The final grout of facing bricks or tile joints is usually the final stage of finishing work.
It masks defects and flaws, gives a more attractive appearance. Ensures the tightness of the finished surface, preventing moisture from penetrating inside. Of great importance when choosing a grout is the quality of the tile and the humidity of the room in which it is installed.
Conventionally, all grout mixtures can be divided into three large groups:
They are based on a dispersed mixture of polyurethane resins with water. Such compositions make it possible to make a moisture-resistant sealed seam.
Excellent elastic properties of polyurethane grouts allow them to be successfully used for heated floors, which systematically experience increased deformation and vibration loads.
The convenience of these mixtures also lies in the fact that they are sold ready-made and do not need preliminary preparation for mixing.
Already from the name it is clear that they are based on cement.
Due to their affordability and excellent performance, they are widely used among other formulations.
Cement mixtures have been successfully used to fill the joints of interior and exterior decoration. They can be used for grouting facing bricks. They are highly resistant to mechanical abrasion, fading and detergents.
The manufacturer offers various formulations for neat filling of both wide and narrow joints.
Latex additives are recommended to be added to formulations for working in rooms with high humidity. The result is strong seams that last a long time.
These grouts are based on epoxy resins . Such grouting is able to withstand various increased loads. They are used in rooms where, due to excess moisture , increased mechanical and chemical loads, the tile joints are threatened with destruction.
It is used in baths, laundry rooms, showers and swimming pools . Seams filled with a two-component mixture do not absorb moisture and are highly durable.
She can update the grout between the tiles. This composition is not afraid of ultraviolet rays, aggressive chemical and mechanical influences. It retains its functional and aesthetic characteristics for a long time.
The richest color range of this kind of grout provides the ability to select the exact solution for any tone and shade.
Epoxy grout deserves to be covered in more detail.
What is the main difference between the usual cement grout and two-component epoxy grout?
Cement grout is a polymer-modified cement-sand compound that can be diluted with plain water or special latex.
When such grout hardens, it acquires a porous structure: after all, it is based on mineral raw materials (cement, sand and marble chips). The strength of the composition is provided by the process of cement hydration (turning it into stone).
The porous structure of such a joint facilitates the penetration of soap deposits, limescale and other dirt into the grout.
What is epoxy grout?
This is a two-component composition , when mixed, the reaction begins to take place, and it hardens.
The specific term "reactive grout" originated from the name "reaction".
The first component is a type of colored paste that determines the color of the potential seam.
Another component is a hardener, that is, a catalyst for the reaction, as a result of which the epoxy grout is converted into a glass-like, ultra-strong material that guarantees a tight joint.
A very important quality of the epoxy composition, which is sometimes forgotten not only by sellers, but also by craftsmen - excellent adhesive ability.
Most reactive grouts are also reactive adhesives for tiles. These qualities are determined by the labeling on the packaging of the product.
As a glue, grout is often used for gluing mosaics in bathrooms or swimming pools. It is also very suitable for mosaics with paper backing.
After hardening, all grouts of this type become chemically neutral. In other words, they are unusually resistant to aggressive acids and alkalis.
Such highly stable reactive compounds are very popular for grouting and gluing tiles in medical institutions, in manufacturing, in public catering, in workshops, and so on: where active chemicals and powerful detergents and cleaning agents are used during operation.
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