

In modern construction projects, wall plastering, grouting, and surface waterproof coating work used to rely heavily on manual operation, which suffers from slow speed, uneven coating, massive labor costs, and severe material waste. The cement plaster spray machine completely solves all these construction pain points, becoming a must-have mechanical device for construction contractors, renovation teams, and engineering companies. Also called the cement mortar spray machine, this multi-functional spraying machine can handle dozens of water-soluble construction materials, cover numerous construction scenarios, and deliver stable, high-speed spraying results. If you want to learn more, please contact YG anytime.
YG Mortar Spraying Machine Parameter
| Model | YG311 | YG318 | YG500 | YG711 |
| Greatest Pressure | 3Mpa | 3Mpa | 3Mpa | 3Mpa |
| Capacity | 3㎡/h | 3㎡/h | 3㎡-4㎡/h | 4㎡/h |
| Applicable material ratio(water, ash, sand) | 0.7-1:1:3 | 0.7-1:1:3 | 0.7-1:1:3 | 0.7-1:1:3 |
| Main motor power | 4KW | 7.5KW | 8hp/12hp | 7.5KWstrength |
| Particle Size | ≤4mm | ≤8mm | ≤8mm | ≤8mm |
| Conveying Distance | H:30m/V:20m | H:50m/V:30m | H:50m/V:30m | H:50m/V:30m |
| Hopper Volume | 60L | 80L | 80L | 100L |
| The diameter of the feed delivers the pipe | 32mm | 32mm | 32mm | 32mm |
| Weight | 200KG | 320KG | 320KG | 320KG |


6 Working Process of Cement Plaster Spray Machines
The operation flow of the cement plaster spray machine is standardized and easy to master for new workers. The whole spraying work includes six sequential steps:
- Raw Material Mixing in Standard Ratio: Prepare construction mortar following the recommended mixing proportion of cement and sand at 0.7:3. Mix water with mortar evenly to achieve suitable fluidity, and screen out large solid particles to prevent pipeline clogging during spraying. The machine supports multiple materials, including putty powder, latex paint, thermal insulation mortar, and waterproof coating.
- Material Feeding into Machine Hopper: Pour the mixed mortar into the feeding hopper of the cement mortar spray machine. The built-in spiral stirring component keeps the mortar uniform and avoids material precipitation during long hours of continuous construction.
- Screw Pump Continuous Material Delivery: The integrated screw pump delivers mortar steadily to the spray gun through delivery hoses. This screw design offers pulse-free feeding, ensuring consistent material flow without sudden surges or interruptions. The machine’s integrated pump and compressor structure guarantees stable pressure output.
- Adjust Flow Rate for Ideal Spraying Effect: Operators can turn the flow control knob to adjust material output volume, tuning the spraying thickness and coverage to match different construction requirements. This flexible adjustment function delivers a perfect coating finish for walls, ceilings, and waterproof layers.
- Multi-Angle Spraying Operation: The joint between the spray gun and the delivery hose can rotate freely in all directions. Workers can hold the spray gun to spray vertical walls, horizontal ceilings, sloped surfaces, and narrow construction corners conveniently. Besides the control panel switch, the machine is equipped with a remote control switch, allowing workers to start or pause spraying without walking back to the main unit.
- Post-Job Pipeline Cleaning & Storage: After finishing daily construction work, inject clean water into the machine to circulate and wash the hopper, screw pump, and all delivery pipelines. This simple cleaning step prevents residual mortar from hardening and blocking internal components, extending the service life of the cement plaster spray machine.
7 Features of YG Cement Plaster Spray Machine
Based on the structural design and on-site construction performance shown in the product introduction slides, the cement plaster spray machine has seven outstanding functional features that outperform traditional manual plastering tools and old spraying devices:
- Adjustable Material Flow Control: The machine is fitted with a dedicated flow regulator. Operators can fine-tune the output flow to acquire the ideal spraying thickness and surface finish for different materials such as putty, cement mortar, and fireproof coating.
- Dual Control Switch Design: Users can turn the machine on and off via the main electric control box on the equipment body, or use the matched remote control switch on the spray gun. This design saves lots of walking time and greatly improves on-site construction efficiency.
- 360-Degree Rotatable Spray Gun Connector: The connecting part between the spray gun and feeding hose supports free rotation in all angles. Workers can operate the gun flexibly when spraying ceilings, wall corners and inclined surfaces without twisting the delivery pipe.
- Ultra-High Construction Efficiency & Superior Finishing Quality: One set of the cement plaster spray machine only needs three workers to operate. It can finish 150 square meters of wall surface per hour with a 2-centimeter thick mortar layer. The machine-sprayed coating is even and compact, with strong adhesion to the base wall, effectively reducing hollowing and peeling issues.
- Compact Portable Structure & Low Maintenance Cost: The whole machine features a small, lightweight body with moving wheels installed at the bottom. It can be easily moved around narrow construction sites like basements and tunnel interiors. All spare parts are affordable, and daily maintenance steps are simple without complicated professional operations.
- Cost Saving on Labor & Raw Materials: Compared with fully manual plastering work, this spraying machine cuts labor demand significantly and lowers the waste rate of mortar materials. Contractors can save plenty of labor and material costs in long-term construction projects.
- Wide Compatibility with Multiple Water-Soluble Materials: This universal cement mortar spray machine works with dozens of construction materials: putty powder, latex paint, real stone paint, ordinary cement mortar, dry powder mortar, thermal insulation mortar, waterproof coating, fireproof coating, heat insulation materials, and sound-absorbing materials. It covers the most common surface construction materials for building projects.


8 Applications of Cement Plaster Spray Machine
Thanks to its multi-material compatibility and portable design, the cement plaster spray machine is applicable to eight major construction fields, ranging from residential decoration to large infrastructure projects:
- Indoor & Exterior Wall Plastering for Buildings: The most common application is plastering interior and exterior walls of residential apartments, office buildings, shopping malls, and factory workshops. It accelerates large-area wall construction and ensures uniform wall flatness.
- Cement Mortar Grouting & Bridge Grouting Projects: This machine can switch from spraying mode to grouting mode. It is widely used for mortar grouting work on highway bridges, viaducts, and bridge expansion joint filling.
- Waterproof Surface Spraying & Leak Repair Works: Contractors use it to spray waterproof coating on building roofs, basement walls, and swimming pools. It also supports targeted waterproof leak filling and crack repair for old buildings.
- Fireproof Coating Spraying for Industrial Structures: Spray fireproof mortar and fire-retardant coating on factory steel structures, warehouse walls, and commercial buildings to meet fire safety construction standards.
- Ceiling & High-Rise Surface Spraying: The rotatable spray gun and remote control design make it perfect for ceiling spraying work. It avoids the fatigue of manual trowel plastering on overhead surfaces.
- Landscape & Relief Coating Spraying: Landscape engineering teams adopt this machine to spray decorative relief paint, texture coating, and artistic wall paint for garden landscapes, scenic spots, and villa exterior decorations.
- Sound-Absorbing & Thermal Insulation Layer Construction: Spray sound-absorbing mortar on recording studios, cinema walls, and industrial noise reduction rooms. It also sprays thermal insulation mortar for exterior wall energy-saving renovation projects.
- Large Infrastructure Construction Projects: Suitable for construction work on dams, mountain slope protection, underground basements, traffic tunnels, factories, and large warehouses. Its compact mobile body can enter narrow underground and slope construction spaces conveniently.
Why Choose YG Cement Plaster Spray Machine? 8 Reasons
When customers search online to compare cement plaster spray machine price and spray plaster machine price, countless machine manufacturers appear on the market. YG stands out as a reliable construction machinery supplier trusted by global engineering contractors, with the following competitive advantages:
- Optimized Integrated Pump & Compressor Structure: All YG cement plaster spray machine models adopt an integrated design of screw pump and air compressor. The whole machine is compact, equipped with durable moving wheels for flexible transport between different construction zones.
- Stable Pulse-Free Screw Feeding System: YG upgrades the internal screw pump structure to deliver continuous, pulse-free mortar feeding. The material output stays steady even during all-day non-stop construction, eliminating uneven coating caused by unstable material supply.
- Multi-Functional Dual Purpose for Spraying & Grouting: Every YG cement mortar spray machine supports two working modes: surface spraying and pipeline grouting. One single machine can finish wall plastering, bridge grouting, and waterproof repair work, helping clients save procurement costs of separate devices.
- Uniform Spraying & Powerful Material Adhesion: YG’s precise pressure control system guarantees evenly distributed mortar on all wall surfaces. The sprayed layer bonds tightly with the base wall, minimizing later maintenance problems such as hollowing, cracking, and coating peeling.
- Humanized Operation Design for High Convenience: YG retains the 360-degree rotatable spray gun connector and dual remote-control switch function. New construction workers can get familiar with machine operation within half an hour without long professional training courses.
- Complete Model Range to Match Diverse Project Needs: YG supplies small portable diesel-powered models for remote construction sites without power supply, and large electric high-output models for big residential and commercial projects. Clients can select matched models based on their daily construction area and working environment.
- Balanced, Transparent Cement Plaster Spray Machine Price: YG controls production costs through standardized large-scale manufacturing. Our listed cement plaster spray machine price and spray plaster machine price have no hidden fees, and we provide detailed configuration lists for every quotation, avoiding low-price traps with inferior spare parts.
- 1-Year Full Machine Warranty & Global Technical Support: All YG spraying machines come with a 1-year manufacturer warranty covering main motor and pump components. Our professional after-sales team offers online video troubleshooting, spare parts delivery, and remote operation guidance for overseas users with no local agents.


6 Professional Cement Plaster Spray Machine Buying Guide
Before placing an order for a cement plaster spray machine, you should never make purchase decisions based only on comparing the spray plaster machine price. Follow this 6-point purchasing guide to select the most suitable model for your construction projects:
- Confirm Your Main Construction Materials & Application Scenarios: First, clarify the materials you will spray most frequently (cement mortar, waterproof coating, putty powder, fireproof paint, etc.) and primary working scenes (residential wall plastering, bridge grouting, tunnel waterproof repair). Choose a universal YG cement mortar spray machine if you need to handle multiple materials and cross-scene construction tasks.
- Check Required Daily Construction Output Capacity: Calculate your average daily construction square footage. Small renovation teams working on residential decoration can pick compact low-output models, while large construction companies undertaking commercial buildings and infrastructure projects need high-output machines to guarantee project schedules.
- Select Power Type According to On-Site Power Supply: If your construction sites have a stable commercial power supply, choose electric-powered spraying machines for lower long-term operating costs. For remote mountain, bridge, and tunnel sites without electricity access, diesel-powered portable models are your best choice.
- Focus on Anti-Clogging Structure & Cleaning Convenience: Pipeline blockage is the most common breakdown issue of low-quality spraying machines. Prioritize machines with optimized screw pump design, large-caliber feeding hopper, and quick self-cleaning circulation system to cut down maintenance downtime on construction sites.
- Compare Full Configuration Instead of Simply Checking Cement Plaster Spray Machine Price: When comparing multiple suppliers’ cement plaster spray machine prices, carefully check the complete accessory list: delivery hoses, multi-angle spray guns, remote control switches, spare screw pump cores, and maintenance tools. Some manufacturers quote ultra-low prices but cut necessary accessories, bringing extra hidden costs after purchase.
- Verify Brand After-Sales Service & Spare Parts Supply: Avoid unknown small manufacturers with no after-sales support. Choose established brands like YG that provide long-term spare parts supply, online technical guidance, and formal warranty documents. If your machine breaks down during peak construction periods, reliable after-sales service can prevent costly project delays.


6. Frequently Asked Questions about Cement Plaster Spray Machine
A: A mortar spraying machine is a high-efficiency construction equipment, mainly used for mortar spraying operations on walls, floors, expansion joints, etc., on construction sites, significantly improving construction efficiency and quality.
A: Yes, a small remote control.
A: Yes.
A: The nozzle can be adjusted.
A: No, the machine has a built-in pressure device.
A: Yes, it can be added free of charge.
A: YG provides a 1-year full machine warranty for all new spraying machines.
Cement Plaster Spray Machine-Choose YG Machinery
The cement plaster spray machine has become an essential mechanical upgrade for modern construction teams, solving multiple drawbacks of traditional manual wall plastering, including low efficiency, high labor expense, and inconsistent coating quality. When you search for competitive cement plaster spray machine price and compare various brands of cement mortar spray machine, YG stands out with reliable product quality, humanized structural design, full model options, and comprehensive global after-sales service. Choosing a YG cement plaster spray machine can significantly shorten your project construction cycle, cut long-term labor and material costs, and deliver stable, high-quality construction results for all your wall plastering, waterproof coating, and grouting tasks.
If you want to get detailed model specifications, real project construction cases, and the latest updated spray plaster machine price, reach out to YG’s professional sales team right now, and we will tailor a suitable spraying equipment solution fully matching your construction project demands.

