Knauf primer: characteristics and features of the application
Priming of walls and flooring is one of the most important stages in the repair of any premises. It provides high-quality adhesion of all materials to your surface. Today the construction market offers a wide range of products needed for priming. It differs among themselves in two parameters - the method of application and composition.
The choice of primer mix will depend on several factors. For example, on the type of surface to be treated, as well as on the humidity indicators in the room. It is also necessary to pay close attention to the subsequent finishing.
You can choose a quality primer from the Knauf product line. This is a proven manufacturer of building materials from Europe.
European quality
Knauf is recognized worldwide as a reliable manufacturer of building materials. It offers its customers a wide range of products at very affordable prices. The products of this company are produced in a hundred enterprises, which are located in China, America, Europe and other countries. That is why the geography of sales of this brand is quite wide.
Knauf is engaged in the production of many building materials, among which are primers that have different modifications.
Among the advantages of primers of this brand are the following points:
- They are fully compatible with most finishing materials on the modern construction market.
- The composition is designed to minimize its consumption during use.
- Primers of this company can be safely applied when finishing the facades of buildings. They are resistant to temperature and moisture resistant.
- The composition does not trap air, which provides an excellent microclimate in any room.
- The mixture is completely safe for the human body, environmentally friendly.
The only lack of primers of this company is their cost.Many companies in the modern construction market offer identical products at a lower price. For many buyers, this fact is decisive and they acquire mixtures of other companies.
Tiefengrund
If you need a universal primer with an acrylic base, then choose Knauf Tiefengrund. It is a quick-drying solution that has no color. It penetrates deeply enough, and this is one of its main advantages. The basis of its composition is the aqueous dispersion. It is not subjected to saponification. Tiefengrund does not contain plasticizers and is suitable for drywall.
The primer of this type perfectly strengthens any surface. It can be used to regulate the ability of a material to absorb excess moisture.
Main technical characteristics:
- penetrates deeply enough;
- it has the ability to bind dust that settles to the surface;
- does not hold moisture on the surface, and passes it;
- fireproof;
- Primer consumption is minimal.
Tiefengrund is a universal primer. It can be used to treat various surfaces.
It is suitable for both indoor and outdoor use. Application area:
- When creating a seamless floor.For the most part, finished parts are used for this. Suitable for plates from different materials, including plasterboard.
- It has a protective effect against moisture on gypsum details.
- Before laying all types of slabs, they must be pre-treated with a Tiefengrund primer. This will help protect them from moisture.
- For priming facades and other exterior works.
- Surface treatment before painting.
The primer is applied to the wall covering with a regular brush. It is more convenient to apply it to the ceiling with a roller. This reduces the consumption of building material. Priming should be carried out at air temperature not less than 5 ° С.
Estrichgrund
Estrichgrund is a cement primer that is mainly used for floor screed. It greatly reduces the ability to absorb moisture, and also increases the adhesion of seamless floors, especially combined ones. These are the main advantages of this solution.
Estrichgrund has a viscous consistency. Before use, it must be diluted with plain water. The proportion should be 1: 1. The surface, which has a high absorption, should be treated not once, but twice.
Application Method:
- Thoroughly clean and thoroughly dry the bases. On the treated surface should not be present household dust or paint from the old coating.
- The primer must be carefully applied with a construction brush or roller to the floor covering, and no puddles should remain.
- Leave the surface for a while to dry. It will take about a day. Be sure to ventilate the room during operation. Thus, you not only protect yourself, but also speed up the drying time.
This solution can be purchased in special plastic buckets. Their weight is 5 or 10 kilograms. Store the solution at room temperature, always in a closed container. After opening, the solution must be used within one month.
Betokontakt
If you need to treat a surface that has a low absorbency, then you need to purchase a Knauf Betokontakt primer. This polymer dispersion, which is sufficiently resistant to any alkali. It contains sand from quartz. Such a solution is suitable for use on concrete.
Specifications:
- suitable for interior work;
- alkalis have no effect on the composition;
- can be applied with a conventional construction roller or use special equipment for this;
- the solution has a pink color for more convenient application;
- it is not necessary to plant a primer, it is completely ready to use.
Apply undiluted primer to the concrete coating. If you apply it on not such dense surfaces as enamel, then you can add a little water to it - about one liter of clean water per 20 liters of primer. Use the same solution if you apply it to the surface through a special sprayer.
Dries Betokontakt during the day. The optimum temperature for fast drying is 20 ° C. Humidity should be no higher than 60%. By adhering to these recommendations, you can reduce the drying time of Betokontakt from Knauf.
It is necessary to use plaster immediately after the primer is completely dry. If you slow down a little, then household dust will settle on the material and thus the adhesion will decrease significantly.
Grundiermittel
Another Knauf alkali resistant polymer emulsion is the Grundiermittel. In its composition, it does not contain any solvents.This is one of its main advantages. Suitable for use on surfaces that have good absorption. Among them are brick and foam concrete.
Scope of Grundiermittel:
- it is used as a base for gypsum-based plaster;
- for bulk screeds;
- before laying tile.
The main advantages of Grundiermittel from Knauf:
- helps to improve adhesion;
- strengthens the surface;
- increases the ability of the material to absorb excess moisture.
Grundiermittel is produced in plastic buckets weighing 15 kilograms.
Putzgrund
Knauf Putzgrund is a dispersion that is white. It is fully synthetic and has certain pigments. This primer can be called a narrow profile. And this is really the right statement. It is used only before applying the plaster for decoration.
The main advantages of Putzgrund from Knauf:
- can be used for both internal and external works;
- resistant to water;
- helps to improve the coupling;
- breathable;
- the color of the base becomes more even.
Applying Putzgrund, watch the air temperature in the room, it should not be below 10 degrees Celsius. Mix before use.It is not necessary to dilute the primer with water. Drying will take at least 6 hours. After this time, you can continue to work.
Isogrund
Isogrund is a silicone based solution. It is used for pre-treatment of various plasters. Can be used for both old and new surfaces. Suitable for indoor and outdoor use.
Mode of application:
- The primer should be thoroughly stirred.
- Apply a roller on the base with a roller.
- After 12 hours, carry out finishing work on the surface.
Available in containers weighing 15 kg. It is quite convenient. Isogrund mixture consumption - 200 g / m2. One bucket is enough for 75 m2. It is spent quite economically.
Haftemulsion
Haftemulsion is an alkali-resistant dispersion. It is suitable for the treatment of absorbent bases. Haftemulsion is applied immediately before puttying. You do not have to wait long for the solution to dry.
Specifications:
- primer combined with alkaline materials;
- resistant to gasoline, saponification, acid solutions.
Scope of application:
- making floors from cement, such a surface does not attract dust;
- it is applied to the leveling structures, and also spackling mixtures;
- floor protection;
- element in an effective solution for concrete;
- improvement of many grout;
- used for mixed bases.
Knauf Haftemulsion is available in 5 or 10 l buckets. You can choose the most suitable option for you.
Store the solution at positive temperatures. Storage at -5 ° C is rarely allowed. This may be allowed when shipping goods.
How to choose?
Properly chosen primer provides high-quality adhesion of the base and finishing materials.
Priming the product of inadequate quality leads to cracks, peeling of wallpaper.
It is better to immediately purchase a quality solution and avoid all these troubles.
The criteria for choosing a primer from Knauf:
- Primer and material for further finishing should have the same base.
- An important criterion is the type of foundation. Solutions of deep action incorporate the smallest particles. Strengthening solutions only interact with the surface. This must be considered when purchasing.
- Firming composition can be applied on substrates that do not need any treatment. It will be more economical.
- It is necessary to determine the type of solution, while evaluating its transparency.
- For processing in rooms with high humidity should use antifungal primer.They will save the room from mold.
Review Knauf primer in the following video.