How to cut a ceiling plinth: work with or without a tool
Any repair requires attention to the smallest detail. On how well the finish is made, depends on the look of the room and its overall perception. To a greater extent, this applies to the ceilings, which in most cases are not perfect, so to hide all the imperfections (their and the walls), many owners use ceiling skirting boards, which give the rooms completeness. If the installation of baguettes in straight sections does not cause special difficulties, then the joints of the elements in the corners require maximum accuracy. Therefore, many owners who are planning, or have already begun repairs, are interested in how to cut the ceiling plinth, what tools can be used for this stage of the work.
The answer to the question of how to cut a ceiling plinth, depends on what material it is made of. Cutting is different, since baguettes have different density. Therefore, the first thing to consider is the most popular materials, and at the same time the peculiarities of their cutting.
Such products have the lowest price, because the material is very unstable to mechanical influences. Styrofoam is easily scratched, damaged by accidental impact. Advantages. minimum weight, which simplifies gluing, easy processing, the ability to paint in any color.
This foamed material consists of small granules, which are quite easily separated from each other. However, they are the main disadvantage of such baguettes. They require very sharp tools. Otherwise, the skirting board could crumble, so it would be unsuitable for installation. This is true for both angular and straight cuts.
This contender is more expensive, but it does not differ much from the first candidate, because it is a “relative” of foam plastic: it is made of expanded polystyrene. This material also consists of small granule bubbles, but they adhere to each other more tightly. But also polystyrene foam will not tolerate a not too sharp blade, it will also crumble. Therefore, the craftsman needs to prepare an equally sharp tool.
The main advantage of foam and polystyrene foam is their softness, which allows you to avoid gaps by pressing the blanks tightly to each other and to the corners.
Extruded polystyrene foam
EPS is made from the same raw materials as conventional polystyrene foam, but in this case uses a different, more sophisticated technology. Conventional EPS is made with steam, which is passed through the microgranules.
To obtain extruded polystyrene foam, the particles are mixed at high temperature and the same pressure, and then a foaming agent is added to the raw material. The grain size in this material is much smaller (maximum 0,2 mm), as a result it is less crumbly and more resistant. It does not require very sharp tools to cut it, but bluntness of the cutting edge is also not welcome.
Plastic skirting boards (PVC). another type of ceiling products. They are usually purchased for finishing bathrooms. If we consider the topic “How to cut a ceiling plinth”, in this case they are exceptions, because they use special, ready-made corners for their docking.
In general, these baguettes can be cut with a stationery knife, a metal hacksaw, or a sharp kitchen tool. Since PVC products do not restore their shape due to the lack of elasticity, it is not recommended to put a lot of pressure on them when cutting.
This is another representative of polymer products. It is distinguished by high density and absence of disadvantages of previous competitors. It is easy to cut, so the tool must be sharp, but there are no maximum requirements for its sharpening. Skirting boards of polyurethane do not crumble, do not deform, with the honor to bear almost any pressure.
This traditional material is cut with the usual carpentry tools: for example, a jigsaw, hand or electric. Work the cut with sandpaper or a file. Since such products are more expensive than other baseboards, care is required when working. A serious mistake can be made easily, but there is no way to fix it. The consequence of negligence will be the purchase of a new baguette.
The ideal tool for cutting wooden workpieces will be an electric trimmer saw. The biggest disadvantage of her. the high price, especially quality models. On the other hand, buyers have an opportunity to find an inexpensive tool that can do the job decently.
The tools used
First about how to cut a polymer or wooden ceiling plinth, how to do it correctly and quickly. In this case, two tools are needed for the job. a chisel and a cutting tool.
What to cut baseboards?
As for the latter, the choice depends on the baseboard material:
- Products made of foam (all polystyrene) assume the use of a sharp office knife;
- Polyurethane baseboards are usually cut with a metal hacksaw;
- Wood requires “active” participation of a jigsaw or saw.
The second potential tool for polyurethane is the same box knife. The reason: quite a low density of the material. Another alternative. a sharply sharpened kitchen knife. A special requirement for it is not too thick a blade.
A possible substitute for a wood jigsaw is a metal hacksaw. Optimally, a blade with the smallest teeth. Otherwise, the tool will get stuck in the material, and in such conditions it is extremely difficult to make a flawless cut.
Chisel and its self-made
Chisel. the second indispensable tool for working with baseboards.
What is it?
Not everyone may know what it is. This is a device that allows you to cut any workpiece at different angles (45-90°). It is a groove, consisting of the bottom and two sides, in which slots are made for tools. At the bottom of it lay the material, and in the slots are inserted a hacksaw (knife, etc. д.). After sawing the baguettes with its help you get almost perfect blanks.
Chisel. a necessity for trimming any skirting boards, since the joints of the elements require a 45° angle. Otherwise, the connection of the parts will not work: or there will be a gap between the adjacent skirting boards, or they simply will need to be trimmed again, since the junction of adjacent products will be impossible.
Yes, the remaining hole can be masked with some kind of compound. However, this option is still not the best. The filler may soon change color a little, and this discrepancy will become very noticeable. Even here, however, there is an exception.
How to make a jigsaw?
To make it yourself will need to find a board length of about a meter or more, or a sheet of plywood (chipboard). You still need to prepare:
- From the selected material, cut 3 parts with a width of 200 to 250 mm, their length. 300 mm (400, 500 mm). Using self-tapping screws, they are connected in a “U” shape.
- Using a protractor, on the upper parts of the sides make marks corresponding to an angle of 45° (if necessary, then 90°).
- Then a hacksaw is used to saw the holes through so that the grooves reach the bottom of the tool.
Finished holes are bored out with a rasp, so that a jigsaw or a hacksaw can freely enter into them.
How to cut a skirting board for the ceiling
To quickly cut the ceiling plinth without a plier, you need to consider what material it is made of. This will also allow you to choose the necessary tools for the work.
In the construction market most often found in the baseboards of these materials:
[Skirting boards (skirting boards, baguettes or mouldings) made from wood are very heavy. To cut a corner without problems, you need a fine toothed metal saw.[/alert]
Polyvinyl chloride has a small price range. But any break or dent will not go unnoticed. Also, plinths made of this material get dirty quickly. It can be cut with a hacksaw or a construction knife.
The version of the foam is cheap, but it is fragile. To cut this type of ceiling plinth in the corners, you should use a sharp knife or a metal hacksaw. And it is desirable not to press on the material.
The extruded version is much denser than polyurethane skirting boards, but it is more difficult to cut them, especially without a plane cutter. Tools for work will be needed similar.
Polyurethane skirting boards are considered the most expensive. It is durable, moisture-resistant and very flexible. For cutting, you can use a construction knife.
To understand how to cut a ceiling plinth in the corners without a plier, first you need to clarify how exactly it is done with it.
How to cut a skirting board using a wire cutter
Jigsaw. carpentry tool, which is a tray with slots. It allows you to cut the ceiling plinth at the required angle.
If we talk about a professional tool, it has a special swivel mechanism. This allows you to set the desired degree of angle. It is best to use a square when the angle between the walls is perfectly straight.
How to cut an inside corner
To trim the ceiling plinth in the inner corners with the help of a wire cutter, you need to follow a simple scheme:
[alert]Note! A skirting board corner is cut from the front side.[/alert]
How to trim a baseboard for an outside corner
It is worth noting that when trimming the tack at a perfectly right angle, between the two slats will get a strong gap. Therefore, you should use this pattern:
Trimming the baseboard
Trimming with a power mitre
How to evenly trim the corner of the ceiling plinth with it?
A plier is an uncomplicated tool used by carpenters. It can be used to trim any piece at the right angle.
This is usually a wooden, metal or plastic tray, which is made for cutting at an angle of 45 ° and 90 ° special vertical slots.
There are complicated designs, which in addition to the named corners also have a hole to make a 60-degree cut.
For professional work, there is a special chisel. Its swivel mechanism allows the cutting blade to be fixed in relation to the workpiece at any given angle.
The prepared skirting board is applied to the ceiling, the required length is put off.
Then this same plank is inserted into the mortiser exactly as it will be positioned on the ceiling. It must be pressed against the far wall of the fixture. Hold the skirting board in this position with your left hand.
The blade of the hacksaw should be in such a position that its angle is 45 degrees, and the handle would be as close to the hand. Trying not to exert pressure on the saw, we carefully cut the workpiece.
Next, the skirting board must be cut off the mating strip. It is also placed at the far wall of the tool, held and pressed, this time with the right hand.
Similar to the previous procedure the position of the hacksaw. its handle is brought nearer to your hand at an angle of 45 degrees. The plinth is cut.
Then the finished, already cut slats are docked together. the accuracy of fit is checked. It is considered that for better orientation, when making an inside corner, it is better to start cutting from the front part of the product. The places of cuts usually need to be further trimmed with a file.
The correct way to observe more accurately the dimensions, first start to mark the inside corner, and only then proceed to the outer.
Otherwise, it may happen that the entire length of the plank is insufficient.
The slat is attached to the ceiling, and marks are made according to the size. Holding with the left hand, the ceiling plinth is pressed to the closest wall, the handle of the hacksaw is close to the hand. The workpiece is cut off.
The response strip is pressed against the nearest wall, while holding it with the right hand. The blade of the hacksaw should be at an angle of 45 °, the handle of the tool is close to the hand of the master. A piece of the workpiece is cut, the corner is neatly docked.
This processing of the edge of the parts with the help of wort is good in cases where the angle between the walls is flat and straight (90 °).
If its indicators leave much to be desired, then it is worth to use another method.
Marking on the ceiling
The method with marking on the ceiling allows the corner to be cut precisely and evenly. It has one disadvantage. it is rather inconvenient to hold the skirting board by weight during the procedure.
Otherwise, with this method, you will be able to mark the angle for cutting even more accurately than other.
When the skirting board is attached to the proposed place of installation, all size deviations and inaccuracies are visible and immediately taken into account.
Trimming the angle
First you need to take a pair of blanks, then cut them at right angles. By pressing the end of the slat against a perpendicular wall, we put one slat. Let’s draw a trimmer line on the ceiling, following the contour of the skirting board. Remove the first strip, then apply the counter strip by pressing its end against the wall. Follow the outline of the trimmer line in the same way.
The point of intersection of two separate lines is the mark at which the workpiece is cut. Each slat is placed against the surface again, on both of them the point of the future cut is marked. From the point found to the other edge of the skirting board, draw a line for the trimmer. The skirting boards are trimmed according to the marks made earlier, neatly join them, place them in the place of installation.
This method allows you to process inside corners more accurately.
How to make a jigsaw template with your own hands
If you do not have a jigsaw, you do not need to buy a tool for one-time use. It is possible to make a template with the same functions by yourself.
To do this, the required angles of the cut are drawn on wood, paper or cardboard.
Then you need to draw a pair of parallel lines, find the center, and then use a protractor to measure the angles of any given size.
This method is particularly convenient because, using it, you can set aside an angle of any size, even larger than a straight angle.
The method of processing the baseboard workpiece with a homemade tool is almost no different from working with the original. The bar is pressed against one of the parallels, then the hacksaw is set at the desired angle, and cut off.
Remember that before you cut 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 a skirting board in the corners without a ruler
It seems easy to work with a ruler, but corners are not always 90 degrees. This method will help solve the problem of proper trimming of baseboards in the corners quickly and without too much hassle.
Procedure for correctly trimming a skirting board in the corners without a jig:
How to trim a baseboard in the corners without a ruler
It seems that to cope with a wire cutter is simple, but the angles are not always equal to 90 degrees. This method will help solve the problem of properly trimming baseboards in the corners quickly and without hassle.
The order of operations to properly cut the baseboard in the corners without a plough:
How to cut the tape in the corners without a chair
How to cut a ceiling plinth in the corners without a jigsaw the first time
How to Cut Ceiling Baseboard Corners. Photo 1
With the problem of cutting the outer and inner corners of the ceiling plinth, probably anyone who at least once made repairs on their own.
Skirting, it is also called a tack, used in the repair to hide the uneven boundary between the wall and ceiling, and give the interior completeness.
How to cut a ceiling plinth corner without a jigsaw ? About this and talk in our article.
How to cut a ceiling moulding in corners without a joiner? If you don’t have a jigsaw at home, it’s not a setback. Cut the outer and inner corner of course, and without a jigsaw.
Now in the field of a tape are available in various sizes, shapes and colors, with embossed patterns and in their absence. The material from which they are made is also different.
For the most part these are: polyurethane, polystyrene foam, polystyrene and polyvinyl chloride. However, in recent years, wooden ceiling skirting boards have become more popular in renovation work
Its neat appearance allows you to add to the design of the room elegance and austerity.
What is the best skirting board?
In advance of how to correctly cut the corners on the ceiling skirting must be correctly selected.
Tip: ceiling plinth will look harmonious if its width is chosen correctly. The higher the walls, the more extensive the baseboard is.
The most durable, moisture-resistant and flexible are polyurethane skirting boards, and cutting the corner of such a ceiling plinth is not easy.
But these positive qualities “overlap” one significant drawback. they do not hold sharp temperature fluctuations, which prevents their use in many rooms.
For example, in the family kitchen, where there is a gas as it is also called an electric stove, polymeric tacks will retain its original appearance of about a week. After that, with the not uncommon cooking, when the hot air will now rise to the ceiling, then fall, they will begin to deform, spoiling the whole “picture”.
Baseboards made of other materials also have their drawbacks.
For example, products made of PVC have a high electrostatic susceptibility in the event at one time of work on their surface appear dent, to remove them is unreal. At the slightest mechanical impact ceiling skirting boards made of polystyrene and polystyrene are broken.
How to trim a baguette ceiling plinth without a jig if your corners are not 90 °
Can not trim the baguette in the corner, you mess up a bunch of ceiling plinth! This is the easiest method for you.
With what and how to cut
Work with baseboards made of different materials involves the use of different tools for cutting. When working with ceiling plinths made of wood, it is more convenient to work with a wood saw. All others, including plastic, polystyrene foam and other polymers, are better cut with a metal blade. A smoother cut and fewer burrs. Saws are usually used with a compound mitre saw.
Corner corners that are properly shaped look attractive
When working with skirting boards of foam without special devices cut them with a good office knife. Its blade is thin and flat enough, the cut is smooth, not crumpled. If you saw with a polyurethane or polystyrene, don’t apply too much pressure: you could crush it.
In general, to get used to the tool and the material, take a piece and practice on it: cut, saw, trim. That’s less of a problem.
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When installing a ceiling plinth first of all you need to prepare the surface before pasting a plinth, it must be cleaned of small irregularities, after primed plinth places to create maximum adhesion between glue and the wall or ceiling. The primer is suitable for the same as that used for gluing wallpaper or ceiling tiles.
Before gluing it is recommended to take a small piece of a baguette and to practice cutting out the corners, so as not to spoil unnecessary.
So, you have prepared everything, and it’s time to start the process of cutting corners. For creating an inside corner, the first of the above methods will work great for you. If you have even walls, you can cut off equal pieces from the baguettes, and from them cut corner joints, then just glued them accurately at the stop long slats. These manipulations will facilitate your work when trimming and will eliminate the possibility of bending or breaking of the baguette.
If the walls have flaws, and you’re worried that the place of gluing then will be visible, you can adjust the corner on the floor, and then glue.
When cutting an outer corner, remember that the inner corner rests against the wall, and on the contrary, the outer corner protrudes over it. Similar to the method described in the first method, you can try. The only difference will be that the output of the skirting board outside the wall need the width of your baguette trim. After trimming strips at the correct angle and joining them, you may need to adjust the angle manually, since the corners of our homes are often not close to 90 degrees. The other methods we have described will allow you to make an outside corner more easily. Just like when cutting an inside corner, it’s better to practice first. it will make your job easier and reduce the skirting waste.
Before you glue the baseboards, you need to make sure the connections fit perfectly. Modern mounting adhesives set very quickly, so you have almost no time to fix a mistake, and tearing off the baseboard. and the possibility of breaking it, and the need to re-scratch the surface of the baseboard and the wall of the glue. Excess glue is better to remove immediately with a small clean rag or sponge, so as not to leave traces.
With proper patience and proper fitting you can achieve “seamless” connection, and your baguette will look solid, which will simplify its further painting and eliminate the need to use finishing putty for smoothing the connecting seams.
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How to cut a corner with a chair
The chisel is a joinery tool that can be used to cut any material at 45 and 90 degrees. The mortar can be made of wood, plastic or iron. Even the simplest fixture has openings for a hacksaw, the more expensive models even have a swivel mechanism.
The working principle of the mortiser is very simple. In the groove lay the plank, press it and through the side holes are cut. As a result a cut at the right angle is obtained.
- To measure.
- Place the skirting board face up into the groove in the mortise.
- Press with your hand on the plank, but not too much (if the skirting board is made of foam plastic, it is easy to break it).
- Insert a hacksaw into the hole of the wood chisel at a 45-degree angle and make the cut
- In a mirror image in a similar way to cut the second piece. The inner corner is formed.
Tip! You can cut the skirting board with a metal hacksaw, but if the baguette is narrow, it is better to use a construction knife, with it the cut is more even.
Cut the outer corner just as easy. Step by step instructions:
- On the underside of the skirting board mark the desired length, but its edges should protrude slightly.
- Put the skirting board in the crosscut at a 45 degree angle and make the cut through the holes.
- Mirror cut the second slat.
- Prepared elements we attach to the wall. If everything is straight, we glue it, and if there are flaws, we simply remove them with a sharp knife.
If you have to work with a wire cutter for the first time, it is better to pre-practice on extra pieces.
How to cut a corner without a jigsaw
It is possible to cut the corner and glue the skirting board without a joiner. Let’s tell you how not to spoil the appearance of the baguette.
- On any solid surface draw a fishing line for the trimmer.
- From the line we indent 10 cm and draw another line for the trimmer.
- At right angles draw a line through the parallels.
- From each line we make a 5 cm mark on each line and connect the opposite points with lines.
- Lines with parallels as a result form an angle of 45 degrees.
Thus we obtain a homemade plinth, and now we need to determine the slope and make the cut of the skirting board.
- Hold the skirting boards against the ceiling, and determine the direction of cut for accurate and correct installation.
- For the inside corner, the top edge must be shorter than the bottom.
- For the outer corner, the upper edge must be longer than the lower one.
- Baguettes should be cut in a mirror image.
- On the skirting board, which will be located on the right, it is necessary to make a cut on the left side. On the slat that will be on the left. the cut on the right side.
- We lay the strips on a self-made plank along parallel lines, and taking into account the direction of the angle, we make the cut according to the marks.
To make the cut without roughness and splinters, you need to carefully advance the knife in one direction.
Such work should begin on the inside corner. This will help better preserve the proportions and dimensions of the baguette. If you start from the outside, an error will result in a shortage of slats along its entire length.
- Halter should be attached to the ceiling and make a marking according to the required dimensions.
- Using your left hand, hold the baseboard and press it against the wall that is closest. At the same time the hacksaw (its handle) should be as close to the hand as possible.
- Cut the workpiece.
- The right hand holds and presses the counter bar to the wall. The tool blade should be in position at a 45 degree angle.
- Cut off the excess of the baguette.
- The corner is docked.
Such a way of trimming the tack is suitable if the corners of the room are perfectly flat and straight. Otherwise the result will be disappointing, and it is better to resort to another option of trimming.
Trimming the tack without a joiner
If you do not have a chair, or the corners of the room wish to remain the best, then the following option will fit perfectly. To make the trimming of the ceiling plinth should be step by step.
By making an outline on the ceiling, you’re guaranteed to cut off the excess correctly and to the exact size. That’s just have to work hard, because keep the fillet on the weight and do marking at the same time, quite uncomfortable. But this method is the most accurate and practical.
Applying the baguette to the ceiling in the right place, you will immediately notice all the features. This will allow you to mark them immediately and take them into account when trimming and installing.
Creating an outline on the ceiling
Materials for work
A set of tools is uncomplicated and definitely can be found in any garage:
- tape measure;
- A pencil (construction or stationery);
- knife (construction knife);
- hand saw (hacksaw);
- skirting board.
As a rule, in the manufacture of the ceiling plinth use a soft material. It is more convenient to cut it with a construction knife, so as not to damage the surface. A hacksaw is needed only if the base material of baseboards is hard, and a knife will not cope with it.
The ruler will help to draw a straight line for the cut, and the tape measure. to measure the necessary segments. A pencil will help to fix the points for cutting.
If any tool is missing in the arsenal, it is easy to buy at any hardware store for a low price.
How to choose a skirting board properly
When buying a ceiling plinth it is important to proceed not only from aesthetic but also from practical considerations. The most common on today’s market is a polyurethane fillet.
The material guarantees high resistance to moisture, durability and elasticity of the product. Such skirting board is suitable for bedrooms and rooms. But in rooms where there are frequent temperature jumps (kitchen, bathroom), it is better not to use it. Variations from heat to cold lead to significant deformations of the wainscoting, spoiling the entire interior.
When choosing a skirting board made of polystyrene or polystyrene foam, it is important to remember that the product is very brittle and can be damaged by mechanical influences. Polyvinylchloride versions have high electrostaticity, so even minor dents during installation will be impossible to fix and remove.
Each type of baseboard is suited to individual conditions of use and method of installation. Therefore, when buying, it is important to be guided by several factors:
Trimming the baseboard
Trimming with a wire cutter
How to evenly trim the corner of the ceiling plinth with it?
A plank is an uncomplicated tool used by carpenters. It can be used to cut any workpiece at the desired angle.
It is usually a wooden, metal or plastic tray, which are made to cut at an angle of 45 ° and 90 ° special vertical slots.
There are complicated designs, which in addition to the named corners also have a hole to make a 60-degree cut.
For professional work, a special chair is available. Its swivel mechanism allows you to fix the cutting blade in relation to the workpiece at any given angle.
The prepared skirting board is attached to the ceiling, the required length is postponed.
Then this same plank is inserted into the mortiser exactly as it will be positioned on the ceiling. It must be pressed against the far wall of the device. The baseboard is held in this position with the left hand.
The blade of the hacksaw should be in such a position that its angle is 45 degrees, and the handle would be as close to the hand. Trying to avoid exerting pressure on the saw, we carefully cut the workpiece.
Next, it is necessary to cut the counter strip from the skirting board. It is also placed at the far wall of the instrument, held and pressed down, this time with the right hand.
The same position as in the previous procedure. the hacksaw handle is close to the hand at an angle of 45 degrees. The skirting board is cut.
Then the finished, already cut strips are docked. to check the accuracy of fit. It is believed that for better orientation, in the manufacture of the inside corner, cutting is better to begin with the front of the product. The places of cuts usually need to be further adjusted with a file.
It is correct to start with the inner corner first, and only then proceed to the outer corner, in order to maintain more accurate dimensions.
Otherwise, it may happen that along the entire length of the strip is not enough.
The strip is attached to the ceiling, according to the size made marks. Holding the ceiling plinth with the left hand, the ceiling plinth is pressed to the closest wall, with the handle of the hacksaw close to the hand. The workpiece is cut off.
The answer bar is pressed against the nearest wall, and it is held by the right hand. The blade of the hacksaw should be at an angle of 45 °, the handle of the tool is close to the hand of the master. A piece of the workpiece is cut, the corner is carefully docked.
This processing of the edge of the parts with mash is good if the angle between the walls is flat and straight (90 °).
If its performance leaves much to be desired, it is worth using another method.
Marking on the ceiling
The method with a marking on the ceiling allows you to cut the corner accurately and evenly. It has one drawback. it is rather inconvenient to hold the skirting board by weight during the procedure.
In all other cases, using this method, you will be able to mark the angle for cutting even more accurately than other.
When the skirting board is applied to the intended place of installation, all dimensional deviations and inaccuracies are immediately visible and taken into account.
Cutting a corner
First you need to take a pair of blanks, then cut them at right angles. By setting the end of the slat to a perpendicular wall, we put one slat. We draw the trimmer line on the ceiling, following the contour of the skirting board. We remove the first skirting board and then, in the same way, pressing its end into the wall, attach the counter skirting board. Exactly the same way we mark along the contour of the line for the trimmer.
The intersection point of the two separate lines is the mark at which the workpiece is cut. Each plank is placed against the surface again, on both marks the point of the future cut. From the found point to the other edge of the skirting board, draw a trimmer line. Baseboards cut to the previously made marks, neatly connect, place in their place of installation.
This method allows you to more accurately process inside corners.
How to cut a ceiling plinth correctly. Important details
Measurements necessary for trimming the skirting boards on the ceiling, should be made in a special way. For definition and marking of an internal corner, the length should be measured from the corner. To mark the outer corner, be sure to take into account that the plinth will protrude into the interior of the room at a distance that equals its width.
It is not desirable to fix the skirting boards before their exact position is tested and the counter skirting is cut. Only after a perfect convergence in the corner of the two mating strips can you begin their installation and fastening. If you work with polyurethane or wooden skirting boards, you can fix the defects and flaws with a file or file. To fit the product of foam plastic, you should arm yourself with a sharp knife.
If after finishing the skirting boards even a small gap remains, do not rush to upset. it is not difficult to seal it with an ordinary putty. It is not that difficult to cut a ceiling plinth accurately and neatly. But to acquire at least a small skill, first try to practice on small workpieces.