this or that part, but to buy a ready-made one that does not need processing or trimming. Such parts and elements are sold today everywhere in large supermarkets or smaller stores.

For example, as for baguettes or fillets, special corner elements are sold for them that fit perfectly into the corner and do not need to be trimmed. They just need to be glued into place and pressed well.

Method of joining platbands without trimming

Today, platbands are often not cut at an angle and then joined together, but the joints are made at right angles. This method of connecting platbands does not require any special trimming, which is very convenient. In addition, this method looks more modern and attractive.

Cutting at an angle using a miter box

If you still need to cut this or that part at an angle, then you should stock up on a miter box - a simple device that looks like a small box. The miter box has slots that are designed for a saw or long sharp knife. Of course, these slots are made to form a smooth and precise 45 degree angle.

However, a miter box can have many slots at once, at different angles. This is convenient because with the help of one device you can trim any parts at different angles.

There are adjustable miter boxes on sale. The slots in such a miter box can be adjusted, which allows the master to set exactly the angle required in the at the moment. In particular, it is quite simple to move the slits of such a miter box to a position of 45 degrees.

Now you can trim the workpiece simply. A baguette, platband or plinth is placed in the miter box, after which a saw is inserted into the slots and the excess is simply cut off. The angle ends up being perfect, exactly 45 degrees.

What to do if there is no miter box? Very simple. You need to make a template according to which it will not be difficult to transfer the necessary markings to the workpieces. As a template, you can choose thick cardboard or anything else that will be appropriate in this case.

Cutting parts at an angle using a protractor

You can cut the part at an angle using a protractor. This is a measuring tool that is easy to use, and which is designed specifically for measuring angles or making the necessary markings on certain parts. The protractor is applied to the part, the angle is marked and the markings are made with a pencil. Using these markings, cutting the workpiece at the desired angle will not be difficult.

Using Templates

If you don’t have a protractor, miter box or ready-made corner elements, you’ll have to look for a suitable template. Of course, the template must have the desired angle. It is applied to the workpiece and the workpiece is marked with a pencil. This is one of the most simple ways achieve the desired result.

Trimming "on the spot"

The walls, floor and ceiling will not always be perfectly flat in practice. Most often they have irregularities. For this reason, there is no need to cut the workpieces at clear and precise angles, because anyway they will not fit perfectly.

Instead, it is sometimes convenient to trim the same ceiling plinth in place. That is, first they glue one strip of the plinth, trim it in the corner, and cut the second strip under it.

Of course, it is hardly possible to cut the workpiece perfectly. However, if a small gap appears in the corner, it can always be covered with putty or gypsum plaster. Nothing special.

Video: How to cut the corner of a plinth or baguette without a miter box

Ceiling is a narrow decorative demarcation between and adjacent walls.

They are very convenient for masking joints on walls and ceilings, especially if they have a different structure and are not made very carefully.

Its presence makes the room design clearer and more complete.

People often wonder: how to properly and accurately decorate a room with ceiling plinths?

This is especially true for those cases when the home owner prefers repairs done with his own hands.

To do this correctly, it is important to strictly follow existing recommendations and rules finishing works. And then the result will please you.

There are no difficulties in attaching the fillet (this is the name of this element): virtually all types of products are attached with reliable glue.

They lend themselves well to processing with a special fine-toothed hacksaw. You can also use a reliable metal blade. So how to cut the ceiling plinth correctly?

Ready-made factory corners

Note that each master has the opportunity not to pore over precise cutting and fitting of corners.

IN hardware store You can purchase a factory-made corner element into which the prepared edges of the plinth are easily inserted.

It is enough to measure the required length of the workpiece and cut it at a right angle.

All defects and flaws will be hidden by this special element. But like this in a convenient way It’s not always possible to use it, because standard sizes Such factory corners may differ markedly from the size of the baseboard itself.

Such angles will stand out due to their disproportion, and it will not look very neat. But if the design of the room and the size of the workpieces allow you to use this method, then you should not neglect it.

For those who have to use one of the methods for cutting ceiling plinths, the following tips will be useful.

Trimming fillets

Trimming using a miter box

How to evenly trim the corner of a ceiling plinth using it?

A miter box is a simple tool used by carpenters. With its help, you can cut any workpiece at the desired angle.

It is usually a wooden, metal or plastic tray on which special vertical slots are made for cutting at an angle of 45° and 90°.

There are complicated designs, which, in addition to the mentioned angles, also have a hole for making a 60-degree cut.

For professional work A special miter box is produced. His swivel mechanism allows you to fix the cutting blade in relation to the workpiece at any given angle.

Internal corner

The prepared one is applied to the ceiling, the required length is set aside.

Then this same bar is inserted into the miter box exactly as it will be located on the ceiling. It must be pressed against the far wall of the device. In this position, the plinth is held with your left hand.

The hacksaw blade should be in such a position that its angle is 45 degrees, and the handle is as close to the hand as possible. Trying to avoid pressing on the saw, we carefully cut the workpiece.

The position of the hacksaw is similar to the previous procedure - its handle approaches the hand at an angle of 45 degrees. The baseboard is cut.

Then the finished, already cut planks are joined - the accuracy of the fit is checked. It is believed that for better orientation, when making an internal corner, it is better to start cutting from the front part of the product. The cut locations usually have to be adjusted with a file.

External corner

The most correct way to keep the dimensions more accurately is to first start marking internal corner, and only after that move on to the external.

Otherwise, it may happen that the entire length of the bar is not enough.

The plank is applied to the ceiling, and marks are made according to the size. Holding with your left hand, the ceiling plinth is pressed against the nearest wall, the handle of the hacksaw moves closer to your hand. The workpiece is cut.

The strike plate is pressed against the nearest wall, while it holds right hand. The hacksaw blade should be at an angle of 45°, the handle of the tool should be close to the hand of the master. A piece of the workpiece is cut off, the corner is neatly joined.

This type of edge processing of parts using wort is good in cases where the angle between the walls is even and straight (90°).

If its performance leaves much to be desired, then it is worth using a different method.

How to cut a ceiling plinth without a miter box?

Markings on the ceiling

The method with markings on the ceiling allows you to cut the corner accurately and evenly. It has one drawback - it is rather inconvenient to hold the bar suspended while performing the procedure.

For everything else, with the help this method you will be able to mark the cutting angle even more accurately than others.

When the plinth is applied to the intended installation location, all dimensional deviations and inaccuracies are noticeable and immediately taken into account.

Corner cutting

First you need to take a couple of blanks, then cut them at a right angle. Pressing the end of the plank against the perpendicular wall, we apply one plank. We draw a line on the ceiling along the contour of the plinth. We remove the first plank, then, in the same way, resting the end against the wall, we apply a counter plank. We mark a line along the contour in the same way.

The point where the two separate lines intersect is the mark at which the workpiece is cut. Each strip is applied to the surface again, and the point of the future cut is marked on both. From the found point to the other edge of the plinth strip, draw a line. We cut the skirting boards according to the previously made outlines, carefully join them, and place them in the place where they will be installed.

This method allows you to more accurately process internal corners.

How to make a miter box template with your own hands

If you don't have a miter box, you don't have to buy a tool for one-time use. You can make a template with similar functions yourself.

To do this, the required cut angles are applied to wood, paper or cardboard.

Then you need to draw a pair of parallel lines, find the center, and then use a protractor to measure angles of any given size.

This method is especially convenient because, using it, you can set an angle of any size, even larger than a straight line.

Method of processing plinth blanks using homemade instrument practically no different from working with the original. The plank is pressed against one of the parallels, after which the hacksaw is set at the required angle and cut off.

Remember that before cutting the corners of the workpiece, be sure to check the size of the angle between the walls! To do this, use a protractor and a corner.

How to cut ceiling plinth correctly. Important little things

The measurements required to cut the plinth for the ceiling should be done in a special way.
To determine and mark an internal corner, the length must be measured from the corner itself. To mark external corner It is necessary to take into account that the plinth will protrude into the interior of the room at a distance equal to its width.

It is not advisable to fasten the skirting boards until their exact location has been measured and the counter plinth has been cut.
Only after the perfect convergence of both strikers in the corner can you begin their installation and fastening. If work is carried out with polyurethane or wooden skirting boards, defects and flaws can be corrected with a nail file or file. To fit a product from, you should arm yourself with a sharp knife.

If even after finishing the baseboards there remains even a small gap, do not rush to get upset - it is easy to repair it with ordinary putty.
Cutting ceiling plinth accurately and accurately is not that difficult. But in order to acquire at least a small skill, first try to practice on small workpieces.

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Small inconsistencies can often arise that spoil general view premises. This, of course, can and should be avoided. So, how to cut a plinth straight with your own hands? The first assistant in this matter will be a tool such as miter box. But buying one for one-time repairs is not always advisable. Although, if you decide to help all your relatives and neighbors with repairs, and in the future also earn money from it, then you need this device.

Cutting methods

The product is installed around the perimeter rectangular room. Trimmed to finish right angles. Therefore, we will consider how to cut the baseboard into 45 degrees.

Cutting using a miter box

What is a miter box? This is a special tray made of wood, aluminum or plastic with grooves provided to guide the saw at the desired angle.

Here are brief instructions for using such a carpentry tool:

• Preparation. We take the product and put it in the tray. We align it to the position in which it will be installed on the ceiling.
• Cutting. With the other hand we insert it into the groove cutting tool. It could be a knife or a hacksaw. And we cut it boldly. The device will not allow you to miss the intended place.

You should know: the metal blade is also suitable for cutting foam plastic.

• Processing. The wooden baseboard may need to be further processed with a file to align the edges of the cut. Plastic or foam can be trimmed with a knife, as long as it is sharp enough.

Tip: when cutting, do not put pressure on the product. The polystyrene foam may crumble, and the wood may even split.

Cutting without a miter box

If you do not have such a device, and you are not going to purchase it for one-time use, then you can use in the following ways How to cut a baseboard at 45 degrees.

1. First way- this is a simple thing to do carpenter's tool on one's own. To do this, knock down the most ordinary wooden tray. Then we measure the lines of the slots using a protractor or a school square. We cut the grooves and we have a primitive device ready.

1. Second way How to cut a plinth at an angle is even simpler. It is especially painless to use in cases where the corners of the room are not even.

We don't need a tray. All you need is two boards bent at 90 degrees and a cardboard stencil with a line drawn for orientation.

1. Third way. In this case, we don’t knock anything down at all, but simply use a table placed against the wall or any other similar structure.

We mark future joints directly on the product itself, on the wall and on the ceiling. We apply the plinth the way we are going to mount it and cut according to the marks.

Remember: when cutting, keep the tool strictly vertical to obtain a right angle.

Features of cutting various angles

We have discussed the general technology of how to cut ceiling skirting boards. But there are also some nuances when cutting different corners of this product.

Indoor floor

First, let's set the left and right plinths at right angles. We insert the left product into the miter box, applying it to outside, cut off the left inner corner. Then we perform a similar operation with the right one. Ready.

External floor

In this case, using a miter box, we set the mode not to the inner, but to the outer edges. Otherwise the operation is similar.

External ceiling

We already cut the ceiling corners into inside devices. Inserting the left plinth into the miter box, cut off the left outer corner. We substitute the right one – the mode is right outer edge.

Internal ceiling

By analogy with the outer corner, we also cut the inner one. Just cut the inner left and right edges respectively.

It is important to remember: the product is always attached to the ceiling upside down. Therefore, insert it upside down into the miter box. This will help you cut the baseboard correctly.

• Install the plinth strip only when you have already prepared the next one. It's better to do this on the floor rather than near the ceiling.
• Patience, patience and more patience. Sometimes joints have to be corrected more than once. Don't be nervous, be careful, and everything will work out.
• By using polystyrene foam and plastic, you can afford to leave small gaps at the corner joints. The putty hides them well. Be careful with the tree.

Results

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