How to saw the tiles at 45 without chipping

A guide for bending a metal angle

Sometimes it is necessary to trim this or that part or product at a certain angle. As a rule, you need to trim baguettes, moldings, platbands, baseboards, and other similar interior elements at an angle of 45 degrees. Anyone can cope with this task. The main thing is not to rush, not to be nervous, and everything will turn out.

Buy ready-made corner elements

Of course, the easiest thing is not to suffer with the trimming of this or that part, and buy ready-made, which does not need to be processed and trimmed. Such details and elements are sold today everywhere in large supermarkets or smaller stores.

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

With what and how to file a tile at an angle of 45 degrees

Electric tile cutter

An electric tile cutter is an expensive but necessary tool for a lot of tile cutting. Carries out straight filing and cupping at a selected angle. You can set the value from 0 to 45. In practice, most often the tiles are cut at a 45 degree angle. High-quality models are equipped with a cooling system. Thanks to it, the tile and the tool are not in danger of overheating and the dustiness of the workplace is reduced. The quality of cutting is not affected by the water supply.

Working on a water-cooled tile cutter

The machine for cutting tiles at 45 degrees with a cooling system can work at high revolutions.

Consider purchasing an electric tool if you want to trim a hard and expensive material, such as porcelain tile. The following models are the most popular:

  • Zubr EP-200-1000S (Russia). stationary floor tile cutter. The machine is expensive (21-22 thousand), is designed for professionals and allows you to cut tiles of any thickness.
  • Zubr EP-180-600H (Russia). a compact desktop model. It is used to cut tiles straight and at an angle from 0 to 45 degrees. Characterized by a low noise level and absence of dust: water is supplied to the place of cutting. Reasonable price (4000 ) can be attractive for beginners.
  • Models Feida TC 200 and Feida TC 250 (China). help to cut high quality accurate bevel at an angle from 0 to 45 degrees.
  • Tile cutting machine Einhell TH-TC 618 (China). allows you to cut and trim various ceramics, provided that the trimming depth will not exceed 22 mm.

If in the process of filing (nailing) hit the glaze on the tile, it will turn out with jagged edges. In this case, you will have to carefully grind the chips with sandpaper.

If you cut the tile a little less than 45 degrees, it will be easier to form a right angle.

You’ll need this tool if you’re laying tile and have to make a lot of cuts in the material.

angle grinder

To work in one apartment to buy an electric tile cutter is not rational. You can qualitatively cut ceramic tiles at 45 degrees with an angle grinder (angle grinder). It is easier and faster to file the corner with the use of a diamond disc. The edge is likely to be uneven. Such defects are ground with turtles. If, when laying tiles, you need to file the material only within one apartment, you can instead use a cheaper option: replaceable sanding discs on velcro.

Important! You should choose a high-powered angle grinder with a speed regulator (the minimum value is set during trimming).

Reasonable in price and technical characteristics are models:

Quality diamond discs:

  • BIZON 0512003, thickness 1.8 mm;
  • Soyuz 9020-04-150x22K, h= 2 mm;
  • Expert (180×25; 4/22).4/22.2 mm) PRACTICE 034-793 (for porcelain stoneware);
  • Professional KEOS DBP01.200 on porcelain stoneware (180×25.4/22.2).

The quality of the cut depends on the type of attachment on the angle grinder for the final stage of cutting at 45 degrees. A good result provides a diamond wheel (flexible, grinding) AGSHK 100 0 “Turtle.

Using sandpaper

This material is most often used to hide the inaccuracies of preliminary work, when the glaze is damaged or there are chips. Besides there is another variant of using sandpaper.

Instead of professional tools and the need to save the layer of glaze, on the front part is made an incision with the help of glass cutters. After that, on the back side with an angle grinder is made notch in the form of a letter “V”, which must be made across the entire width of the tile. It remains only to break the element, and the remaining work is completed with sandpaper.

Some craftsmen try to reduce the cost of work, using only regular sandpaper. In this case, the filing of the corners of the tiles under 45 degrees is done by yourself, watching the condition of the clay and the glaze itself. If you overdo it, the damage will affect the tiles, therefore, you will have to spend money to buy a similar material. The coarseness of the sandpaper itself will also play a significant role, which should vary.

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For precise alignment, two versions of the material to create a 45-degree bevel will do:

The first numbers will be used as a rough adjustment of the tiles, and the second to create a really flat and high-quality surface as possible. Only after that you can put a tile on the corner, without fear, criticism from the. If you follow the requirements and recommendations from the experts, when making cuts at 45 degrees, there will be no questions about how to formalize the corners of the tiles. In the end, you’ll even be able to tell that the resulting tile has no corners.

For more clarity, you should watch the thematic videos, a selection of which we made just below.

Tips from the experts

For working with porcelain tiles it is preferable to use a professional electric tile cutter, because it is adapted to work with the harder material. And this material itself costs more, so I want to minimize its loss during processing.

When sawing, the angle can be made not 45 degrees, but sharper. This will make it a little easier to glue the tiles at right angles.

When working with bevels in the corners, high-quality grout is very important, because even a clothes strap can catch the tiles with a nick. This can cause a fragment of it to splinter off. If a chip does occur, but you are not going to replace this tile at the moment, grout can help hide the defect. They come in different colors, so it is easy to pick up the right option to match the color of the ceramic. There is also another option: to use any available grout and touch it up with paint in the desired shade.

When, after laying tiles, small imperfections are visible at the joints, for example, from the unsuccessful sanding of the glaze, you can use masking compounds that will hide the imperfections. Such correctors are convenient to use. in the cap, as a rule, there is a small brush. The main thing is to carefully study the instructions. Note that we are talking about very minor imperfections, not chipped pieces of ceramic. Correcting agent will be an indispensable helper if you need to “discolor” a small crack on the tile, and on any ceramic product.

With sufficient experience with finishing materials you can do everything yourself. If you do not have the necessary skills, but finances allow hiring experienced workers, then it is better to trust the professionals. then the quality of work can be no doubt.

See below how to make a 45-degree tile filing.

What disk to cut ceramic tiles with an angle grinder?

There are at least 6 varieties of discs, suitable for use with an angle grinder. On the choice of nozzle will depend on the quality of the work and the achievement of a variety of results on the request of the master.

Stone disks

Sharpening tips are most often made of stone. They represent a solid base with a thickness of at least 6 mm. Because of their solid base, stone disks are ideal for sharpening tools that ordinary thin bits can’t handle.

As a rule, stone discs are not suitable for tile cutting because of their great thickness. But they can be used to sharpen improvised tools without great effort. A stone wheel with glued sandpaper blades is suitable for sanding work. Tile deburring is recommended with soft abrasives marked 20, 150, 180.

Steel discs

Steel is a complex alloy of iron and carbon with impurities such as silicon, sulfur, manganese and phosphorus. The carbon component, which does not exceed 2.14%, gives the steel high strength and hardness. This allows the metal to be used as a base material for cutting discs for angle grinders.

One more variant of steel coating is electrocorundum. This abrasive is made of crystalline alumina or synthetic corundum, which enhances the cutting properties of the disc. Marked in blue, they are used to cut a wide variety of metal parts such as profiles, sheets, angles, rebar and pipes.

Tiles can be cut moreover easily with these kinds of blades, even if you have to work with very thick floor tiles and porcelain tile.

Segmented Dry Cuts

This also has a steel blade, but differs from the standard one in that it is slotted. They are positioned along the edge of the workpiece toward the center and divide it into equal segments.

Segmented disc cutters are used for very hard porcelain tile and natural stone materials. Thanks to the presence of segmented slots, the nozzle lasts longer than other models. Air cooling during cutting also increases service life.

The only disadvantage of dry-cutting tools is a high probability of splintering.

Solid dry cutters

The solid type nozzle, despite the name, is used for wet cutting. It lacks thermal relief cuts, so it requires a coolant. water supply into the cutting zone. Because of its tendency to overheat, the solid dry cutter does not run continuously for more than 15 seconds. Leave it idling for another half minute to cool down.

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Failure to do so will cause the silver solder to loosen, the diamond coating to wear off, and the wheel to lose its original shape.

The solid dry cutter provides a better cut. The most important thing is not to forget the water supply. It can be provided by connecting a hose or attaching a specialized attachment.

Combination disc models

Tile cutting angle grinder discs get this name due to their ability to work both dry and wet. It is an intermediate option between segmented discs and dry cutters:

Diamond wheel

Tile cutting tools for angle grinders with diamond tile grinding wheels are the most expensive, but also the best quality option for angle grinders. What the diamond wheel is capable of cutting:

The carbon coating on the nozzles has different hardness and composition.

Tile cutting with a diamond wheel is permitted only with diamond discs, which are compatible with tile.

Diamond nozzles for angle grinders also available as solid or segmented. There is another type. turbo wheels. They are used where tiles need to be cut at an angle at high speed.

Safety rules for using an angle grinder

Because of the hazard category of this tool, the following safety precautions must be strictly observed when using it:

  • A protective cover must be installed on the angle grinder when in use to prevent sparks or flying debris from entering the machine directly.
  • For the convenience of the work and to avoid damaging the cable of the appliance, the length of the cord should be at least 2 m.
  • While cutting tiles wear protective aids: respirator, gloves, overalls, goggles and safety shoes.
  • When the angle grinder is on, it is necessary to hold it firmly with both hands and cut the material by rotating the cutting element away from you.
  • Avoid exerting excessive pressure on the blade.
  • To avoid electric shock do not cut materials that are submerged in water.
  • It is recommended to use the tool in a ventilated room, because the dust generated when working with it is explosive.
  • For each material to be cut, you must install a wheel of a suitable type on the angle grinder: for metal. abrasive, and for tile. diamond dry cutter.
  • When working, it is undesirable to hold the tool vertically, because in such a situation, it can escape from the hands, becoming the cause of injury or damage to the sawn tile.
  • During the operation of the angle grinder is necessary to avoid very low and extremely high revolutions.

Figuring out how to cut tiles with an angle grinder without chipping and following all the rules and recommendations, you can with your own hands make the cut without too much difficulty and avoid possible damage to the material.


To make a high-quality and smooth cut without chips and cracks is possible only with the help of special devices, each of which has its own advantages.

Electric grinder

The main advantage of this tile cutter is the clear and high-quality cut on tiles, which is carried out in two directions: the usual straight cut and the special cut at an angle of 45 degrees. Thanks to the rotation of the cutting wheel at a certain angle to the cut off part of the tile it is easy to make the cut, starting from 0 and up to 45 degrees. The electric tile cutting machine can have a water feed, which means less dust, or it can be of a regular design. However, both devices provide the same quality of work and guarantee the cutting of a large volume of tiles in a short period of time.

In the case of concave tile cutting, the electric tile cutter does not follow the concave deflection of the product. That’s why only the back side can be cut, so as not to damage the enamel on the front side. This is especially true for porcelain tiles.

  • A special masking tape;
  • simple pencil;
  • a small ruler;
  • tile cutter;
  • angle grinder with adjustable speed.

On the part of the tile where the cut will take place, it is necessary to glue a masking tape. Use a pencil and a ruler to make the necessary markings. Then place the tile on a specific section of the appliance at a 45-degree angle. On the principle of a circular saw, the tiles are cut with a diamond band. Some models supply water during the cut, which protects the tile from melting and washes away the dust.

If the glaze on the outside of the tile is damaged, the cut will be ugly with cracks and scored edges, which when laid side by side will have a sloppy appearance. Therefore, when working with an electric tile cutter, you must carefully remove only the clay layer.

Professional secrets of experienced tilers:

  • The tile cutter must be used to achieve a smooth cut;
  • Then form the necessary angle on the back side of the product;
  • The glaze, which was caught in the work process, is rubbed out with sandpaper.
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Manual tile cutter

Manual tile cutter is popular not only with professional tilers, but also with amateurs. Many models of such tile cutters are equipped with a special rotating base and a built-in ruler that allow you to make a high-quality 45-degree tile cut. Inserting a tile into the tile cutter at a certain degree, you need to align the mark on the tile and the construction tool. Putting the handle down, you need to move it slowly with equal speed and even pressure in the direction from yourself.

angle grinder

Despite the fact that such a construction device is present in almost every home, self-cut tiles under a 45-degree angle with an angle grinder is very difficult.

For a quick and even cut of the tile you need to install the diamond wheel on the device. The tile should be placed under the rib with the outer side to the bottom. Now it is necessary to grind the back side of a ceramic tile with a grinder at an angle of 45 degrees.

It is not possible to make an even and clean cut at the first time. Therefore, after the angle is formed, it is necessary to repeat the process and go over the cut edge with a diamond wheel of the angle grinder. This is the only way to make the corner even.

To form a corner on the tiles it is necessary to choose the right angle grinder, because not all models can perform the necessary functions. In this case, it is worth buying a construction tool, at which you can regulate the speed.

At the beginning of the work should set the minimum speed at which the edges of the tile will be grinded and not burned.

Features of cutting mosaics

In modern interior design is often used mosaic coating. It is used in the lining of columns, bathtubs, boxes, allows you to perform finishing in the original style, to create entire paintings. For convenience, ready-made modules from 30×30 cm, consisting of small elements are available. When performing trimming, the main task is to securely fix the small fragments.

Trimming on the machine is performed as follows:

  • The mosaic module is placed between two sheets of plywood, about 1 cm thick, face down. At the same time it should be 1-2 cm away from the edge of the tile.
  • The whole structure is fastened with self-tapping screws in 3-4 places, depending on the size of the module.
  • Workpiece is placed on the working surface of the electric tile cutter. The cutting disc is set at an angle of 45 degrees and a uniform cut of all fragments is made.
  • The final trimming is carried out with an angle grinder with a diamond disc.
  • If necessary, the surface is additionally treated with sandpaper.
  • Apply masking tape to the face of the mosaic module: 2 overlapping strips. The distance from the edge is 1-2 cm. In doing so it is ensured that the small fragments are sufficiently fixed.
  • Trimming is performed on an electric tile cutter on the back side of the tile. The module is placed on a firm base, such as a large tile.
  • To get a more even and smooth cut, use an angle grinder.
  • Final finishing is performed by a device made of a wooden block and sandpaper.

Boring a mosaic angular grinder consists of the following steps:

  • The ceramic module is placed between the two plywood parts of the same shape and size. The upper element is placed 1-2 cm from the edge of the mosaic.
  • Above the entire structure is closed board and clamps securely attached to the table.
  • Trimming is performed by an angle grinder with a diamond disk in two steps: first, the entire module is sawn at an angle of 45 degrees. Then more carefully align the surface of each piece.
  • To smooth the place of nailing, sandpaper is used.

Angle grinder should work on a minimum number of revolutions.

In what cases you can not use a tile with the ends sharpened under 45 degrees

When cutting tiles at 45 degrees it is important to remember that sharpened ends, due to their thinning, become quite brittle. For this reason this technology should not be used when finishing steps. In places with a lot of traffic, treated ends are bound to begin to break down.

The steps should be finished by overlapping the ends of the tiles or by using metal corners.

In any case, before finishing the outer corners of the walls using this technology is well worth thinking about. In the case where the outer corner of the wall is often touched, then the use of this technology is not allowed, as the corner may collapse due to constant external physical impact. In this case it is recommended to give preference to the use of metal or plastic decorative corners.

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