Looking to boost wall plastering efficiency while cutting labor costs? A high-performance mortar sprayer machine replaces slow manual troweling, delivering smooth, uniform application for wall plastering, bridge grouting, and fireproof coating. With spraying speeds up to 150 ㎡/hour, one machine allows a 3-person crew to accomplish the work of 10 traditional plasterers.
As a leading construction equipment manufacturer, YG Machinery provides heavy-duty mortar and plaster spraying systems engineered for residential, commercial, and infrastructure projects worldwide.
YG Machinery Mortar Sprayer Machine Specifications
Below is a comparison of typical models provided by YG Machinery:
| Model | YG311 | YG318 | YG500 | YG711 |
| Pressure | 3Mpa | 3Mpa | 3Mpa | 3Mpa |
| Capacity | 3 m³/h | 3 m³/h | 3–4 m³/h | 4 m³/h |
| Material Ratio | 0.7–1:1:3 | 0.7–1:1:3 | 0.7–1:1:3 | 0.7–1:1:3 |
| Motor Power | 4KW | 7.5KW | 8hp/12hp | 7.5KW |
| Particle Size | ≤4mm | ≤8mm | ≤8mm | ≤8mm |
| Conveying Distance | Horizontal 30m / Vertical 20m | Horizontal 50m/Vertical 30m | Horizontal 50m/Vertical 30m | Horizontal 50m/Vertical 30m |
| Hopper Volume | 60L | 80L | 80L | 100L |
| Pipe Diameter | 32mm | 32mm | 32mm | 32mm |
| Weight | 200kg | 320kg | 320kg | 320kg |
Applications of the Mortar Sprayer Machine in Construction
It’s highly versatile and suitable for various construction scenarios:
- Interior and exterior wall spraying
- Cement mortar grouting for bridges and dams
- Waterproof coating and fireproof spraying
- Ceiling and wall plastering
- Tunnel, basement, and slope construction
- Decorative coatings such as real stone paint and relief finishes
It can handle a wide range of materials, including putty powder, latex paint, cement mortar, dry powder mortar, insulation materials, and waterproof coatings.
Factors Affecting the Mortar Spraying Machine Price
Understanding pricing factors helps buyers make better decisions. For a detailed cost analysis and model comparison, check out our comprehensive Mortar Sprayer Machine Price Guide.
1. Capacity and Output
Higher capacity machines (like YG711) generally cost more.
2. Motor Power
More powerful motors increase performance but also raise cost.
3. Hopper Volume
Larger hopper capacity improves efficiency but affects price.
4. Brand and Quality
Reliable manufacturers like YG Machinery ensure better durability and after-sales support.
5. Application Scope
Machines designed for multi-purpose use often have higher value
Mortar Spraying vs. Hand Troweling
Choosing machine spraying over traditional hand troweling dramatically improves construction speed, plastering quality, and site efficiency. Below is a direct comparison between the two methods:
| Feature / Metric | Machine Mortar Spraying | Traditional Hand Troweling |
| Speed & Efficiency | High (Up to 150 ㎡/h with 3 workers) | Low (Approx. 15–20 ㎡/day per worker) |
| Labor Requirement | 2–3 operators per crew | Large crew needed for heavy output |
| Adhesion Strength | High impact pressure ensures strong wall bonding | Variable adhesion, higher risk of hollow walls |
| Coating Uniformity | Smooth, consistent thickness, zero pulse | Dependent on individual worker skill |
| Material Waste | Minimal rebound and precise flow control | High material loss during manual application |
| Project Timeline | Shortened by up to 60%–70% | Extended timelines due to heavy labor intensity |
Key Features of Cement Mortar Spray Machine
It offers several advanced features that improve construction efficiency:
1. Adjustable Flow Control
Users can adjust the flow rate to achieve the best spraying effect.
2. Remote Control Operation
In addition to the control box, the remote control allows more flexible operation on-site.
3. 360° Rotatable Spray Gun
Improves ease of operation and spraying precision.
4. High Efficiency Output
One machine with three workers can complete up to 150㎡/hour (2cm thickness).
5. Compact Structure
Small size and lightweight design make transportation and on-site movement easier.
Performance Advantages of Cement Plaster Spray Machine
It stands out for its performance advantages:
- Integrated pump and compressor design for easy mobility
- Continuous feeding system with no pulse phenomenon
- Uniform spraying with strong adhesion
- Multi-functional use (spraying and grouting)
- Reduced material waste and labor cost
These features make it an ideal choice for contractors aiming to improve efficiency and reduce project timelines.
Mortar Sprayer Machine Maintenance & Care Tips
Proper maintenance is essential to ensure the long-term performance and stability of a spray plaster machine. Regular cleaning after each use is highly recommended, especially for pipelines, spray guns, and hoppers, to prevent material blockage and ensure smooth operation.
Operators should also routinely check key components such as the motor, hydraulic system, and seals to avoid unexpected downtime. Lubricating moving parts and inspecting wear-prone components like hoses and nozzles can significantly extend the machine’s lifespan.
For equipment like a cement mortar spray machine or cement plaster spray machine, using the correct material ratio and avoiding oversized particles (beyond recommended limits) is critical to prevent internal damage.
YG Machinery provides professional technical support and easy-to-replace spare parts, helping users reduce maintenance costs and improve operational efficiency over time.
FAQ: Mortar Sprayer Machine Buying Guide
1. Can a spray plaster machine handle different materials?
Yes, most machines can handle multiple water-soluble materials, but compatibility depends on particle size and viscosity.
2. What maintenance is required for long-term use?
Regular cleaning after use, checking hoses, and lubricating moving parts are essential to maintain performance.
3. How does spraying thickness affect performance?
Thicker layers require more power and may reduce spraying speed, so proper adjustment is necessary.
4. Is operator training required?
Basic training is recommended to ensure safe operation and optimal spraying results
5. What power supply is needed?
Most machines use electric motors, but some models support diesel engines for remote sites.
6. Can the machine be used for decorative finishes?
Yes, it is suitable for decorative coatings such as textured paint and relief finishes.
7. How do I choose between different models?
Consider your project scale, material type, and required output capacity.
8. What are common mistakes when using a sprayer?
Improper material mixing, incorrect pressure settings, and a lack of cleaning can affect performance.
Conclusion on Mortar Sprayer Machine
Choosing the right spray plaster machine is essential for improving construction efficiency and ensuring high-quality results. With advanced features, flexible applications, and reliable performance, these machines are becoming indispensable in modern construction.
YG Machinery provides high-quality solutions tailored to different project needs, helping contractors achieve better productivity and cost savings.
Contact YG Machinery today to get the latest price and professional recommendations.
