Plastering mixes Knauf Rotband: Specifications and varieties

KNAUF “ROTBAND” – plastering mixture based on polymers. In the Russian market, it appeared in 1993, but before that, about 30 years was widely used in Europe.

Main functions

As building materials, this plaster mix of universal. For the most part, used to align the surfaces of concrete, cement and stone. Can become an assistant when working with plasterboard. Recommended for use for internal works. Outdoor decoration can be used in order to insulate houses and cottages and protect them from aggressive climatic conditions.

Performs three basic functions.

  • Technical. As a result of the use of the mixture, the coating becomes perfectly smooth, which allows subsequent finishing works on it.
  • Protective. Supports the required temperature inside the building and protects against excessive humidity.
  • Decorative. Helps create aesthetic forms.

Compound

ROTBAND is a plaster mixture based on polymers. Due to their content, a sufficiently high adhesiveness of plaster with other materials is achieved. Also the composition includes some natural additives, due to which its color changes.

The main colors of the stucco “Rotband” – gray, white and pink. It should be noted that the quality of the composition does not depend on its colors.

An important point during work with this material is its shrinkage after drying, which is characteristic of all gypsum compositions. Therefore, during application it is worth doing a small stock.

The mixture is packaged in packing at 5, 10 and 30 kilograms, which is very convenient for the consumer.

Views

Plastering mixtures differ in different parameters, one of them – the method of applying.

Among them are distinguished:

  • Mixes for manual use;
  • Machine use mixtures.

Most Knauf mixes are oriented for manual use. The most famous product is KNAUF “ROTBAND”.

This mixture is universal, combined almost with any type of surface. It can be used to finish the walls and ceiling. It has excellent moisture resistance, which makes it topical use in bathrooms. It is recommended to use the “ROTBAND” plaster solely for interior decoration.

In addition to it, KNAUF “Goldband” is popular for internal works and solid surfaces, the starting plaster for aligning the HP Start coating, the plastering mixture of KNAUF “Sevener”, designed for both internal and outdoor decoration, Knauf “UBO “Presented as a mixture” Boden “10, 25 and 30 for a cement tie.

Under the brand name Knauf, a special plaster MP 75 is produced, which, unlike “Rotband”, is designed for machine use.

The main difference of machine plaster – the rate of application and economy of composition.

The layer is usually superimposed with a thickness of no more than 20 millimeters. Mixtures of this species can be used manually, but due to the more liquid consistency of the material it is not too convenient. The compositions that are applied by hand are categorically prohibited to use when working with a special machine.

Manual stucco is applied to a thicker layer – up to 50 millimeters. This mixture is more thick, which does not allow it to be used in combination with the machine, as it clogs the channels and other elements of the device that can break from it.

In the range of KNAUF companies presented putty materials. They are used before finishing surface. KNAUF “ROTBAND” putty is universal, it consists of plaster and natural materials. Applied in rooms with high humidity.

Masonry mixes, ties, KNAUF adhesives have long gained popularity and are widely used in construction and repair work.

Colors

Before buying a plaster mix, you need to choose a shade that you need. Information about the color of the composition is not always indicated on the label, but it can be calculated according to the manufacturer’s factory. Gray mixes are produced in Krasnogorsk, pink – in Kolpino and Chelyabinsk, and white – in the Astrakhan region and Krasnodar Territory.

It must be remembered that the properties of the finished mixture depend on the color.

White and gray stucco “Rotband”, unlike pink, can flock over the surface. This is explained by a larger rose grain. If you do not plan to use a putty before sticking the wallpaper, it will be advisable to level the walls with a white or gray mixture.

Thickness of layers

The layers of the plaster mix must be superimposed by a minimum thickness of 5 millimeters. The optimal size is 10 millimeters, which can increase if necessary. When finishing the walls, the maximum layer thickness is 50 millimeters, when finishing the ceilings – 15 millimeters.

If the thickness of the plaster layer is required, the second layer is applied after the first will be dried and progressed. Plastering mixtures “Rotband” have a good compiler with brick, concrete, wood and drywall.

Characteristics

Plastering mix “Rotband” can absorb excess moisture. It is well tolerated low temperatures, vapor permeable, moisture resistant. The composition has a low thermal conductivity.

Her characteristics:

  • layer thickness – from 5 to 50 millimeters;
  • Dry composition consumption at a layer of 10 millimeters is 8.5 kg per 1 m2.;
  • From the packaging weighing 30 kilograms, it turns out a little more than 35 liters of solution;
  • The ripening time of the solution is 10 minutes;

  • A layer of 10 millimeters thick dries at about an hour;
  • a set of complete strength occurs in 24 hours;
  • The density of the dry mixture is 730 kg per 1 m3;

  • The graininess can reach 1.2 millimeters;
  • shades of composition – gray, white, pink;
  • Shelf life is six months.

Where applies?

The mixture “Rotband” is made on the basis of gypsum, therefore it is used when working with walls and ceilings indoors. Resistant to a wet environment, so it can be used in rooms such as bathroom, basement and others. For street work, it is necessary to use materials on a cement basis.

Coatings with which this product is combined, quite a lot. This, for example, concrete, brick, stone, aerated concrete, cement, plasterboard and others.

Preparation and work

When preparing a plaster mix, it is necessary to take into account that it dries quickly, so it is necessary to intervene the quantity that can be used over this time. At full drying should be allocated for about 2 days.

When using a mixture, the temperature in the area of ​​work should not be descended below +5 degrees. Direct sunlight hit are recommended to eliminate. You also need to check the absence of drafts and day after not to air the room.

The mixture should be gradually filled in cold water. For mixing, it is advisable to use a plastering mixer.

Consistency should be uniform and without lumps. After this mixture, you need to brew about 5 minutes. If necessary, you can add more water.

Next, the solution is applied to the surface with a layer with a thickness of 5 to 10 millimeters with movements from top to bottom. An hour after hardening the composition, it must be aligned with a metal spatula to the formation of a smooth coating. 15 minutes after this, the treated surface must be slightly sprinkled with water and wipe the grater, deleting defects. As soon as the plaster becomes matte, it is loaded with a spatula. If a relief is needed or a pattern, an unpleasant coating is processed by a roller or a rigid vice brush.

Pros and cons

Gypsum is a flexible and sufficiently soft material with which it is convenient to work. The undoubted advantage is that the surface treated with a mixture of Knauf “Rotband” is not required to spit. It is resistant to the formation of cracks, quite economical in use, is able to regulate moisture indoors, environmentally friendly and safe.

With proper application, the composition does not give a detachment and does not appear. The wall is flat and smooth.

In this mixture has some drawbacks. It is not as strong as cement, does not have an anti-corrosion effect – metal fasteners with time rust. In addition, Knauf “Rotband” does not apply to the number of cheap building materials. However, the high quality of this composition and its positive characteristics with more than compensate for the shortcomings.

The main thing is to acquire exactly the mixture that is necessary for a certain type of work, make sure the integrity of the packaging and that the material is not overdue and quality.

Reviews

Plastering mixture of Rotband is made at Russian plants in German technologies. Original quality products have no negative reviews. Domestic analogues of the mixture are made of magnitude cheaper, but they do not meet the declared specifications.

When buying a mixture is not in proven branded shops, but in the markets and private owners it is impossible to ensure that you will get the original product. Counterfeit products are not distinguished by high quality, although externally can have distinctive brand signs, such as logo and instruction. The main guarantor of this product from the manufacturer is a proven supplier.

About how to align the walls of the Knauf Rotband plaster, look in the following video.

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