How to choose glue for laying mosaic tiles

Selecting the appropriate glue for mosaic tile installation is essential to a successful project. The tiles are held in place by the adhesive, which also guarantees their resilience to deterioration. It can be difficult to decide which glue is best for your particular needs when there are so many options available.

There are a few things to take into account when choosing glue for mosaic tiles. This choice is influenced greatly by the kind of surface you’re working with, the size and composition of the tiles, and the surrounding conditions. The correct adhesive can make all the difference when working on a bathroom wall, kitchen backsplash, or outdoor pathway.

Making an informed decision will be made easier if you are aware of the various adhesive types. Traditional cement-based adhesives, for example, are widely used due to their low cost and excellent bonding power. Conversely, epoxy-based adhesives are well-known for having outstanding chemical and water resistance, which makes them perfect for damp environments.

It’s also critical to take application ease into account. While some adhesives need to be precisely mixed and prepared, others come pre-mixed and ready to use. You may favor one type over another based on your degree of experience and the size of your project.

You can make sure that the installation of your mosaic tiles goes smoothly and successfully by taking the time to consider your unique needs and the qualities of various adhesives. Your tiles will look great and last for a long time if you use the proper glue.

Criteria Details
Type of Tile Ensure the glue is compatible with the material of your mosaic tiles, like ceramic, glass, or stone.
Location Choose glue suitable for the installation area, such as waterproof glue for bathrooms or kitchens.
Setting Time Consider the working time and how quickly you need the glue to set and cure.
Flexibility Use flexible glue for areas that might experience movement or temperature changes.
Ease of Use Pick a glue that is easy to apply, especially if you are a beginner or doing a DIY project.
Strength Make sure the adhesive can hold the weight and size of your mosaic tiles securely.

Varieties of glue

How is a mosaic put together? It is acceptable to use any of the several types of suitable glue that are available. Mineral components, polymers, epoxy, or other types of resins could be present in the tool. It is actually acceptable to adhere the mosaic using the same ceramic materials as regular tiles. However, it is also crucial to consider the kind of base that the mosaic is intended to be laid upon. Therefore, regular tile adhesives are used to face drywall or plaster, while specialized tools are needed to paste plastic or wood.

Here are some additional pointers for selecting premium glue:

  1. Glass mosaic shines through, so it is better to use a transparent or white composition for its fastening. Gray will shine through the glass and spoil the type of material.
  2. To save time, it is better to glue the mosaic on quick -drying compositions. They can be bought at any construction store.
  3. When laying natural and artificial stone, it is worth acquiring epoxy glue – it increases the moisture resistance of the material.
  4. If the surface of the wall is uneven, you should buy high -elastic aligning glues.

Gluing mosaics on "liquid nails" is a mistake. This tool works well for point application, but it is challenging to apply an even layer over a wide area. A misaligned layer of adhesive will cause some mosaic chips to come loose over time.

Cement glue

Given their low cost in comparison to equivalents, cement adhesives are sold in bags weighing 20 to 30 kg. They are composed of cement, alabaster, gypsum, sand, several plasticizers, and fillers. They can be white or gray in color.

It is necessary to dilute dry powder with water, liquid latex, or lime milk prior to adhering the tile (the guidelines are specified in the instructions). Drinking only ultra-pure water is crucial to prevent the snow-white composition from becoming discolored. Cement glue works best when applied to brickwork or concrete. Such drywall can get wet, and the glue doesn’t hold well on glass and metal.

Dispersion composition

The final product used in banks is this glue, which is made up of water, acrylic additives, and mineral components. Although the product costs more than cement, this disadvantage is offset by how easy it is to use. It is very comfortable to work with pasty white mass, and it is simple to apply to the wall.

With a solidification time of thirty minutes, the tile’s position can be adjusted. Under the packaging lid, the remaining mixture is kept fresh for an extended period of time. The dispersion composition is appropriate for gluing tiles, clinker tiles, natural stone, and majolica in addition to mosaics.

Two -component glue

Epoxy resin and hardener or polyurethane are the two components of two-component types. Connecting the parts results in a solid mass that is nearly impossible to tear apart.

Use of these specific materials is advised if the mosaic needs to be adhered to a smooth surface, such as marble, glass, plastic, or metal. Ceramics should also be adhered to wooden surfaces using epoxy. Because two-component adhesives are waterproof, they are used to face swimming pools, spas, saunas, and laundry rooms. The drawback is that these funds are very expensive.

Adhesive manufacturers

Both domestic and foreign brands of mosaic adhesive are available for purchase. China is the importer of many contemporary materials. the most favored.

Ceresit CM 115

Adhesive for glass mosaics and marble tiles White composition Ceresit SM 115 ("Ceresit CM 115") for both interior and exterior works. It is employed to secure various tile, stone, limestone, and glass types. The product works well with heated concrete floors as well as concrete and cement screeds. It is resistant to frost and water, resilient to sliding tiles, and eco-friendly.

Following the addition of "Ceresit SS 83," the adhesive mass will be appropriate for securing mosaic to gypsum, wood, drywall, and old tile lining. Glue is very convenient to use and does not leave any difficult spots.

Bergauf Mosaik

Glue Bergauf Mosaik, also known as "Bergauf Mosaic," is a white cement mixture that comes in 5-kg bags and is used for mosaics, tiles, and swimming pools. The composition also contains modifiers, polymers, mineral fillers, and fractional sand.

It’s advised for work on balconies, facade mosaics and tile pasting, pools, basements, and several important foundations. When the heating is turned back on seven days after the work is finished, tiles can be adhered to a warm floor. resistant to frost, highly adhesive, and unaffected by moisture.


The unique AXTON tool is perfect for glass mosaic both outdoors (on facades and fountains) and indoors (in bathrooms, kitchens, lobby areas, and living rooms). It adheres to stone and ceramic tiles just as well and can be used to decorate swimming pools. The material is combined with latex additives to arrange warm floors.

"Litokol to 55"

Tile glue, also known as "Litocol to 55," is a dry glue mixture whose composition is based on both internal and external works. aids in the glue-up of glass and natural stone, among other tile and mosaic materials. Suitable for pools and wet rooms. The color white does not show through or alter the primary material’s shade. The composition, which does not include sliding mosaics or tiles with vertical bases, has good adherence and high plasticity.


The adhesive group based on white cement also includes Mapei Adesilex P10. It is useful for adhering even intricate mosaics, like those made of mirror and glass, and is applied to tile, ceramic, and marble products. The "Mai" is unique in that it doesn’t slide and can remain in an open shape for a very long period without degrading. The product is delivered in 25 kg bags.

Tools and materials

When working with mosaics, you need to measure the walls or the floor and buy the appropriate quantity of the primary material, which could be tiny ceramic, plastic, or other tiles. Purchase tile adhesive as well. There are several kinds of adhesive bases available that work well for holding mosaics. The following is a list of additional supplies and equipment needed for installation:

  • grinding for seams of mosaic tiles;
  • crosses for the formation of joints;
  • spatula with cloves;
  • rubber spatula;
  • gloves;
  • sponge;
  • bucket;
  • Construction mixer (if glue is dry).

The adhesive composition won’t be required if a self-adhesive mosaic is purchased. Such a material is usually advised to be attached to the wall in the kitchen; however, because it is in constant contact with water in the bathroom, its usefulness is limited.

Mosaic gluing technology in the bathroom

The mosaic chips are sold in pieces or blocks, making them easily attainable even by beginners. It is most convenient to arrange them on the grid. Should this be necessary, you must use a construction knife to cut these modules. However, how can I properly cut each component, as repair is unlikely to succeed without it? Usually, you have to cut the mosaic at the wall corners or next to the outlet. Utilizing specialized roller bites, the edges are left uniformly smooth.

You can carefully tick the tiles with bites after removing the necessary segments from the canvas to create holes in it. It is also acceptable to use a grinder to quickly create the hole that is the necessary size.

Preparation of the base

The wall must be perfectly aligned; if not, the uneven or mosaic-glued fossa will stand out strongly and individual chips will exfoliate quickly. The following is the procedure for priming the plastered wall:

  • check the surface for the presence of voids and fill them with the leveling mixture;
  • polish the walls to remove even the smallest irregularities, tubercles;
  • On drywall, cover the seams and cover the hats of self -tapping screws;
  • let the wall dry completely;
  • Suffle the dust with a rag, carry out priming to improve the surface adhesion, reduce its absorption capacity;
  • The tiles will be better glued if you are primed for 2 layers;
  • When using transparent tiles in the bathroom, on the countertop in the kitchen, in addition to soil, tinting is used.

Wall markings

Because individual elements are small and may be moved during installation, preliminary marking is crucial. Make a sketch first, and then replicate the markings on the walls. It should start at the external angles (slopes, boxes), the mirror, a wall panel, or any other sizable ornamental piece. Making a dry layout of the material is more convenient when done on the floor.

Mosaic laying

The temperature range for tiles is +5 to +30 degrees. Start adhering the modules from the second row. To ensure the decor matches, each piece with a pattern is first applied without glue.

Mosaic glue solidifies rapidly. It takes 20 to 30 minutes for the film to form on the surface, so you shouldn’t dilute the large amount of product right away. Using pre-made compositions is far more convenient. Apply adhesive based on the base firmly in the required amount with the hardener using your hands.

Gluing mosaics

Using an even spatula, apply the finished adhesive mass in a layer of 3–4 mm to the wall. The glue continues past a gear spatula that has teeth that are 3 mm tall. Experts will occasionally apply glue to the mosaic itself to ensure a more dependable bond. The layer in this instance should be 1-2 mm.

While mosaics are easier to attach from any location, tiles are typically mounted on walls from below. However, practicing in a discrete area—like the back of the bathroom, for example—is still worthwhile. Using crosses or by using their eyes, distinct elements are pressed up against the wall or the floor. You must tap the square after laying it to get rid of extra air.

Surface cleaning

After half an hour, excess glue can be scraped off with a stick, matches, or brushes with a firm pile. Cleaning cannot be done immediately to prevent the mosaic from pealing off. Following the removal of the last layer of paper protection, which is located on the blocks’ front side. Beginning in the bottom right row, proceed to the final one. The paper needs to be slightly soaked beforehand.

Grout of the seams

Two-component grout mixtures that are appropriate for a particular kind of material should be used. Ideally, if any antifungal components are present in their composition. The work is completed the day following the mosaic glue-down. Use a rubber spatula to apply the diluted mixture both vertically and horizontally. After the grout dries, the chips are removed using a sponge, and the surface is polished using a flannel.

Mosaic on a grid or paper

A block mosaic was created so that there would be no need to waste time gluing each element. It is created using individual squares that are affixed to a paper grid. Because the drawing is created from blocks rather than by hand, it is created much more quickly and produces a similar, if not more beautiful, result.

With such a material, any glue will do. All that needs to be done is pay close attention to the markings and ensure that the solution misses the grid evenly when adhering. You will need to lubricate the primary material and then remove the paper protection because the tiles are closed with paper on the front.

For a long-lasting and beautiful finish, selecting the appropriate glue is essential when installing mosaic tiles. It entails knowing the various adhesives that are available, such as epoxy and thin-set mortar, and taking into account elements like the type of tile, the surface that it will be applied to, and the particular conditions of the space, such as the amount of moisture in a bathroom. You can make sure that your mosaic tiles stay in place firmly, don’t break easily, and look gorgeous for many years to come by choosing the right adhesive.

Gluing surfaces

The details of the work may change depending on the kind of base that the mosaic is superimposed upon. When selecting and applying adhesives to old tiles, wood, or drywall, there are several considerations.

On the tile

You can simply glue the mosaic coating on top of the outdated bathroom tile if you don’t want to remove it. Which glue is applied in this kind of work? For aquarium glue, a silicone agent or sealant works best. Additionally, premium epoxy glue in the form of a two-component composition is appropriate for this kind of work. The ancient tile needs to be thoroughly cleaned to remove any dirt or soap residue.

On wood

Two-component glue or finished dispersion acrylic composition can also be applied to this base. To optimize the material’s absorption, you should apply a primer to wood two or three times beforehand. In the event that it is chosen to adhere the mosaic to the plywood, the plywood’s thickness must be at least 0.7 cm. The glue chosen is high-elastic, meaning it won’t break under pressure.

On drywall

The easiest way to lay mosaic is on drywall because it adheres firmly and lasts a long time. To improve the structure’s dependability, it is crucial to first apply putty to the sheet joints. The surface is primed after that. Use cement glue or a water-dispersion composition to attach the mosaic.

Selecting the appropriate adhesive when installing mosaic tiles is essential to attain a long-lasting and visually appealing outcome. The secret is to take into account the particular requirements of your project, such as the kind of tiles you’re using, the surface you’re working with, and the setting in which the tiles will be installed. Knowing the different properties of adhesives and how they work best under different circumstances will help you make an informed choice.

Standard tile adhesive works well for indoor projects, but waterproof or water-resistant alternatives are crucial in high-humidity areas like bathrooms or kitchens. Even stronger adhesives that can tolerate weather and temperature fluctuations are needed for outdoor mosaics. To ensure compatibility, always refer to the manufacturer’s recommendations for the adhesive and the tiles.

Usability is yet another crucial element. While some adhesives come in powder form that must be mixed with water, others are pre-mixed and ready to use. Ready-mixed adhesives are perfect for novices or smaller projects because they can save time and lower the possibility of errors. However, for more intricate or extensive installations, powdered adhesives might provide more strength and flexibility.

The right adhesive will make all the difference in your mosaic tile project’s success. You can make sure that your mosaic not only looks great but also endures over time by considering the kind of tiles, the installation space, and your own degree of skill. Effective project management and appropriate materials selection are essential for any successful tiling project.

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Daria Yakovlev

Interior designer, author of online color design courses. I will help you create a harmonious interior using color.

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