Concrete contact application in construction. What is concrete contact and where is it used? Buckets with ready-made mixture
Modern building materials are increasingly surprising with their versatility. For example, Betonokontakt soil can literally connect materials with opposite properties. The innovative primer promotes reliable adhesion of tiles to metal surface, wood to glass, etc. But perhaps its main function is creating a surface that is durable and ready for the application of building materials.
The upper layers of a wall, slab, partition or ceiling, impregnated with Concrete Contact, are ready not only for connection with materials of a different nature and structure, but in the process of diffusion the primers themselves become stronger, their resistance to moisture and mechanical destruction increases.
Compound
Special primer for exterior work and plastering of surfaces made on acrylic base and has high adhesion characteristics. The solution contains a mixture of quartz sand, cement and fillers. They make Betonokontakt a substance with high adhesion and allow you to create construction coatings that are reliable in use.
Versatility and reliability
Concrete contact can also be used to treat not only porous absorbent surfaces, but also those that do not absorb moisture well or do not absorb moisture at all - concrete structures, metal, plasterboard and ceramic surfaces, plastic or wood. After treatment with Betonokontakt, the surface perfectly holds any plaster: lime, cement, gypsum or alabaster.
It is known that monolithic concrete does not absorb moisture well, so any plaster does not adhere well to such a surface. After treatment with Betonokontakt, the problem disappears completely - the plaster will not fall off even when working on it with a hammer drill.
Characteristics and properties of Betonokontakt soil
Primer solution, the production of which is considered innovative, Designed to transform any smooth surface into a rough one. This quality - good adhesion - is maintained by a special composition with the addition of quartz sand and adhesives in accordance with GOST 28196-89. Below are the main specifications Concrete contact: 
- Drying time- the soil dries quickly, only 2-3 hours. After this, you can continue to work with the surface.
- Moisture resistance- Concrete contact as a primer has high waterproofing characteristics. When dry, the acrylic adhesive primer forms a moisture-proof film. If you use the solution for concrete screed floor, there is no need to apply waterproofing.
- Durability- the service life of the surface impregnated with the composition is up to 80 years, according to manufacturing companies.
- Standard consumption per 1 m 2- 0.2-0.4 kg. This is a guideline standard. in various conditions.
The primer works great on low-porosity surfaces and holds well Oil paint, concrete tiles, finishing brick, monolithic and reinforced concrete, sand concrete and building bricks. In order to obtain a high-quality primer layer, control the treated surface - if the Concrete Contact is completely absorbed, there are visible gaps on the surface or the layer can be easily removed by hand - apply the primer again.
Packaging and storage
The primer is packaged in different containers convenient for the consumer. These are buckets with a capacity of 5 and 10 liters, Euro tanks with a capacity of 30 liters or plastic 40-liter barrels. Storage conditions - the container must be tightly closed, the air temperature in the room is +5..+30 0 C, the products must not be exposed to direct Sun rays. The manufacturer guarantees a shelf life of 12 months from the date of manufacture of the product. The date of manufacture must be indicated on the packaging without any blots or corrections.
Manufacturers and cost
You can find the estimated prices from branded manufacturers of Betonokontakt for the fourth quarter of 2014 in more detail in the analytical material.
Areas of application of Betonokontakt primer
The Betonokontakt primer composition was created to increase the adhesion of construction moisture-proof surfaces for the purpose of their further processing. Its performance characteristics are impressive. Often today the function of the composition is a complete replacement of the bandage, which was used before.
The bandage is a mesh made of fabric, which was glued to the surface with PVA glue, and then plaster was applied to it. During the work, applying the bandage was difficult and inconvenient, in contrast to the effective and durable Concrete Contact.
Practical use of soil - not only for interior work, but also for external surface finishing. You can use concrete contact open walls before finishing plasters- do without such processing exterior finishing is already considered bad form.
Application methods
Previously the surface is cleaned of dirt, peeling and dust. Before treatment with Concrete Contact, it is possible to completely remove dust and ensure high-quality binding of the surface layer.
Concrete contact plaster primer is applied with a roller or brush - in a thin layer and evenly.
Wait for it to dry! Remember - to wet surface the plaster will not stick.
If you don’t know exactly how long it takes Betonokontakt to dry, all the data is in the instructions. After some time (2-3 hours) after application, check whether the primer has dried and whether the surface is ready for use. further work. A poorly dried surface easily gives off plaster, if you run a spatula over it. But you shouldn’t put off finishing the surface either - the longer the break, the more dirty the finished surface will be. If the treatment has been carried out, but more than 2 days have passed, it is recommended to carry out additional coating.
Questions and answers from experts
The interest of consumers in innovations in construction and repair is understandable, so some points about the use of Betonokontakt will be clarified by independent experts - professional builders Sergey Vladimirovich Petukhov (foreman, Stroydom LLC) and Igor Kostenko (painter-plasterer at the Domotech repair company).
“What is better to treat smooth concrete slabs first - concrete contact or a regular primer?”
Sergey:“Any slab must first be cleaned with a brush or abrasive wheel, and traces of plaster or putty must be removed. Then Betonokontakt can be used to prime any surface - smooth or rough, walls or ceilings. After 3-5 hours you can begin plastering work.”
“Why do we need Concrete Contact at all? Previously, everything was done without him, and everything held up. There are also negative reviews about him on the Internet.”
Igor:“If the instructions for use did not explain to you the need to use Concrete Contact, then we will explain - a layer of plaster can fall off like a cake if you do not pre-treat it, and you will not like it. Even if you accidentally hit an untreated but plastered wall, or drill it, pieces of plaster with an area of 20-30 cm may fall off, and even cracks will appear! And the primer plaster will not allow the decorative layer to fall off, and a hammer drill is not a problem for it, the holes when drilling will turn out smooth and neat.”
“Which brand of Betonokontakt should I choose? There are so many of them on the market - Knauf, Osnovit, and other primers, and even with different smells and colors!”
Sergey:“Today you can find many fakes on the market. Therefore, buy branded concrete contact construction companies- Ceresit, Prospectors. Before purchasing, make sure that the seller has a certificate of conformity for the product. A poor-quality primer will only cause losses. And the reviews about the color or smell are not true, since the original soil is always pink and has a pleasant smell.”
“How do I know if I bought a quality Concrete Contact?”
Igor:“Quality can only be bought in trusted construction supermarkets. Check the expiration date, shelf life and storage conditions of the product. The shelf life of the mixture, for example, Prospectors, Optimist and similar ones, is from 6 to 12 months. Unscrupulous sellers may paste over the production date and cost of products. Betonokontakt is stored only at above-zero temperatures. The working solution must have a homogeneous composition. Read online reviews about the store where you buy the material.”
“Is Concrete Contact different from Concrete Contact? In our stores I only found Axton Concrete Contact.”
Sergey:“It's the same name. Even manufacturing companies often indicate “Concrete Contact” on buckets or barrels, and “Beton Contact” in the instructions. There is also the name “Betonokontakt soil” - that’s exactly what it says.”
“Is it possible to plaster without using Concrete Contact? Its price is rather high, and I really want to make repairs cheaper!”
Igor:“You can do the repairs the way you want, but you will also have to repair the fallen plaster. Therefore, my advice is to buy any plaster primer - Axton, Ceresit, Osnovit or Bolars, but be sure to check the expiration date of the product. Decide in advance on what surface you will glue the tiles: glossy or rough? This determines how much soil you will spend on the walls. Even if Betonokontakt is applied to glass, here too it will reliably hold both tiles and decorative plaster!”
“I don’t see the difference between primer and Concrete Contact. I think both mixtures work well.”
Sergey:“Concrete contact can be used for smooth, non-moisture-absorbing glossy building surfaces. In other cases, in principle, a regular deep penetration primer will do.”
“I called a professional to lay tiles in the bathroom. He said that any concrete contact is unnecessary waste money, offered to do it without him!”
Igor:“Change your master! After reading all of the above, you should understand how the new primer differs from the usual one. The bright pink color of Betonokontakt will immediately show where the wall or floor was primed and where the master cheated. When using a regular primer, the master can save money by diluting the primer with water, just to show a “wet” effect. But with Betonokontakt, which is completely consumed, such deception will not work - the walls will show where the soil lay and where it did not. Therefore, we warn you right away - you cannot dilute the soil! It is made on an acrylic base, and water will only ruin it! All you can save on is making the layer a little thinner.”
“How to properly prepare the Betonokontakt mixture?”
Sergey:“Preparation consists only of thoroughly mixing the mixture. You can use a drill with construction mixer. If the work takes a long time, you need to stir constantly.”
Repair is a responsible process. It requires the master to have appropriate knowledge and skills. In progress finishing works It is important to properly prepare the base for applying the finishing layer of material. For this, various adhesion-increasing agents are used. In this case, the finish fits tightly to the surface, firmly adhering to it.
One of the most popular repair tools is "Betonokontakt" Specifications and the features of the presented primer will be discussed further.
general characteristics
Modern building materials are versatile. Their qualities are constantly being improved. Today it is possible to combine materials that previously could not be combined. For this purpose, a special primer "Betonokontakt". Technical characteristics (GOST 28196 regulates the features of the presented product) should be considered before application.
"Betonkontakt" covers surfaces with a thin film. In this case, it becomes possible to glue tiles to metal, glass to wood. The walls and ceiling are treated with a primer, and then subsequent finishing is carried out. The surface treated with the presented material becomes stronger.
The finishing touches tightly to the prepared base. In this case, the layers do not crack or crumble. Finishing material will stick to the surface firmly. Subsequent repairs will not be required for many years. It is for this reason that the presented primer is used everywhere today. It is produced by leading companies that supply high-quality building materials to the market.
Compound
Today, the presented variety of primers is produced by many different brands. They differ slightly technical characteristics. "Betonokontakt" "Knauf", “Ceresit”, “Starateli” and other manufacturers are made on the basis of acrylic. This material enhances surface adhesion. In other words, the finish adheres better to the base.
IN acrylic base cement, sand and other fillers are added. It is these components that give the primer the appropriate qualities.
The primer can be used to treat both porous and smooth surfaces. It is intended for concrete, metal, ceramic, wood, plastic, plasterboard surfaces. After processing they can be applied various plaster. The finish can be made on a cement, lime, gypsum, or alabaster base. Even on surfaces that do not absorb moisture at all, such plaster will adhere firmly and not peel off.
Specifications
It differs in certain properties "Betonokontakt" Technical characteristics of "Ceresit", Knauf and other manufacturers may differ slightly. However, all of them are capable of turning a smooth surface into a rough one.
The drying time of the primer is 3 hours. In some cases, the surface will be ready for further processing after 2 hours. The primer has high rate moisture resistance. A film forms on the surface. It does not allow moisture to pass through. Therefore, when using “Betonkontakt” when finishing the floor, you don’t have to use waterproofing.
The service life of a surface impregnated with a primer is 80 years. Product consumption ranges from 0.2 to 0.4 kg/m². “Betonkontakt” has a distinct color. After processing, you can see on the surface whether it is completely processed. When the product is absorbed, the gaps will be clearly visible. In this case, the base is primed again.
Consumption
Considering technical characteristics of the Betonokontakt soil, A few words should be said about the mixture consumption. It depends on several parameters. For ease of use, primer packages are produced in 5-10 liter buckets. There are also containers of 30 and 40 liters. When closed, Betonkontakt is stored for 12 months.
The consumption of the mixture depends on the porosity of the base. The more the surface absorbs primer, the more primer will be needed. Large quantity the mixture will be required for brick surfaces, cellular concrete and other similar building materials. In this case, the consumption is 0.3-0.5 kg/m². Less funds required when applied to a smooth surface. For ceramic tiles, metal, glass average consumption is 0.15-0.2 kg/m².
Also, the amount of product is affected by the size of the sand fraction that is added to the acrylic base. The finer the particles, the lower the cost of applying the product. Thick layer The product is obtained by treating the surface with a brush. If the primer is applied from a spray bottle, the layer will be thin. In this case, consumption is reduced.
Advantages
Technical characteristics of the Betonokontakt primer They talk about a lot of advantages of this product. The composition can be used on almost any basis. It is even applied to old cladding.
"Betonkontakt" can be used before applying putty or plaster. The film formed by the composition does not allow moisture and steam to pass through. This provides reliable protection surfaces. It becomes stronger and does not collapse for a long time.
Primer treatment is simple. The quick drying of the layer allows you to quickly continue subsequent repair work. After treatment, mold and mildew do not appear on the surface.
"Betonkontakt" is environmentally friendly pure material. It can be used indoors in any room, even in the bedroom and children's room.
Features of application
Technical characteristics of "Betonokontakt" allow it to be used in different areas repair work. The composition can be applied when arranging a rough screed for floors or ceilings. The primer is also applied to the walls. After this, they can be plastered and wallpapered. On the ceiling, the presented product is used before whitewashing.
The primer penetrates deeply into the material. The presented product is used for interior work. Repair work can be carried out at temperatures from 5 to 35 ºС. There should also be normal air humidity in the room. The product cannot be used at temperatures below 0 ºС.
After drying, the primer layer performs its assigned functions under certain conditions. Temperature environment should not fall below -40 ºС and rise above +50 ºС. Thanks to the use of special additives, the product can withstand several freezing cycles.
Manufacturers
Each manufacturer gives its products certain technical characteristics. "Betonokontakt" "Ceresit ST 19", “Knauf”, “Prospectors” differ in a number of indicators. These are the most popular primers in our country.
Knauf products contain quartz sand. It is sold in 5 kg containers. The presented primer is treated concrete surfaces indoors and outdoors. The cost of the presented “Betonkontakt” is 600-800 rubles.
The Ceresit company also produces this type of primer. It is sold in a 15 kg container. The price of this product is about 1200 rubles. The presented composition is practically not inferior in quality to the previous variety of “Betonkontakt”.
One of the best domestically produced compositions is the “Prospectors” primer. It is sold in 20 kg packaging. The cost of the presented product is about 1400 rubles. The quality of this primer is not inferior to foreign analogues.
Applying primer
Having considered technical characteristics of "Betonokontakt", it is necessary to delve into the features of its application to the surface. First, the base must be properly prepared. The surface should be cleaned of dust and dirt.
After preparation, you can begin to create a primer layer. This work is done using a brush, roller or spray. It is necessary to ensure that “Betonkontakt” lies on the surface in an even layer. Next, the product should dry well. Features of the use of the product must be indicated in the manufacturer's instructions.
After 3 hours you need to check whether the surface is dry. If the primer is ready for further work, plaster is applied to it. You can also hang wallpaper and apply a layer of paint. If the base treated with Betonkontakt remains in the same condition for more than 2 days, the procedure should be repeated.
Experts recommend purchasing primer only in specialized stores. Before using the product, you need to evaluate its consistency. There should be no lumps in the mixture. Knowing the technology for using primer, even an unprofessional installer will be able to do the job well. In some cases (when the processing area is large), it is recommended to use the services of professional installers.
Having considered the features "Betonokontakta", technical characteristics primers, you can choose the right composition and apply it when carrying out repair work
Now there are many materials for repairs or general construction. It often happens that ordinary or tile mortar is not enough to obtain reliable adhesion. In other words, you need a mixture that will provide a reliable bond between the wall and the object being attached.
It is for these purposes that concrete contact exists. They say about him that he can bind completely incompatible materials. For example, gluing metal and tiles or gluing an object to a perfectly smooth surface (glass), and so on.
Description and features
Concrete contact- this is a variety ground mixtures. The main advantage: transforming a smooth surface into a rough one. The main component is quartz sand.
The additives are durable types glue and acrylic impurities. Previously, all ingredients were used separately for a reliable bond, but now manufacturers have combined everything into one mixture called concrete contact. What characteristics has concrete contact?
Firstly, the material has strong resistance to moisture. Builders have repeatedly sought to obtain a joint that would be completely indifferent to water. The new kind similar material allows for reliable waterproofing.
For example, under a floor screed or in a sauna/bathhouse. When concrete contact dries, it creates a kind of film that prevents moisture from penetrating further.
Secondly, it has the ability to dry quickly, while being absolutely safe, and does not emit foreign odors. In just a few hours you can start next view work. And thirdly, of all existing primers, it is endowed with long term operation (up to approximately 80-90 years).
Types of concrete contact
The building materials market offers a wide selection of soil mixtures. Repairers highlight the most popular and reliable ones.
* Knauff soil mixture has wide application for interior finishing works. For example, you need to prepare a plaster base walls for application, in this case, it could not be better suited concrete contact.
We can say that Knauff is used for concrete and cement surfaces. And not only, practice has shown good results on such bases as polystyrene foam and various foam blocks. This type of primer is very easy to apply and does not require special knowledge or effort; the approximate consumption per square meter will be 250-350 g.
* The Akston soil mixture is considered universal and is suitable for unprepared surfaces. This material has the following components: marble chips, acrylic impurities, quartz sand, various polymers. It tends to dry quickly, and you can work with the treated surface after 2-3 hours. The approximate consumption per square meter is 300 g.
* Priming"Prospectors" are a type of concrete contact, where one of the important components is latex. Often used for processing interior walls, has a low health hazard. Among all other examples is endowed the highest qualities adhesion.
Widely used for old surfaces: panels, brickwork, monoblocks. In a word, we can say that this soil is suitable for areas that are unable to absorb moisture. “Staratel”, in addition to the fact that it dries quickly (in just two hours), also consumes little (about 200 g per square meter).
* Ceresit soil mixture is intended exclusively for internal surfaces. It is also used in the most difficult places where a high adhesion coefficient is required.
The composition includes only harmless components: mineral additives, copolymers, special pigments and aqueous dispersion. Three hours after application, the next stage of work can be performed on the surface. Consumption given concrete contact will reach 500-750 g per square meter.
Application of concrete contact
The most important advantage of the soil mixture is to create adhesion on those surfaces where moisture literally rolls off. This does not mean that it is only used for internal processing. For outdoor use concrete contact is used before applying decorative façade plasters.
What preceded the concrete contact? Previously, builders used a special bandage to strengthen the ligament. It played the role of a fabric mesh and was applied using PVA glue. This type of work was long and labor intensive. Therefore, the invented primer literally became a lifesaver for builders.
Now about the most important thing: the primer can be applied to the surface of any structure. As for concrete, it was difficult to do the job so that the plaster would last long.
Concrete contact has proven itself only with the best side, this building mixture lasts for a long time. It is not recommended to apply it if the air temperature is below +5 C. Application layers can be from 3 to 6 mm. Everything will depend on the content of quartz-sand fractions in the soil mixture.
How to apply? The primer coating process does not require any special skills, effort or tools. First, the surface should be carefully prepared: remove loose parts, clean from dust and dirt, and treat with regular primer.
It is important that the area is free of oil stains or grease deposits. They are being removed mechanically. After the usual one has completely dried, you can begin to apply the main adhesive.
To work, you will need a regular brush, roller or spatula. Betonokontakt buy in any construction market and apply a thin/even layer using a wide brush. The exact consumption per square meter is shown on the packaging.
Leave to dry for the time indicated in the instructions. The minimum period is at least two hours. Usually check with a spatula; if the coating is easily removed, then the soil has not yet dried.
Of course, everything will depend on the temperature and humidity. Usually this work is carried out overnight, and by morning the surface is ready for the next stage of installation.
Construction experts recommend that the next stage of work be carried out immediately, that is, not left for an indefinite period of time. Because the concrete contact may become dusty, in which case adhesion will only worsen. Repairers will unanimously say that they have not yet come up with a better binder!
Price and reviews
Because of concrete contact little consumption, this allows you to save not only time, but also price. The cost will depend on the manufacturer and packaging. Usually placed soil mixture in buckets or containers, and the price range will be from 250 to 2500 Russian rubles.
Unfortunately, I would like to warn you that the building materials market offers many fakes. Therefore, during the purchase, it is advisable to check the quality certificate or purchase from a trusted manufacturer.
The very first indicator quality material will become gentle pink color and a pleasant smell construction mixture. If everything is done exactly according to the instructions, then the quality of the treated surface and durability of operation are ensured. This is confirmed by the grateful
Quite often during the renovation process it is necessary to combine some materials. But due to their properties and components, they adhere very poorly to the surface of the walls. For example, it is quite difficult to attach tiles to metal or wood. In this case, we recommend the use of concrete contact. In this article we will talk about its technical characteristics and provide instructions for correct use.
Specifications
This solution has the property of turning a smooth wall surface into a rough one and is classified as a primer. Due to the presence of quartz sand in its composition, concrete contact is capable of connecting almost any coating to the walls. Technical characteristics include:
- relatively high drying speed on walls. You can continue repairs within two hours after applying the solution;
- excellent moisture resistance. Concrete contact can be considered a waterproofing finish, because after drying, a waterproof film is formed on the surface of the walls;
- Due to protection from external damage, it can last for many years, which is a plus. Average term service is approximately sixty years;
- the consumption is not too high and on average you will need 200-300 grams of mixture to process one square meter walls.
Thanks to these technical characteristics, concrete contact has gained wide popularity among both professionals and beginners in the construction business.
Where can it be applied?
Let's try to answer the question, what is concrete contact for? So, the main property is to increase the adhesion rate of wall surfaces with poor moisture absorption. Thus, concrete tends to repel moisture, and therefore almost any material does not stick well to it. In this case, you can use concrete contact and, due to its properties and technical characteristics, increase the adhesion rate.
Previously, professionals used for this purpose special mount, which was called a bandage. This allowed for safe plastering concrete walls. But now, with the advent of concrete contact, the need to install such heavy fastening disappeared. After all, the effect of using the solution is much stronger, and the method of application is much simpler.
This material can be used for both internal and external walls. So, it is used for finishing buildings before applying facade plaster, which allows the coating to adhere perfectly. This primer can handle almost any surface, which is also a definite advantage. It can be used to process walls made of wood, metal and other materials. Using concrete contact, you can be sure that any mixture will last on the wall for a long time. The method of application is quite simple, but we will talk about this below.
Tools
In order for the work to be done efficiently, we recommend that you do not skimp on tools and materials, because it depends on them how many years the wall repair will last you. To use concrete contact you will need:
- roller or brush for application;
- a container to pour out and, if necessary, dilute the solution;
- a table or stepladder to reach the ceiling;
- Remedies;
- concrete contact.
As you can see, the set of tools is not very large, so you won’t have to spend much. The main thing is to try to choose a high-quality mixture, be sure to check the expiration date. If you have any problems or questions, be sure to consult with the seller, he will be able to tell you which type of solution is best for use.
Application instructions
The method of using concrete contact does not require special skills. The first step is to remove dirt, dust and old coating from the surface of the walls or ceiling. Before application, we recommend treating the surface with an ordinary primer to ensure that you get rid of dust and ensure the connection of the surface layer with the main solution. You will need to let the wall dry; applying concrete contact to a damp wall is highly not recommended.
Next you need to apply it to the wall. To do this, you can use a roller, brush or spatula. We cover the wall with a thin layer and try to distribute it evenly. In the corners of a wall or other hard to reach place The priority tool is the brush.
After application, you need to give it time to dry. After an hour, it may seem that the solution is completely ready and you can continue, but this is a misleading idea. If you run a spatula along the wall, the concrete contact will come off quite easily. This should not happen if it dries completely; on average, you will need to wait about two to three hours to continue working. Drying time depends on external factors: temperature, humidity indicator and other things.
We recommend not to delay the subsequent treatment of the wall surface, since over time the level of adhesion decreases due to the dust that forms on the wall. If a couple of days have passed after application, it is better to apply a regular primer to the wall to remove dust and dirt.
As you can see, the method of application is quite simple and does not require any special skills. Also, be sure to read the instructions on the package, there may be useful tips for wall treatment.
Conclusion
As you can see, the concrete contact is quite useful remedy for processing almost any type of wall. It will not only increase the level of adhesion, but also strengthen the base and provide protection against the formation of mold, mildew and other harmful bacteria. Its use on walls is quite simple and does not require large financial investments or experience in the construction craft. Even a beginner can handle the job, the main thing is to use high-quality tools and materials. Also try to adhere to the rules and instructions provided in the article, and a good result will not be long in coming.
To understand in more detail how to use concrete contact for walls, we recommend watching the following video:
This type building material is a polymer dispersion containing pure quartz sand, resistant to alkalis. What is concrete contact for? - m material is used to provide high level adhesion of the surface and the substance applied to it.
Betonokontakt technical characteristics
- The maximum size of particles included in the fine-grained mixture is 0.3 mm.
- The maximum size of particles included in the medium-grained mixture is 0.6 mm.
- Acceptable temperature values when applying primer are from +5 °C to +30 °C.
- Acceptable temperature values during operation are from -40 °C to +60 °C.
- The color of the finished mixture is light pink.
- The average pH of the mixture is from 8.0 to 9.0.
- Approximate drying time for one layer is 3 hours.
- The average consumption of concrete contact per m² is 300 g of mixture (depending on the type of primer and surface used).
- Frost resistance - the applied and completely dried mixture can withstand 5 cycles of freezing below the permissible value.
- The consistency of the finished mixture is homogeneous (without inclusions of large particles).
- Material safety - environmentally friendly product.
It is advisable to use concrete contact:
When carrying out repair work, concrete contact primer is used in the following cases:
Excessive surface smoothness
If the surface on which you need to apply some mixture is too smooth, then there is a high risk that it will simply fall off.
To ensure good bonding on smooth wall(ceiling) apply concrete contact primer, which after drying turns into a thin and rough film on the surface.
