Wall plastering spray machine

Types of wall plastering spray machines

A wall plastering spray machine is a powdery material spraying equipment used for the internal and external finishing of walls and ceilings. There are different types of spray machines for plastering walls depending on their use and design.

• Air compressor spray machine

  The air compressor spray machine uses compressed air to spray a mixture of plaster and air onto wall surfaces. It comprises a spray gun and a compressor that creates and propels the plastering material. The air compressor spray machine is lightweight, easy to carry, and compatible with standard compressors. It is used for small to mid-sized projects where access to electricity cannot be guaranteed. Although it has less production power than electric machines, its versatility and affordability make it popular with contractors.

• Electric spray machine

  The electric spray machine is powered by an electric motor. It uses a hopper to distribute the plastered material onto wall surfaces with a uniform consistency. The electric spray machine doesn't require additional equipment like an air compressor for it to work. It is efficient for larger jobs with less plastering time. The electric spray machine is a better option for consistent power output, higher production rates, and less physical plastering effort.

• Skim coat plaster spray machine

  The skim coat spray machine applies a thin layer of skim plaster to achieve a smooth surface finish. It works by mixing plaster with the right amount of water and applying it to the prepared surface with a spray nozzle. The skim coat spray machine has a hopper and adjustable spray patterns. It can cover more plastering area in less time than manual plastering. The machine needs little skill and produces uniform plastering results.

• Damp-proof plaster spray machine

  The damp-proof spray machine offers a consistent plastering application and is used mainly in wet conditions. It provides a rapid coating solution to form barriers against water ingress to minimize moisture-related issues. The machine prevents the elongation of plastering time and the uncertainty of material usage. It has a uniformity feature that helps minimize material waste and ensures job site efficiency.

• Texture spray plaster machine

  The texture spray plaster machine creates decorative finishes by spraying plaster with textured additives. It works by applying the plaster to achieve texture patterns like knockdown, slap brush, and splatter. The texture spray machine offers architectural detailing and enhances aesthetics to residential and commercial buildings. It is cost-effective, saves time, and improves consistency and accuracy to achieve the desired textured pattern.

• Multi-finish spray plaster machine

  The multi-finish spray machine produces a polished, smooth surface ready for painting or finishing. It works by applying a thin coat of multi-finish plaster that contains gypsum and sand. The machine is versatile for new construction and renovation projects and improves accuracy, efficiency, and cost-effectiveness.

Specification and maintenance of wall plastering spray machines

Specification

• Maximum flow rate: The machine's flow rate will determine the plastering capacity. For example, a spray machine with a maximum flow rate of 6 L/min can spray the entire backlog of 2,000 liter bags in one month.
• Air compressor power: For instance, the C.A.U. 3-Phase Compressor is equipped with a 55KW electric motor. It is a dual parallel air compressor that consists of a stand-up motor of 40HK and a prone motor of 15HK. It can satisfy the requirements of a wall plastering spray machine, especially those with a spray pump capacity of 2,000 to 1,500 liters.
• Spray capacity: A pressure spray machine with the same height can have different spray capacity. For instance, the spray capacity for a pressure spray machine in this catalog is 18L/min, and it can apply about 5,000 square meters in a day. The plaster command spray pressure is about 35bar (500psi), and the compressor pressure is about 7bar (100psi).
• Spraying nozzle: is a tiny opening or aperture within the sprayer that regulates the size and rain of the mist produced. For example, the nozzle size 515 (0.015") is ideal for applying plaster and thinned joint compound.

Maintenance

Before cleaning, first, dispose of any leftover gg plaster, water, etc., in a bucket. The next step is to fill a bucket with water, and after that, the water bucket should be put into the hose to begin cleaning. The machine can be cleaned by spraying clean water through all the spray parts and hoses using a spray of any residual material.

The water change is required after cleaning the filter at the bottom. The filter can be cleaned with a cloth and a bucket, as it is plastic and can be used for some time.

The air compressor of a wall plastering spray machine needs to be greased after every four days of use. The application gaskets need to be checked to see whether they need to be replaced after every 200 hours of usage or immediately if there are leaks.

Scenarios

The wall plastering spray machine can be used for several applications in the construction industry, including the following:

• Plastering Walls of New Buildings

  Using the spray machine simplifies the plastering process, saving time and labor. The even dispersion of material improves the efficiency of the construction process, resulting in more rapid completion of projects.

• Renovation and Remodeling Projects

  Whether for filling cracks and defects or creating textured surfaces and applying decorative coatings, plastering spray machines can be helpful in various plastering tasks.

• Construction of Fireproofing and Insulation Layers

  Plastering spray machines apply fireproof, insulating, or soundproof materials to walls and ceilings quickly and uniformly.

• Applying Decorative Plaster Coatings

  Spray machines can be used to apply decorative plaster coatings, such as stucco or Venetian plaster, evenly and efficiently.

• Applying Coatings to Unconventional Surfaces

  Applying plaster to unconventional surfaces, such as curved or vaulted surfaces, is simplified by the machine's adaptability. Furthermore, it reduces the necessity for manual skill and enhances the uniformity and precision of the application.

How to choose wall plastering spray machines

Consider the following factors when selecting a spray plaster machine for wall rendering.

• Material Compatability

  Ensure the machine can handle the materials. Consider the composition, viscosity of the material, and the plastering machine's feeding mechanism and pump.

• Machine's spraying capacity

  Opt for a spray capacity suited to the project's scale. Factor in productivity requirements and consider the machine's maximum throughput and adjustment options.

• Surface finish requirements

  Choose a spray plaster machine that ensures the desired surface finish. Consider its spray pattern flexibility and nozzle options to achieve the required texture or smoothness.

• Project's scale and scope

  For small-scale projects, consider machine portability and ease of use. Focus on compactness and lightweight design for multi-projects. Large-scale projects require efficiency and time-saving features, such as automated plastering processes.

• Power source and capacity

  Select an appropriate power source, such as electric, gas, or air compressor, to ensure functionality at the job site. Consider the power output and capacity necessary for consistent machine operation.

Remember to also train the operators on how to use and maintain the machine properly. A well-trained crew can help improve the final work and reduce the machine's wear and tear over time.

FAQ

Q1: How long does it take to plaster a wall with a spray machine?

A1: The time taken to plaster a wall using a spray machine varies depending on the size of the wall and the level of expertise. In general, it can take 10 to 30 minutes for each coat.

Q2: How much spray plastering should one do in a day?

A2: The amount of spray plastering one can do in a day varies depending on the wall area, the level of expertise, and the spray machine's capacity. On average, one can spray 100 to 200 square meters in a day.

Q3: What is the ratio for spray plastering?

A3: The ratio for spray plastering varies depending on the mix and surface. For most surfaces, a ratio of 1:4 to 1:6 is recommended, with one part cement and four to six parts sand.

Q4: Is spray plastering cheaper?

A4: Spray plastering is more affordable than traditional plastering methods. It uses less material, reduces labor costs, and increases production.