How to trim a ceiling molding. How to trim a baseboard without a joiner

How to glue a ceiling plinth, cut corners trim properly

You want to cut and glue the skirting boards to the ceiling properly, but you don’t know how to do it? At first glance it does not seem difficult, but if you look at it in more detail, it’s not so easy. The photo below, shows how to properly cut and paste the inner and outer corner of the ceiling plinths (tacks) of foam or polyurethane. The whole instruction is described step by step in a clear form with examples.

Ceiling skirting boards are usually made when it is necessary to close gaps between ceilings and finishing materials on the wall. For example, you decided to glue wallpaper, and the further along the wall, the larger and wider the gap between the ceiling and wallpaper. I know one person with whom such a situation occurred, he did not listen to experienced people and ended up with what he least wanted. And he had to run to the nearest store and buy the tacks.

Outside corners are less common than inside corners, and they are much easier to trim. We’ll do it all the other way around now than when we trimmed the inside ones.

Initially we need to note where our corner will begin, and to do this we put the ceiling plinth to the wall with a marking: now the intersection point of the ceiling plinths will be the upper point of their adjacency, we mark it with a simple pencil and we can begin to prepare the plinth: to prepare the left side, we place the plinth in the mortar so that the upper baguette was pressed to the wall, the bottom. to the bottom, and the long edge was on the right. Again we cut along the slit with a mark of 45 degrees. The right corner is prepared on the same principle, only the long edge of the leaf will be on the left.

In the case of rounded corners no devices will not help us and we will have to do everything “by eye”.

The easiest way to make such a corner is to cut the ceiling plinth into several parts about 5 cm each, trim all the parts on both sides and check the joint on the spot, adjust if necessary, and glue them one by one. Pieces that will join the main skirting at the beginning and end of the rounding, on one side leave flat. It is important not to mix up the fragments, so you can use a simple pencil to number them.

  • Do not worry that the joints in the ceiling plinth can leave gaps, because they are easy to putty and after drying and painting are invisible. The exceptions are wood ceiling skirting boards. even a putty in tone can be noticeable.
  • Try on the cuts still on the floor, as it is easier than on the stepladder. Do not glue on the skirting boards until you are sure that everything is trimmed correctly.
  • Do not get upset if something does not work, and the cuts have to be adjusted a few times, have patience and everything will work out.

As the saying goes, fear not, but do with one’s life! If it is well to think through each movement, there is nothing wrong with self-trimming baseboards, and beautifully decorated room will please the eye of the owner and his guests.

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Quality repair involves careful and accurate attention to detail.

Completing the work with the ceiling, you need to decorate it well. for this purpose, ceiling skirting boards are used. As a rule, the installation of slats does not cause much trouble, have to tinker with the corners. Consider in detail how to cut the ceiling plinth in the corners, talk about different ways, give useful recommendations

Ceiling skirting boards made of any material can be cut using one of the following methods. They are suitable for all except for plastic: such decorate, using ready-made corners.

What tools can be used to cut corners

Cutting the ceiling plinth (outer corner) with explanations will be a good help to the novice craftsman.

How to glue the ceiling plinth on different surfaces

Gluing ceiling plinth is quite simple, it all depends on the ceiling and wall material.

Stretch ceiling

To avoid the glue getting on the tension material, you should apply it to the part of the molding that is fixed to the wall, not to the ceiling.

The glue should buy the most reliable fixation, which dries quickly. But you need to work carefully with any composition, so as not to spoil the fabric. If the baguette is large or made of wood, it will have to be additionally secured with anchors or dowels.

Before you decorate the wall with a ceiling plinth, you need to check how securely the wallpaper is glued. In those places where they have come off, be sure to fix them with PVA glue or wallpaper glue, and then leave them to dry completely for 1-2 days. Do not stick the skirting boards on the peeled wallpaper, otherwise they will fall off with the wallpaper.

Ceiling plinths are set on the glue with a good fixation, and not to soil wallpaper with glue composition, beforehand make a mark for the whole width of the plank. And below the drawn line glued masking tape, which is then easily removed.

Gypsum plasterboard

Gluing ceiling plinth on gypsum board is very easy, because such material has an even surface. The only difficulties may arise at the joints, where the putty under the influence of glue can give runs. Such a problem can easily be solved by simply sanding the joints with sandpaper.

Plasterboard reduces space, but if you glue the skirting boards to the ceiling with a wide side, the room will visually seem larger.


Before gluing baseboards to the wall with this finish, it is important to check their evenness. If there are defects, they need to grind or seal with putty. You can also hide the irregularities with a special soft baseboard.

If the defects are significant, then the walls must necessarily be leveled, primed and cleaned.

Selecting tools for cutting ceiling skirting boards

To properly and accurately cut a ceiling plinth, you need to use the right tool for cutting. It is chosen depending on the material from which the baseboards are made:

    Styrofoam. Characterized by low strength and relatively inexpensive, and therefore foam models are becoming increasingly popular. Their strength does not particularly affect the performance characteristics, because usually the ceiling plinth is not exposed to mechanical loads. A normal office knife is suitable for cutting.

You can buy one at a hardware store or make one yourself using these instructions:

    Three 5015 cm boards are nailed with a long rib in the shape of a three-sided, rectangular box. Note the 90 degree angle between the side skirting boards and the cross board.
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To work with this homemade device was convenient and safe, the boards should be well sanded before binding.

Trimming ceiling plinths without a jigsaw

The walls in the room are not always flat, they may be between them is not at all 90 °. How to cut a ceiling plinth in such a case? You can use a simple marking on the ceiling.

  • Cut the skirting at a 90° angle, fit it to the ceiling, against the corner of the wall.
  • Run the trimmer line over the ceiling surface with a pencil over the trimmer strip. Repeat the process with the second skirting board.
  • At the point where the lines intersect, you need to cut the fillet. The trimmer line must extend right up to the part of the skirting board that is against the wall.

If you do not have a joiner, you can measure the corner by hand

When cutting the ceiling plinth be sure to note that the inner corner is measured directly from the corner, and the outer corner will protrude into the depth of the room. Therefore, it is better to start with the trimming of the inner, and then move on to the outer corner. Glue the skirting board after the two joints formed by the mating strips have coincided.

Trimming the baseboard

Trimming with the trimmer line

How to evenly trim the corner of the ceiling plinth with it?

A plank is a simple tool used by carpenters. It can be used to cut any piece at the right 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 angles also have a hole to make the 60-degree cuts.

For professional applications, a special mitre saw is available. Its rotary mechanism allows you to fix the cutting blade in relation to the workpiece at any given angle.

Inner corner

The prepared skirting board is laid on the ceiling, and the required length is marked off.

Then this very slat is inserted into the crossbar exactly as it will be located on the ceiling. It must be pressed against the far wall of the attachment. The skirting board 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 is as close to the hand as possible. Trying to avoid exerting pressure on the saw, carefully cut the workpiece.

Next, the skirting board must be cut away from the skirting board. It is also placed at the far side of the tool, held and pressed, this time, by the right hand.

Similar to the previous procedure, the position of the hacksaw. its handle is close to the hand at an angle of 45 degrees. The skirting board is then cut.

Then the finished trim strips are joined together to make sure they fit perfectly. It is believed 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 adjusted with a file.

External corner

The correct way to observe more accurately the dimensions, first start to mark the inside corner, and only then move on to the outer.

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

The strip is attached to the ceiling, the size of the marks are made. Holding the ceiling plinth with the left hand, the ceiling plinth is pressed to the nearest wall, and the handle of the hacksaw is close to the hand. The workpiece is cut off.

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The counter bar is pressed against the nearest wall, 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 off, and the corner is accurately joined together.

trim, ceiling, molding, baseboard, joiner

This machining of the edge of the parts with mash is good if the angle between the walls is even and straight (90°).

But if you don’t want to cut the ceiling perfectly, another method is worth using.

Marking on the ceiling

The ceiling marking method allows you to cut a corner exactly and straight. It has one disadvantage. it is quite inconvenient to hold the baseboard plank by weight during the procedure.

Otherwise, with this method you can mark the angle for cutting even more accurately than other methods.

When the skirting is applied to the proposed place of installation, all dimensional deviations and inaccuracies are visible and immediately taken into account.

Trimming the corner

First take a pair of blanks, then trim them at right angles. Pressing the end of the skirting board against a perpendicular wall, we attach one skirting board. Let us trimmer line be outlined on the ceiling along the skirting board contour. We remove the first plank, then in the same way, pointing at the end into the wall, attach the responsive plank. Mark the trimmer strip along the contour 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 marks the point of the future cut. From the found point to the other edge of the skirting board, we draw a trimmer line. Baseboards we cut on the previously made marks, accurately we assemble, we dispose in a place of their installation.

This method allows for trimming inner corners more accurately.

How to cut a ceiling plinth correctly. Important little things

Measurements needed to trim the plinth on the ceiling, should be done in a special way. To determine and mark the inside corner, the length must be measured from the corner itself. To mark an outside corner, be sure to take into account that the baseboard will protrude into the interior of the room at a distance equal to its width.

It is not desirable to fix the skirting boards until their exact position is verified and the mating skirting board is cut. Only when the two mating strips are perfectly flush in the corner can they be fitted and fastened. If work is carried out with polyurethane or wooden skirting boards, defects and flaws can be corrected with a file or file. To fit the skirting board, you need a sharp knife.

If even after finishing the skirting boards a small gap remains, do not get upset. it is not difficult to seal it with an ordinary putty. It is not so difficult to cut accurately and neatly a ceiling skirting board. But to acquire at least a small skill, first try to practice on small workpieces.

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