A wall mortar cement spray plaster machine pumps and applies cement mortar, lime plaster, and thermal coatings onto vertical masonry walls. Built to replace manual troweling, this heavy-duty unit uses high-pressure screw pumps to drive wet mortar through hoses, atomizing it at the nozzle with compressed air for tight wall adhesion. YG Machinery engineered this high-output spraying equipment to deliver up to 7.5 MPa pressure and 60-meter horizontal reach while reducing jobsite labor costs significantly.
Integrated electric or 12 HP diesel drives power wear-resistant rotor-stator pumps to handle continuous daily output. The high-velocity impact drives wet mortar deep into brick seams, eliminating hollow spots and keeping material waste under two percent.

Start Your Project with the Right Equipment
5 Structural Advantages of an Automatic Wall Mortar Cement Spray Plaster Machine
- High Horizontal & Vertical Delivery: Pumps heavy mortar up to 60 meters horizontally and 30 meters vertically to eliminate manual material hauling.
- Versatile Grain Passage: Accommodates aggregate particle diameters up to 10 mm in specialized diesel configurations.
- Flexible Power Options: Operates on standard 380V three-phase electrical power or independent 12-horsepower diesel engines for remote jobsites.
- High Working Pressure Capability: Delivers stable pumping pressures from 3 MPa up to 7.5 MPa to ensure uniform material atomization.
- Rugged and Portable Chassis: Features heavy-duty steel wheels and compact frame dimensions for fast relocation across crowded work sites.
Selecting a high-pressure mechanical sprayer eliminates the application inconsistencies common with traditional manual plastering. The continuous motor drive feeds material evenly to the spray gun, allowing operators to adjust layer thickness between 5 mm and 30 mm in a single pass. Operators control material flow rates directly at the nozzle valve, ensuring precise application across smooth concrete or rough brick walls. This steady delivery prevents surface slump and protects structural integrity over long operational shifts.
Additionally, the streamlined hopper design allows site workers to dump premixed mortar directly from mobile mixers without clogging the intake grid. Quick-release hose couplings enable rapid cleaning and maintenance at the end of each shift. Your workforce spends less time assembling equipment and more time applying finished plaster efficiently.
What Factors Determine the Overall Mortar Spraying Machine Price Evaluation?
Evaluating equipment costs requires analyzing motor wattage, pressure ratings, conveying height capabilities, and chassis build quality against long-term site efficiency gains. Purchasing directly from an established equipment manufacturer eliminates middleman markups while guaranteeing access to high-grade replacement parts.
| Technical Parameter | Model YG-311 | Model YG-511 | Model YG-711 | Model YG-Diesel |
| Operating Voltage | 380V | 380V | 380V | Diesel Engine |
| Motor Power | 4 kW | 7.5 kW | 3 kW | 12 Horsepower |
| Max Particle Size | ≤ 4 mm | 3 – 4 mm | Standard Mortar | ≤ 10 mm |
| Pumping Pressure | 3 MPa | 6 MPa | 7.5 MPa | 6 MPa |
| Horizontal Distance | 30 m | 50 m | 60 m | 60 m |
| Vertical Height | 20 m | 30 m | 30 m | 30 m |
| Conveying Flow Rate | 60 – 80 m²/h | 80 – 100 m²/h | 80 – 100 m²/h | 100 m²/h |
| Overall Dimensions | 1750 × 450 × 800 mm | Heavy Frame | 1600 × 500 × 700 mm | 1800 × 580 × 950 mm |
| Total Weight | 160 kg | 350 kg | 180 kg | 280 kg |
Compare Models and Get a Quote
Heavy-duty alloy rotor-stator pumps resist severe abrasion from coarse sand particles, lowering long-term maintenance costs. Sourcing certified machinery directly from YG Machinery guarantees full access to original replacement components and dedicated technical assistance.


How to Maximize Mortar Spraying Productivity on Large Commercial Jobsites?
Achieving maximum output requires matching hose diameter, air compressor pressure, and mortar slump to your specific wall height requirements. Automated pumping systems maintain continuous flow rates reaching 100 square meters per hour, replacing up to eight manual workers per shift.
- Lower Labor Cost per Square Meter: Reduces site staffing requirements to a simple two-person team for mixing and nozzle handling.
- Superior Mechanical Bond Strength: High-velocity impact consolidates wet mortar tightly against masonry substrates to prevent future peeling.
- Minimal Material Dropping Losses: Controlled spray patterns direct over 98 percent of the wet mix onto target wall areas cleanly.
- Continuous Non-Stop Pumping: Large hopper capacity allows continuous material loading while the pump operates without pause.
Maintaining consistent material consistency prevents hose blockages and keeps output speeds predictable throughout multi-shift workdays. Equipping your site crew with industrial-grade mechanical sprayers gives your firm a major competitive advantage when bidding on large-scale commercial contracts.
Why Use a Heavy-Duty Tunnel Mortar Spraying Machine for Underground Infrastructure?
Underground railway, highway, and mining shafts demand specialized high-pressure equipment capable of conveying thick shotcrete and fireproof mortar through long horizontal supply lines. Diesel-powered mobile platforms operate independently of site electrical grids, supplying up to 6 MPa of pressure to coat curved tunnel arches and rock faces quickly.
- Independent Power Generation: Heavy-duty 12-horsepower diesel engines provide complete operational independence in unpowered shafts.
- Coarse Aggregate Handling: Processes large aggregate sizes up to 10 mm cleanly without clogging internal pump chambers.
- Extended Reach Capability: Pushes dense mortar matrices through 60-meter delivery hoses to reach elevated shaft vaults.
- Rugged Steel Construction: Reinforced frame withstands harsh underground moisture, dust, and continuous mechanical vibration.
Applying dense protective mortar layers seals underground rock formations against water ingress and structural shifting. The powerful pumping action ensures uniform coating thickness across irregular rock surfaces, satisfying strict municipal engineering specifications.
Find the Right Model for Your Project


USA Field Case Study: Accelerating Wall Rendering on a Florida Housing Project
The Operational Challenge
A commercial building contractor in Florida, USA, faced severe schedule delays while completing exterior wall rendering for a multi-family residential development. Hand troweling methods were moving too slowly, achieving only 15 square meters per hour per worker while generating high labor costs and uneven surface depths that failed client quality inspections.
The Custom Technical Solution
The project site director resolved this operational bottleneck by procuring two YG-511 continuous electric spraying units. Equipped with 7.5 kW motors and 6 MPa pumping pressure, the high-output machines allowed a three-person crew to pump, spray, and screed pre-mixed cement mortar directly onto two-story exterior block walls.
The Commercial & Financial Results
Deploying high-pressure mechanical rendering equipment transformed the Florida jobsite’s daily performance:
- Output Expansion: Daily application rates surged from 120 m² up to 750 m² per shift, representing a 500 percent speed increase.
- Labor Cost Savings: The contractor reduced the rendering crew size from twelve manual plasterers down to four equipment operators, cutting daily labor expenses by 65 percent.
- Zero Quality Defects: High-pressure impact eliminated wall hollows completely, passing all structural bond inspections on the first attempt.
- Rapid ROI: The contractor completed the exterior wall phase three weeks ahead of deadline, saving over $52,000 in labor costs and fully recovering their machinery purchase investment within 45 days.
Request Your Direct Factory Price Quote Today
Ready to transform your wall rendering operations with high-speed automated spraying technology? Do not let slow manual plastering methods or high distributor markups limit your project profits any longer. YG Machinery offers factory-direct pricing, custom equipment options, and fast global shipping support.
Getting a personalized quotation is simple—just send us your target daily output, required pumping height, and destination port. Our engineering sales team will respond within 24 hours with an itemized price quotation, complete technical datasheets, and delivery timelines.
Contact our technical sales team today via email or message to claim your direct factory quote!
FAQs About Commercial Mortar Spraying Systems
High pneumatic pressure drives the wet mortar matrix deep into masonry pores and brick joints, forming a dense bond that eliminates hollow spots completely.
Pricing depends on motor power options (electric vs diesel), maximum pumping pressure, horizontal conveying reach, and included hose packages.
Keeping a continuous supply of properly slumped mortar in the hopper and maintaining steady air compressor pressure prevents line blockages and keeps output high.
Yes, diesel-powered heavy-duty configurations process aggregate particle sizes up to 10 mm through reinforced rotor-stator pump chambers easily.
Standard electric models operate on an industrial 380V three-phase electrical supply to drive their 3 kW to 7.5 kW pump motors reliably.




