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How to cut an internal and external corner on a ceiling plinth using a miter box

We decided to install ceiling plinth(fillet, molding)? Do you want to hide the joints and get a finished look? While doing your job, you may encounter a lot of nuances. To avoid difficulties, you should figure out how to cut ceiling plinths in internal and external corners, what a miter box is and how to make it. This is what we will do.

Tools

When installing fillets, the question invariably arises of how to correctly cut the slope of these decorative elements. To solve this problem, certain tools are used to do everything correctly:

• tape measure and pencil;
• hacksaw;
• ordinary or clerical;
• miter box.

The miter box is a popular, easy-to-use carpentry tool that allows you to cut skirting boards at the desired angle. This device is made of metal, wood, plastic. On the side walls of the device there are vertical slots for cutting, made at an angle of 45, 60, 90 degrees.

Professional models are devices with a rotating mechanism, which allows you to fix the file relative to the workpiece at almost any angle. Thus, the question of how to cut a ceiling plinth at an angle is greatly simplified.

Cutting corners

At what angle to cut the ceiling plinth , depends on its location - it is external or internal.

Internal tilt

Cutting the internal corner is done step by step in a certain order:

1. First you need to measure desired length plinths on the ceiling.

1. Place the workpiece strip inside the miter box as it will be located on the ceiling.

For correct implementation work, it is necessary to place the plinth strip front side up.

1. Press the workpiece against the far wall of the tool, holding it with your left hand.
2. The next step is to install the saw at an angle of 45 degrees so that its handle is as close to your left hand as possible. The baseboard should be trimmed without pressing hard on the saw.

1. Next you need to cut off the counter strip. To do this, the workpiece is installed against the far wall.
2. Let's hold her right hand.
3. Rotate the hacksaw at an angle of 45 degrees. In this case, the handle should be turned to the right. After this you can cut off the baseboard.

1. At the end of trimming, the inner corner of the ceiling plinth is checked by joining the planks.

Following this algorithm, you can complete the job with millimeter accuracy. And the question of how to cut the inner corner will already be closed.

External slope

It is better to proceed to cutting the outer corner only after the inner one, since otherwise the molding may not be long enough.

To decide how to cut correctly outside corner, you must act in a strictly defined way:

1. The first step, as in the case of the internal corner, is to mark the ceiling and apply the necessary marks to it with a pencil.
2. At the second stage, the plinth blank should be installed close to the nearest wall of the miter box.

1. Holding the plank with your left hand, turn the hacksaw 45 degrees with the handle to the left and cut off the baseboard.
2. To saw off the strike plate, you need to position it closer to the front wall of the device, holding it with your right hand. Saw off the baseboard at a 45 degree angle by turning the handle to the right.

1. After this, the cut pieces are joined together and, if necessary, the surfaces are trimmed, forming external corner.

We make a miter box ourselves

Sample

The template can be made using cardboard, wood or paper. The necessary markings are applied to these materials in the following form:

• first, two clear lines are drawn in parallel;
• between these lines the central point is determined and marked on paper;
• draw with the help of a protractor required angles, which can be more than 90 degrees.

Before using the template, it is important to consider the angle between the walls, as well as between the walls and the ceiling.

Miter box

The manufacture of this tool can be done in different ways:

1. Of the three wooden planks or slats, a U-shaped box is mounted. Grooves are marked and cut out on its walls at the required angles.
2. Two boards are knocked together strictly in perpendicular planes. A template is applied to the paper in the form of lines with 45 degree slopes for cutting. The workpiece is applied to the corner, pressed against it with your hand, as in the case of using a miter box, and the paper template is located on the opposite side. Cutting the fillet is carried out in accordance with the lines drawn on paper. When cutting ceiling plinth, you can use anything that forms a right angle.

Other ways to cut corners

It is most rational to use a miter box when the adjoining walls are strictly perpendicular planes. In other cases, these problems can be solved by marking the baseboard on the ceiling. This method allows you to take into account all deviations in the size of the angle, as well as unevenness of the walls.

It is important to carry out work in a certain order:

1. First, two pieces are cut along a straight vertical line.
2. On next stage it is necessary to attach one plank, resting its end against the perpendicular wall, and then perform the same operations with the second plank.
3. Draw an outline on the ceiling using a pencil.

1. The point of intersection of the drawn contours will mark the mark along which the plinth is cut, forming corner in the ceiling plinth.
2. Then you should re-attach each plank in turn and mark a cutting line on them connecting its two edges.
3. The plinth is cut along the intended lines, after which its two parts need to be joined and attached to the installation site.

With this method, it is important to consider two points: 1) it is more suitable for internal corners; 2) fillets cannot be fixed one at a time without first joining and trying them on relative position. The remaining gaps between the two planks can be filled with putty.

Types of fillets

Now that we have figured out the basic principles of cutting corners, I would like to mention that fillets can be made from different materials:

• polyurethane;
• polyvinyl chloride;
• polystyrene (foam);
• tree.

And so that you have an idea about each of them, and can choose the appropriate part, I will briefly describe their characteristics:

• Polyurethane stucco is distinguished by quality, strength, elasticity and moisture resistance. Their main disadvantage is poor resistance to sudden temperature changes. Therefore, I would not recommend installing such parts in rooms with high humidity.

• Skirting boards made of polyvinyl chloride have a favorable price. However, the material is capable of accumulating static electricity.

• Polystyrene fillets are resistant to moisture and have good quality and attractive appearance. However, they can break under mechanical stress.

• Wooden skirting boards are natural materials, but their disadvantage is their susceptibility to moisture, high temperatures, and also relatively heavy weight.

Also, fillets differ in their length, width, shape, and relief. Most often they are glued to ceiling joints to hide them. You need to choose molding based on the type of wall and ceiling, and the size of the room.

Now you know how to make a miter box yourself and how to clearly make a corner on the ceiling plinth. By following the rules I described, you will easily solve this problem. If you have any questions, ask them in the comments. And the algorithm of actions will be clearly demonstrated in the video in this article.

November 30, 2016

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Proper ceiling design makes almost any renovation beautiful and neat. The corners of the skirting boards carry a large load in finishing any room and creating the overall impression of the interior.

Peculiarities

The first baseboards that people came up with were made of gypsum. In order to make them, gypsum was poured into special molds. They were then attached to the ceiling. Such decorations were called fillets. Currently, they are not popular, are not so easy to manufacture, and are not inexpensive. Nowadays this name hardly comes up.

What to cut with?

To understand which tool to use to cut, you need to understand what the baseboard is made of.

• PVC ceiling plinth. It is one of the cheapest. There are many disadvantages to such skirting boards, one of them is that these products are quite brittle and can hardly be restored after damage. This is due to the lack of ductility of this structure. PVC products are electrostatic, which means they attract dirt and dust. You can cut such skirting boards with a hacksaw, a construction knife, or a sharp kitchen knife.
• Ceiling plinth made of polystyrene foam. This option is also considered inexpensive. The downside is its high fragility; if handled incorrectly, it begins to crumble. It is better to cut with a sharpened knife or a hacksaw, but do not put in much effort.

• Ceiling plinth made of extruded polystyrene foam. It costs more than regular polystyrene foam baseboards. It has a more rigid structure, which allows it to crumble less, on the one hand, but, on the other hand, it is more difficult to cut. Cut this material better with a knife construction type or a hacksaw for wood.
• Plinth for ceiling made of polyurethane. This type of plinth is considered one of the most expensive at present; they have a large margin of safety, have elastic qualities and are resistant to moisture. The disadvantage of such skirting boards is that they are sensitive to temperature changes. It is better not to place them in places where the temperature changes frequently, otherwise deformation may occur.
• Wooden plinth. Convenient to use due to its practicality and resistance to external environment. These skirting boards are quite expensive. You can cut them with a saw or hacksaw, since wood is a heavy material.

Internal corner

One of the most simple ways To make an internal corner correctly is to use a miter box.

• The baseboard blank must be attached to the ceiling and the required length must be measured. It's better to leave some room to spare.
• The plinth must be installed in the miter box in such a way that it stands in it in the same way as it will later be mounted on the ceiling.
• The baseboard itself should be carefully leaned against the opposite wall of the device.
• You need to hold the plinth with your left hand for ease of cutting.
• To cut smoothly and accordingly correct angle, you need to choose an angle of 45 degrees. The working tool holder should be as close to the left hand as possible.

• You need to cut the bar without extra effort so as not to damage it.
• Then you need to carry out the same manipulations with the other bar.
• The bar should be as close to your right hand as possible.
• The bar itself should be in contact with the far wall of the device.
• The plinth needs to be trimmed without much pressure, after which the two parts need to be connected. If they do not fit perfectly together, then it is easy to finish the defects with the help of a knife.
• The corner is tried on the wall without glue and if everything looks good, then it is attached to the mortar.

If small errors remain, they can be easily repaired using a special solution.

Outer corner

Often in rooms, in addition to the internal corner, there is also an external corner, which is also subject to special treatment.

In order not to miss the size determination, you first need to prepare the inner corner, and only then start working on the outer one.

• The ceiling strip is pressed against the ceiling, and the dimensions of the cut are outlined.
• The bar is placed in the device and pressed against the nearest wall.
• The workpiece is cut without strong pressure, the main thing is to leave extra space.

• The other plank is processed in exactly the same way.
• In this case, the bar should be placed closer to the right hand.
• It must be in contact with the wall of the device, which is located further.
• The plinth is cut without much pressure, after which the two parts need to be connected. They need to fit together perfectly; if this is not the case, you can adjust the strips with a knife.
• If everything is fine when trying on without glue, you can attach it with glue or mortar,
• Small defects can be easily repaired with a special solution.

You can cut the baseboard using a miter box only if the angle is 90 degrees; if it is larger or smaller, then the cutting will have to be done manually.

Circumcision methods

There are other options for cutting skirting boards without using a miter box.

If it is not possible to make a miter box manually, you can use the method of marking it in place, and the corner plinth will look perfect.

• The first thing to do is to trim the workpieces correctly.
• First you need to attach one plank to the wall with the opposite side, then make a mark on the surface. To do this, outline the entire baseboard.

• Where the lines intersect will be the junction of the planks.
• In the future, you need to transfer the sign to the baseboard.
• You need to draw a line from the point to the end of the baseboard.
• Cutting takes place strictly along the intended lines. There is no need to apply much pressure during this procedure. After this, without using glue, it is worth comparing the planks so that they fit perfectly together.

How to make a miter box with your own hands?

To make a miter box yourself, you will need two boards. The blanks must be connected to each other in the shape of the letter P. In the future, markings are made on it, along which slots will eventually be made into which the baseboards will be inserted for cutting. The markings themselves are made at the angle at which the plinth will be cut. It is important to understand that the slots themselves should be small, because the main thing you need from a miter box is to secure the board.

Another way to make a miter box is to combine a miter box and a miter box template. In order to cut the plinth conveniently, you need to make a workpiece that is easy to use and does not require work by weight. Can be made from two unnecessary boards corner. Take a sheet of paper and draw a 45 degree angle on it. The plinth must be applied to the corner, applying it with the side that is to be sawn. The markings made on paper must be moved to the cutting site, and the piece needed to be sawed off along it.

How to trim using a template?

If it is not possible to make a full-fledged miter box, then you can use a template made on paper.

To do this, you need to draw and then cut small holes on cardboard or thick paper. First, the angles at which the plinth should be cut are drawn on paper. After this, the dots are connected. Then holes are made in place of the points. Paper with slots is applied to the baseboard and the markings are transferred to it. The baseboard needs to be cut according to the markings. In the event that it was not possible to cut the perfect plinth, it is easy to adjust it with a knife.

There may be a situation when you need to make repairs very quickly, but, unfortunately, there is not much time. In such a situation, you can use the method of orientation on the ground, but it must also be competent so that the junction is perfect.

Take a protractor and measure the angles in the room. A good situation if it turns out that the angle is 90 degrees or 45. Unfortunately, this does not always happen. If the angle is correct, then a miter box is used. If not, then the markings are in place. When marking in place, it often happens that even after processing with a knife, the corner does not fit perfectly.

In such a situation, you need to cut off a piece from the first plinth that can fill the gap that has formed; you need to cut it so that the angle is ideal. This strip is inserted into the gap and carefully closes it. And this method will also help to round the corner of the baseboard, which is often required during repairs.

Installation of skirting boards

The trimming of the plinth is finished, and the time for installation has finally arrived. This process is no less important than simply trimming the baseboards. In order to glue the baseboard to the ceiling, you should use glue or sealant.

For skirting boards that are made of polyester and similar materials, a special glue is quite suitable. For wooden and semi-synthetic materials it is better to use a sealant.

Having passed the moment when the planks are put in place, their final adjustment begins. It is worth remembering that before gluing the skirting boards, you should first try them on at the junction of the ceiling and the walls.

Last but not least important stage, cosmetic work. Using a special putty, cracks, minor damage and unevenness are sealed. Thanks to putty, you can level and finally adjust the angle.

It is better to use acrylic putty rather than plaster. Acrylic putty, unlike gypsum putty, easily withstands moisture. If you use gypsum, then in the bathroom at some point you will notice that its pieces will begin to crumble directly onto the floor. To apply putty, you first need to sand everything, but such manipulations can damage the baseboard.

Another notable difference is that gypsum putty you need to dilute it yourself, acrylic can be bought at finished form. Some may say that diluting will not be a problem, but this is not entirely true, since in order for the puttying result to be of high quality, the putty must be made in the correct proportions. Otherwise it will start to crumble. Acrylic putty is a little more expensive, but has a number of advantages, so the price is quite justified. Disadvantage acrylic putty is that in the situation. when the layer should be more than 10 mm, it cannot be used, but in the situation with skirting boards there should not be such problems.

Once the question of which putty is best to use has been decided, you can get to work. The putty must be applied over the entire baseboard and adjacent walls in a thin, even layer. After the first layer has dried, a second one is usually required to consolidate the result. Apply carefully so as not to stain the walls and ceiling.

Installing a ceiling plinth only at first glance seems like a very simple task. In fact, you may encounter small and not so small problems that can not only exhaust you, but also completely discourage you from doing repairs. One of these problems is joining the ceiling plinth in the corners.

Quite a few copies were broken by ordinary apartment residents over the question of how to make the corner of the ceiling plinth, because it cannot simply be cut at an angle of 45°. What to do in this case? Let's turn to professionals for advice.

How to make a corner of a ceiling plinth, how to properly join and cut the plinth

Yes, the main and most insidious nuance in the technology of installing ceiling plinths is how to properly cut the plinth and join it at the internal and external corners. The fact is that, unlike ordinary skirting boards, ceiling molding It is attached to the base at an angle of 38-45°, which makes it difficult to make a classic 45° cut at the joints. WITH inside the cut edges do not meet, leaving gaps.

But these are all complex professional lyrics. How to make a corner of a ceiling plinth at home? The easiest way to work is with foam accessories. First of all, measure the angle between the walls. If it's 90° or so, cut the edges at a 45° angle. Do the same with the second cut. For uneven joints between walls and ceiling, the corner radius is divided by two. Do not confuse the parts with each other: the baguette that will be pasted on the left must have a cut with right side, and the right fillet is with the left.

To create an internal corner of the plinth on the ceiling, its lower part should protrude above the upper; for the external corner, the opposite is true. Thanks to their soft and pliable texture, it is not necessary to adjust polystyrene foam fillets to each other, but you will have to tinker with plastic or wooden ones. After making the side cuts, try the planks on the ceiling and, if necessary, cut them in accordance with the direction in which the accessory joins the surfaces.

After rough joining the ceiling skirting boards, screw or glue the fillets to the ceiling and wall, and then seal the seams.

How to cut corners of ceiling plinths, tools for trimming and cutting corners

To cut the corner of the ceiling plinth, you will need certain tools. If you want to make joints as well as a seasoned repairman, then an electric miter saw or miter box will be useful to you. With the help of these devices it is possible to achieve high precision cut. There is no need to make any effort. You just need to set the necessary parameters and lower the sharp saw blade onto a plastic or wooden surface.

You can cut the ceiling plinth more economical materials such as a hacksaw or hand miter box. A simple saw is very cheap, and it is extremely easy to operate. The only drawback of this device is its roughness. There is always a risk of spoiling the material. If you bought plastic or wood Bad quality, then during operation the product may begin to crumble or delaminate into fibers.

A jigsaw will help you make a corner on the ceiling plinth without burrs. The advantage of this tool, in addition to high accuracy and efficiency, is also ease of operation. The jigsaw can be set to any direction of movement and make the highest quality cuts.

But these are all products that help solve the problem of how to join a ceiling plinth made of wood or PVC. To work with polystyrene foam, it makes no sense to use such a complex technique. A regular one will do here. construction knife. The main thing is that it has a well-sharpened blade, then you will be able to make a high-quality cut without tearing or delamination of the material.

Still haven't decided how to cut the ceiling plinth? No problem. In stores you can find fillets already prepared for joining in the corners. In this case, the opposite principle applies. When working with such a plinth, you need to make not oblique, but only straight cuts to connect the parts frontally. True, the cost of such accessories is higher compared to classic ones.

In order to start cutting the corners of the plinth, you need to acquire a tool such as a miter box. This device adjusts the desired cutting angle assembly knife or a spatula. Its dimensions depend on the complexity of the work being done. For installation plastic construction It is enough to use miter boxes with low inclinations of up to 90 degrees. The most difficult point here is, perhaps, joining all the elements so that there are no gaps between them. First you need to make a sketch. The plinth is placed directly on the wall. If you don’t have a miter box on hand, you can get by with a regular stencil. The photo shows the process of cutting a small piece of foam with a knife.

How to make a corner on a ceiling plinth

In order to make a corner on the ceiling plinth, you need to get two important elements. This is the material you will use to glue the ceiling, as well as yardstick, with which you can measure angles on the ceiling. If the wall is smooth, then, as a rule, no special problems arise with measurements, but if there are gaps on it, then you cannot do without improvised means. It is better to pre-treat the corners with sealant; sometimes painting may be required. It is important to remember that you first need to decide on the angle of the product, and then carry out the following operations, such as cutting ceiling corner. In the diagram you can see a hint on how to make corners correctly.

Ceiling baguettes

Ceiling baguettes are special decorative strips for the ceiling, which can be decorated in various elements. Such a product can give the surface a beautiful aesthetic appearance. Most often, the baguette acts as a cornice and is used in theaters and other buildings of cultural education. However, now you can buy varieties of it in stores for home use. Most often the product acts as additional element. Its design can be different, both the inner corner of the plinth and the outer corner of the plinth. Baguettes are recommended to be installed by experienced repairmen.
The figure shows one of the types of ceiling baguettes.

How to cut ceiling skirting boards in corners

In order to cut ceiling skirting boards in corners, you need to have several important building materials with you and follow certain important rules:

1. Use a pencil to measure the required length of the ceiling in which you are going to lay the plinth.
2. Using a miter box, you need to measure the length to which you will lay the corner of the plinth and cut the corner.
3. draw up a rough layout with length measurements and cut directly with a mounting knife.

Miter boxes can be purchased at any hardware store your city.
In the figure, mark the area whose corner needs to be trimmed.
Watch the video for more details:

Ceiling fillets

Ceiling fillets are now gaining wide popularity due to their ease of installation. To begin installation, you need to measure the perimeter of the room using a regular ruler. We divide the area by approximately 2, depending on the area of ​​the room itself. You need to decide how many fillet strips you need to take. You can glue them in two ways: using glue or putty. In the first option you will need a flat surface of the wallpaper, for the second we cut the corners PVC skirting boards with a stationery knife, and then strengthen the products with putty.

How to cut a ceiling plinth

In order to cut the ceiling plinth, you need to use a miter box. If you resort to professional repairs, then you can buy the simplest option with a narrow range of corner radii, approximately from 45 to 90 degrees. In order not to be mistaken about how to cut the plinth, draw a layout. This can help, for example, when installing a plastic product. It is cut off with the very edge of the miter box; if there are uneven edges, they are sawed off with a mounting knife. For plastic skirting boards, it is advisable to measure out several pieces of stucco molding, and then start separating them. You can use a regular saw to cut the ceiling plinth.

What are corners for ceiling plinths?

Corners for ceiling plinths, or, as they are also called, baguettes, are special pieces of plastic that have a decorative finish. In everyday life you can also come across such a name as ceiling cornices. They were originally used for decoration in buildings of cultural importance, but over time their use expanded to simple finishes at home. For corners, it is also necessary to first measure the length of the ceiling. Corners are most often made of polystyrene and have a dense texture and structure. In order to install such baguettes, concentration and attentiveness are required. Installation is not much different from conventional ceiling finishing.

There are corners for skirting boards various forms. Their main feature is decorativeness and protection of the outer corner.

How to join a ceiling plinth

We will give you some tips on how to properly join ceiling plinths. And it doesn’t matter whether you have a narrow or wide ceiling plinth. In order to start joining each piece, you need to place one piece of foam baseboard on the diameter of the wall and draw a line with a pencil to the other corner. This way you can measure the joint between the ceiling plinth and its gusset. Next, you need to place the fillet directly on the corner (not on the mark!), and use a regular stationery knife to cut it. For a successful connection, use sandpaper blocks. The corners are assembled directly into monolithic structure and one color.

What is a wooden ceiling plinth

Wooden ceiling plinth - variety decorative finishing for the ceiling, which allows you to hide visible unevenness of the wall and add attractiveness to your room. In addition to standard plastic products, there are also wooden ones. You can get them at the warehouses of logging factories, or at a regular hardware store. You should only choose one that will match the decoration of your home. Be sure to purchase nails or screws to hold wooden cornice ceiling. Installing these elements takes some time, but the installation process itself is not as complicated as it seems.

You need to carefully file down the pieces, cut out the corners, and process the areas of future joints. You will need various tools and accessories to cut wood. The joining technique is practically no different from other types of similar products. The main thing is to carefully read how to calculate and how to adjust all the joints. Then the connection will proceed without problems.

How to join skirting boards

In order to begin the process of joining skirting boards, you need to prepare several tools:

1. pencil for measurements;
2. docking stationery knife.

First, measure the length and perimeter of the ceiling and mark it with a pencil. If your surface is flat, you can get a regular miter box. The device is used when laying skirting boards under small angles, approximately 90-120 degrees. One strip of the product is placed under the miter box and cuts are made with the help of a knife in order to form grooves for the arrangement. A docking utility knife is used if the corners of the ceiling are not even.

What is a foam baseboard?

Polystyrene has long established itself as a good construction material, due to its simplicity in installation conditions. Found for ceilings wide application namely the baseboard is made of polystyrene foam. Such products are now readily available and can be bought at absolutely any construction market. Polystyrene foam has good decorative properties. This type of plinth is usually supplied in pieces. To secure it, several objects are used, such as a miter box, a stationery knife. In order to measure the length, you can get by with an ordinary well-sharpened pencil

How to cut a corner for a ceiling plinth

How to cut a corner? In order to begin installing ceiling plinths, you first need to know how to cut the corner of a ceiling plinth. Angles are measured using protractors and a marking pencil, with which we can calculate which side of the corner we need to apply the piece on. If we have a flat surface, we do this with a miter box at small angles, and then, using a stationery knife, we cut out the designated corners. If this plastic skirting board, you need to draw an approximate diagram in order not to make mistakes in the connections of the elements. Circumcision must be done carefully

How to cut a baseboard

In order to know how to cut the baseboard during installation, you need to have a miter box with you (for smooth surfaces) or a stationery knife, which is used for uneven corners. If you have plastic product, it is best to use a special hacksaw for metal, then trimming will be much easier. It is necessary to trim the baseboards carefully, without pressing hard on the knife or saw, so as not to cut your hand instead of the corner of the baseboard. The miter box is used only for flat surfaces. The product is most often cut at small angles, at a distance of up to about 90 degrees. The stationery knife protrudes universal solution. When cutting, it is advisable to avoid places with cracks.

What is a miter box for ceiling plinth

A miter box for ceiling plinth is essential tool for processing plinths in the ceiling. It is distinguished by the presence of cutting tips on both sides at different angles from 45 to 90 degrees, which are located, as a rule, on the left and right sides. Using these tips, the plinth is clamped on both sides and sawed off cutting tool. In order to attach the parts of the plinth, you need to use a pencil to draw the necessary corners for joining. The marked product is inserted into the miter box so that it stands stably on its surface. The plinth is held with one hand, and with the other, from another angle, you need to cut the material.

How to glue ceiling plinth

In order to know how to glue ceiling plinths, you need to follow several rules:

1. always start from the corners of the room, they are the easiest, and then you can proceed to the rest of the room (you need to glue the corners so that no gaps form);
2. For plastic plinths, finishing putty is used for stucco moldings.

Places for fastening are moistened with soil or ordinary water. After the putty has dried, it is recommended to seal the cracks on the surface. To seal them, sealants of various contents are used, but it is best to take the substance on acrylic base. For small room One package is enough. Installation with sealant is similar to putty.

And the 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.

At a hardware store you can purchase a factory-made corner element into which the prepared edges of the plinth can be 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 it is not always possible to use such a convenient method, since 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 dimensions 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 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 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 thing to do, in order to keep the dimensions more accurately, is to first start marking the inner corner, and only after that move on to the outer one.

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 is held with the 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 quite 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 towards perpendicular to the wall, apply one bar. 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.

The method of processing a plinth blank using a homemade tool is 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 the outer 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 customize a product from

– this is the shortest and seemingly simplest stage of repair. But probably many of you had to spend at least an hour trying to cut these 45 degrees. The only exceptions are the lucky ones with a technical mindset and those who were friends with geometry at school.

Today we will tell you how to cut the corner of a ceiling plinth and a floor plinth without resorting to complex calculations. You will see that this is not a difficult job at all and can be completed in a short time.

How to properly cut a ceiling plinth at an angle of 45°

Corner elements for ceiling plinths can be easily trimmed using a miter box or by hand. In the first case, you will need a miter box and a hacksaw, and in the second, a pencil and a hacksaw/cardboard knife. The hacksaw blade should be well sharpened so that you don’t have to think about how to cover up chips and roughness on the cut.

Cutting a corner using a miter box

We take a polyurethane ceiling plinth designed for the left or right side of the corner. We lean it against the future installation location so that the end of the segment opposite from the corner is against the edge of the already glued molding. In the place where the bottom edge of the ceiling plinth touches the top of the wall corner, make a dot with a pencil or stick a piece of insulating tape. We repeat these steps with the second segment.

How to cut an external corner of a ceiling plinth:

• We place the left blank in the miter box from left to right, pressing it to the edge closest to us. The corner vertex mark should coincide with the leftmost slot in the same edge
• We place the right blank from right to left, pressing it to the near edge. The mark for the top of the corner is to the far right slot.

How to saw down a ceiling plinth at an internal corner? Everything is very simple, the actions will be exactly the same, only the location of the corner vertex mark changes. Here it’s the other way around: for the left segment – ​​the far right slot, and for the right – the far left. Ready ceiling fillets you need to align them, and then look at the joints in the light - there should be no gaps. If they are very small, then editing is not necessary; you can get by with sealing with putty material after installation.

How to make a corner of a ceiling plinth: positioning the workpiece in a miter box

Important: sometimes the angles deviate too much from the standard 45 degrees, and a simple miter box for the ceiling plinth becomes useless - you can cut off the excess. The solution would be to purchase rotary tool, but it is not cheap and this “one-time” purchase will be irrational. In this case, you can use the intersecting point method.

How to cut the corners of a ceiling plinth without a miter box

If you are wondering how to properly cut down a ceiling plinth without a miter box, then the following information will be useful to you. We take the right section of the ceiling plinth made of foam plastic, apply it to the installation site and draw a line on the ceiling along its upper edge. It should extend beyond the vertices of the corners by about 5 cm. We do the same with the left segment and put points at the intersections of the lines. We place the ceiling plinths in place one by one and transfer the resulting marks to them.

WITH top part We've sorted out the ceiling moldings, now let's move on to the bottom. Everything is simple here, the marks we need are the vertices of the corners. We mark their location with dots on the lower edges of the left and right ceiling plinth. Next, you need to connect the dots on the moldings - this will be the cutting line. This method will help you cope with even the crooked corners. Adjustment will most likely not be needed, and if it is, it will be minimal.

How to cut a ceiling plinth without a special tool: the photo shows marks for the intersecting point method

Important: The work described here requires marking of surfaces. Therefore, you first need to start cutting and fitting the ceiling plinth, and only then think about how to glue the wallpaper. Or, if you want to mount the plinth on top of the wallpaper, mark and trim before finishing, and gluing after it.

We trim the internal and external corners of the floor skirting boards

It is no more difficult to trim floor moldings evenly than it is to trim ceiling moldings. We only select the cutting tool according to the material that we will cut. The works themselves will also be similar, only for manual cutting Here is a slightly different marking method.

Cutting wood floor molding using a miter box

It is necessary to measure the distance from the edge of the baseboard already glued to the wall to the top of the corner of the wall. Now we take a new piece of molding and set aside a length equal to this distance on its lower edge. We put a dot with a pencil or stick a piece of electrical tape. We perform this procedure for both external and internal corners. In the miter box we place the plinth pieces from left to right for the left side of the corner and from right to left for the right. In this case, they should be pressed as in the figure - to the side of the miter box closest to you.

How to cut a corner of a ceiling plinth - placing the workpiece in a miter box:

• For the outer left one, we match the mark on the plinth with the leftmost slot. For the outer right - from the far right.
• For the inner left one, we match the mark on the plinth with the rightmost slot. For the inner right - from the extreme left.

Clarification: the slot refers to the one that is on the side that is closest to you.

Cutting the plinth at an angle: the red line marks the place of the cut

Floor plinth: internal and external corner “by hand”

Floor moldings, as a rule, are quite wide and thick, and therefore finding only two points here, as for ceiling moldings, is not enough. To trim an internal corner, first place a point at its top at a height equal to the width of the plinth - in the figure this is a green point. From it to the left and right we set aside a distance equal to the thickness of the plinth - points 1 and 2.

We apply the left segment to the wall, and from point 1 we draw a line along it, perpendicular to the wall and put a point on the edge. We repeat the action with the right segment, only draw from point 2. In the figure, the point is marked with the number three. We draw a line from it across the plinth to its opposite edge - we get point 4. Now we connect the green dot with points 3 and 4 - we get a line and an angle along which we can cut the molding.

How to cut a plinth: make the necessary marks in the corners

Important: It is easier to trim external corners than internal ones. We set points on the left and right segments: A – mark of the top of the corner of the wall; C – the point of intersection of the lines, which is obtained by alternately drawing the left and right sections of the plinth along the floor; B – from point C across the molding a line is drawn to its opposite edge.

By connecting these points with one line, we get a line along which the cut will be made.

Selecting a tool for forming an angle

Most economical option– buying a simple plastic miter box. It is a plastic block with eight working slots. This device is designed for only two operations: trimming at 45, 90 and 22.5 degrees. An angle of 90 degrees is useful, for example, if you need to embed a socket box into the middle of the molding.

Some devices come with eccentric locks included. They are preferable because it is easier to work with - the plinth is clamped in the desired position and does not move during the cutting process. Accordingly, if any errors occur, they will be minimal and adjusting the angle will not be difficult.

How to cut a plastic baseboard: a simple plastic miter box

If you are undergoing repairs in own home, then perhaps it makes sense to purchase a more serious tool - a rotary single-plane miter box. It is designed for cutting at angles of 15, 22.5, 30, 36, 45 and 90 degrees. The design of this miter box includes 2 clamps - for clamping horizontally and vertical planes, as well as a limiter that will allow you to trim the workpieces to the same length. The hacksaw will be built-in here. If it is not clear how to cut a ceiling plinth, the video review below will help you.

How to trim a baseboard in a corner: a rotary miter box

How to cut down a ceiling plinth: video contains detailed description miter box, and information on how to use this tool.

This will be useful to you at work

As you noticed, the text mentioned marking using electrical tape. This is the most convenient way to mark blanks, since the pencil is not always visible on the floor plinth, and it is sometimes difficult to trace its lines from the ceiling. The bright pieces of electrical tape are very clearly visible, and when they are no longer needed, they are removed literally with one movement of the hand. There are no traces of glue left after removing such marks.

Sometimes you have to trim moldings with very large drawing. How to connect corners to make them beautiful:

• From one long fillet we cut pieces according to the number of corners, each of which should contain an element of the pattern. On both sides of the pattern there should be 5 cm of the length of the plinth.
• We measure the resulting blanks and find their middle, cut along the center line.
• We make corner trims as usual, but taking into account the fact that the centers of the patterns on the workpieces should fall on the tops of the corners.

How to join the corners of a ceiling plinth if there is a large pattern on its surface