Plaster plaster "Rotband" canused for decoration of walls and partitions made of any material. Excellent adhesive quality, a high degree of plasticity, ease of application - all this makes it extremely popular in the domestic market.
Manufacturer
Rotband gypsum plaster is made,the technical characteristics of which will be discussed below by several Russian enterprises with the involvement of the capital of the German company Knauf. Hence its double name: “Rotband Knauf”. By production of this universal mix only the most qualitative materials are used and all put technologies are carefully observed. The composition was developed by specialists of the company "Knauf". For the manufacture of this mixture is used mainly gypsum. Also, it contains special polymer additives.
It is packaged in paper multilayerbags of 5, 10, 30 kg. The last option is the most common and popular. On the packaging is applied brief instructions for use. Handles must be handled with care. Despite the multi-layered, due to the significant weight of the plaster to tear them very easily.
Plaster "Rotband": technical characteristics
As already mentioned, plaster appliedplaster "Rotband" can absolutely on any surface: block, brick concrete. Very often, it is trimmed with walls insulated with polystyrene foam or thick mineral wool. According to the manufacturer’s recommendations, “Knauf” should be applied with a layer not less than 5 mm thick and not more than 50 mm thick.
Its adhesive properties are very high - 0.5 MPa.The shelf life of the dry mixture is six months. It can only be used for interior walls. Outside the buildings, only cement mixes are used. From the table below, you can find out what other properties different Rotband plaster.
Grit ready mix | Up to 1.2 mm |
Consumption | 8.5 kg / m2 |
Time of full maturation of the applied layer | A week |
Compressive Strength | 2.5 MPa |
The recommended time of use of the finished solution | 20-25 min |
Ready mix yield | From 100 kg dry - 120 kg |
Colour | White, gray or pink |
Working temperature | 5-30 degrees |
Drying time 10 mm | 45-60 min |
Thermal conductivity | 0.25 W / mK |
Main advantages
The advantages of the Rotband plaster, the technical characteristics of which, as you can see, are excellent, in addition to the excellent adhesive properties and plasticity, include:
- Low consumption. To finish its walls will need much less than the cement mortar (2-3 times).
- The ability to retain water very well.
- Ecological safety.
- The ability to "breathe."
- Incombustible. Very often, Rotband plaster is used to protect expanded polystyrene in rooms with an increased risk of fire.
Which option is better mix shade
The shops sell pink, white and grayplaster "Rotband". The technical characteristics of this tool, according to the manufacturer, do not depend on the color. However, many experts working with this plaster, argue that its pink version has the best plasticity. When applied in a thick layer, this solution drains less from the wall. The white and gray varieties are more suitable in the event that in the future it is supposed to stick wallpaper on the wall without using putty.
The dissimilarity of plaster properties of different colors is due to different grain sizes. In white and gray mixtures it is very small (0.5 mm). In pink - large (up to 1.2 mm).
How to find out exactly which bag is ingypsum plaster "Rotband"? Specifications on the package are indicated. But the color, unfortunately, is not. However, you can try to determine it by manufacturer. For example, white plaster is produced by such companies as KNAUF GIPS Baskunchak and KNAUF GIPS Kuban. Gray - KNAUF GIPS, pink - KNAUF GIPS Kolpino and KNAUF GIPS Chelyabinsk. Find out the color of the manufacturer can be quite accurate. But sometimes this method still does not work. Therefore, when buying a product about color, it’s worth asking the seller.
How to make a batch
To make a solution of plaster "Rotband" is very simple.For one bag (30 kg) you will need to use 18 liters of water. Of course, you do not need to knead the entire dry mix right away. Plaster "Rotband" (technical specifications can be found in the table above) very quickly freezes.
При приготовлении раствора на две части сухого Powder usually take three parts of water. Mixing should be done in a container without corners. In this case, the finished composition will be more uniform. Usually for this purpose a bucket from under the aqueous emulsion ink is used. First, water is poured into it, and then 5-6 dry plaster trowels are laid. Next, you need to mix thoroughly until a homogeneous composition. After that, add the remaining dry mixture to the bucket and mix again. It is best to prepare the solution with a drill with a special nozzle.
It is necessary to mix the mix "Rotband" only in puretare The tool is very high quality - "Knauf Rotband." Specifications allow you to make from it even thin layers of 3 mm (although this is not recommended by the manufacturer). However, the presence of any impurities can significantly degrade the properties of the mixture. Therefore, the solution should be prepared in a very clean container. Tools should be washed immediately after preparation of the mixture. Rotband plaster stiffens very quickly. Before using the mass stand for 5 minutes.
Prepare the solution should immediately necessaryconsistency. After the start of the finishing procedure, pour plaster into it or do not add water. It is not allowed to add any foreign components to the mixture. If you do everything according to the rules, you will have a very high quality plaster mix “Rotband”, the technical characteristics of which will allow you to achieve a stable, even cracking layer on the wall or ceiling.
Preparatory work
Before applying the Rotband plaster wall needclean thoroughly from dirt and dust, as well as remove residues of wallpaper, plaster, etc. All surfaces must be clean and dry. Aerated concrete, brick or gypsum fiber, because they absorb water very well, you must first be primed. For this you can use, for example, grundmitmittel from the same "Knauf".
Smooth concrete surfaces are usually treatedconcrete contact. This makes it possible to increase the adhesion between the wall material and the plaster. In this case, it is also recommended to use the “Knauf” product. Before applying the plaster primer or concrete contact must dry very well.
Methods of application
Putty "Rotband" technical characteristicswhich is much better than many other domestic plasters, differs in including a very high degree of plasticity. Therefore, it can be applied absolutely on any technology. The most commonly used beacon method. In this case, strips of the prepared solution are applied on walls with a pitch slightly shorter than the length of the rule. Further, special thin profiles are pressed into them. After hardening the mixture proceed to the walls. To do this, throw the solution between the profiles with a trowel and level it with a rule.
Sometimes it is required to apply to the walls or ceiling.second layer of material. In this case, before the surface hardens, it passes through a special plastering comb. It is possible to apply the second layer not earlier than 24 hours after the first.
Knauf Rotband plaster, technicalthe characteristics of which are actually quite good, gives a very smooth surface. However, it is still better to even wall the walls with a metal rail. Conduct this operation about an hour after application. Under the wallpaper or staining the surface of the wall is treated with grout.
Structuring Plaster
To get more interestingthe surface, before the deposited layer hardens, you can walk on its surface with a trowel or a hard brush. A very interesting texture is also obtained when using a special relief roller. You can buy such a tool in any building supermarket.
Requirements for tools
This is how they work with the Rotband tool.The technical characteristics (GOST 31377-2008 for gypsum plasters by the manufacturer are fully observed) allow using absolutely any tools during its application. It can be not only a rule and a trowel, but also ordinary spatulas of different lengths. To align the corners, a special tool of a special shape is usually used. Ceilings are most often plastered with a construction falcon.
Grout can be made independently, toFor example, cutting off a wide piece of foam packaging for household appliances. Finishing of the top of the walls and ceiling is usually done either from a stepladder or from a special repair table.
How to store dry mix
Bags with plaster "Rotband" necessarilyshould be brought into the room. This may be a garage, senets or hozblok, as long as the air there was dry. Otherwise the mixture will catch in lumps. Put the bags best on a wooden pallet. In the damaged container to keep the dry mixture can not.
Plaster "Rotband" technical characteristicswhich allow to judge it as one of the best, can be used for processing walls in any premises. This tool is cheaper than many foreign analogues, but its quality is simply excellent. All this explains his extraordinary popularity.
