Machine plastering of walls, application method

The use of machines to plaster walls is becoming more and more common as a quicker and more effective substitute for manual plastering. Plaster can be applied more evenly and quickly with the use of specialized equipment, saving time and effort in the process of creating a polished, smooth surface.

Larger surfaces are especially benefiting from this technique, as manual application can be laborious and physically taxing. Even on difficult surfaces, you can guarantee reliable coverage and a superior outcome by employing a machine.

This post will guide you through the machine plastering process, covering everything from the supplies and equipment needed to the detailed instructions on how to complete the work correctly. Mastering the fundamentals of machine plastering can help you save time and enhance the quality of your work, regardless of whether you’re a professional contractor or a do-it-yourself enthusiast.

In comparison to traditional hand application, machine plastering of walls offers a smoother finish and more consistent coverage while also speeding up and simplifying the plastering process. This method saves labor time and ensures a uniform layer of plaster by mixing and spraying the material onto walls using a plastering machine. It’s an effective way to get professional results with less work for both small and large-scale projects.

Equipment to help.

Many types of machine plastering equipment are available on the market today. You have the option of selecting equipment that is bigger or smaller, with varying power and technical features. For machine plastering and operating compact samples, only one person is required.

Putzmeister, Kaleta, and PFT machines are particularly popular in Russia. Their weight ranges from one hundred to two hundred and eighty kilograms, and their capacities differ slightly. The largest specimens are able to apply insulating plaster and mortar for masonry in addition to applying the plaster mixture and forming self-leveling floors.

Plastering machines typically enable you to prepare solutions with various compositions, such as lime, gypsum, and cement plasters. Under a fur coat, there is a machine that applies plaster. And models that "can" paint in addition to plastering. Occasionally, the kit includes a plastering grouting machine.

For all, the basic idea is pretty much the same. A special container is first filled with a dry mixture and water. Thirty to seventy-five kilograms of mixture can be stored in the bunker. The power and water supplies are already linked to the plastering machine. You can take a pump, which can pump water from an independent container and is attached to the machine.

The device is programmed with the component ratio, which results in a solution with exact specifications.

An improvised plastering machine is occasionally utilized. Making such a plastering machine by hand is possible if you follow the advice of traditional craftsmen.

Preparatory stage.

Preparatory work comes before plastering. Initially, you must clean up any drips and scrape off the remaining old coating from the surface. One option is to use a plaster removal machine.

If there are any metal elements on the walls or ceiling, they are protected with an anti-corrosion coating. Then it is important to blow off construction dust from the surfaces so that it does not interfere with the adhesion of the solution to the wall in the future.
Then measure the curvature of the walls, this allows you to understand what layer of mortar will be needed in different areas. A building level is used. Having installed construction beacons in the outer corners of the walls, take measurements.
Before applying gypsum machine plaster or other, prepare the solution. To do this, pour the dry mixture into an electric mixer and mix thoroughly at high speeds. The result is a solution of uniform consistency, which undoubtedly improves the quality of work. And the finished coating layer becomes more durable and long-lasting.

The speed at which the solution is prepared also helps with this. On the other hand, manual application requires time and negatively impacts the process as a whole. The plaster that has already been applied dries quickly while the master mixes the mixture, resulting in areas that dry to very different degrees.

Additionally, you can achieve uniform consistency throughout the solution by using the mechanical method, which is crucial for the coating’s quality.

The surface is primed with the proper kind of primer prior to plastering. If the walls are to be leveled at the corners, a specific mixture is used to fix the corner profiles. It is advised to use a thin, centimeter-by-centimeter reinforcing construction mesh at the joints of walls composed of different materials, such as gypsum board and brick or concrete and brick.

Work control.

It is possible to work at temperatures as low as +5°C and as high as +30°C. The surface is leveled once the solution has been applied evenly. For this, specific tools are utilized. Trowels, big spatulas, and rules are used for leveling.

To make the surface as even and smooth as possible, it is thoroughly rubbed. The solution must now dry. The master is working on something else in the meantime.

With a building level, the final coating’s levelness is assessed. It is crucial to evaluate the quality of each newly installed wall section while the work is being done.

The final step involves leveling out any small bumps and rough spots with a specialized sponge.

The mixture dries fully in the amount of time specified on the package. But this period lengthens if the room’s humidity level is high.

Mixture with air.

Following thorough mixing, machine-applied gypsum plaster or another material starts to pressurize the wall surface through a hose as compressed air from a compressor acts upon it. Utilizing specialized nozzles, the process is accelerated.

Depending on the machine’s model, the solution can be delivered anywhere between ten and fifty meters away. Such a device can apply two to twenty liters of the mixture to the wall or ceiling for an hour. The strongest machines, which are used to apply stucco using a machine method, can handle record volumes of up to sixty liters.

It is advised to keep a plastering gun in operation, along with the machine that supplies the mixture, twenty to thirty centimeters away from the surface that will be covered. It has an inclination of 90 degrees.

Apply the solution to the wall or ceiling plane after the corners have been completed. They track in this instance from top to bottom, slightly overlapping the top strip as they go, forming the next "passage" of the solution. The task is completed in lanes, making sure to "overlap" one task with another. Increase the gun’s speed if a thicker layer is required; decrease it if a thinner layer is needed.

Final stage.

Using wide spatulas and rules, the mixture is leveled. After the solution has set, this is completed.

First, a rule is applied to eliminate the excess. For this, a spatula can be used as well. The instrument is firmly pressed from top to bottom against the wall or ceiling. A straightforward method to determine if the mixture has set is to slightly trim the solution and check to see if the mass stretches behind the spatula. You can trim it if this doesn’t occur.

A one to two millimeter variation in the layer’s thickness per two linear meters on the wall surface is thought to be typical.

After approximately thirty minutes, you can grout the wall and lightly moisten it with water to further enhance the smoothness of the surface. This is done using a plastering grouting machine.

The general algorithm of actions for machine plastering is as follows:

• study the instructions for using the machine;
• conduct several tests: apply the mixture to the wall in a small area, experimenting with the speed and force of its supply; record how much time is required to mix the solution, and how long it can retain its properties, without drying out, while the machine is working;
• you can start working;
• after completing the application and leveling of the mixture, use a grinding machine for plastering.

Special composition.

A particular combination must be used when plastering walls by machine. It can be applied to a variety of surface materials. This method can be used to cover walls made of plasterboard, brick, concrete, reinforced concrete, aerated concrete, and cellular concrete.

Plaster, for instance, can be used for "Knauf" machine application. "Volma Sloy" machine-apply plaster is also appropriate.

Machine-applied cement plaster, which primarily consists of cement and sand, is used for facade work. Inside buildings, machine plaster is typically utilized.

Manufacturers use special substances, such as additives and hardeners, to achieve higher quality. They keep it from cracking and aid in achieving a more uniform appearance after drying. Plastering is done with a plastering machine for an even better outcome.

Crucial point: you should only select a mixture made especially for machine plastering walls.

Coating quality.

Because the mixture is applied to the wall under pressure and sticks to it tightly, this method also produces coatings of a higher caliber. Adhesion increases in degree. This indicates that the completed plaster will adhere strongly and not flake off.

Utilizing a quicker technique than applying the mixture by hand allows for the use of larger and longer spatulas. This enables you to level out the wall, which is crucial when applying ceramic tiles as a final touch.

The economy is in the black.

Compared to traditional manual application, this method uses less of the mixture. When applying plaster by machine (gypsum or another type of solution) by hand, one layer typically requires sixteen kilograms per square meter. Using the automated approach—roughly thirteen. Taking into account that machine plastering typically involves three layers, the savings per "square" can reach nine kilograms.

The solution is heavily saturated with air bubbles when mixing with an electric mixer, which produces such an impressive effect. Its volume rises as a result.

Specialized companies offer machine plastering for purchase. The thickness of the coating layer affects the cost of the work. As a result, a Moscow-based company offers to plaster walls for between 515 and 535 rubles per square meter at a thickness of 20 mm. Depending on the surface area, the services will cost 860–880 rubles per square meter if you require a layer of forty to fifty millimeters.

The costs go up if you want to level the room’s corners. The cost of forty to sixty millimeters of plaster per square meter is between 900 and 930 rubles. It will need to be purchased separately.

In a fraction of the time it takes to plaster by hand, machine plastering is an efficient and effective way to achieve a smooth, even finish on walls. This method is favored for large-scale projects because it guarantees consistent coverage and expedites the process.

Plaster is applied uniformly throughout the wall’s surface using specialized equipment, lowering the possibility of human error and producing a finish of expert caliber. This approach is especially useful for new construction or renovations where accuracy and timing are crucial.

All things considered, machine plastering is a wise decision for people who want to save time without sacrificing quality. Whether you’re working on a big commercial building or a small residential project, this method can help you complete the task quickly and painlessly.

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Machine Plaster. Application technology. Types, advantages, nuances. – BLOG #34