The automatic plaster machine (also known as a plastering robot or wall rendering machine) is an automated construction device specifically designed for wall plastering operations. It serves as a substitute for traditional manual labor, performing the application, leveling, and compaction of materials-such as cement mortar, lime mortar, and gypsum mortar-to achieve "one-pass molding" of the wall surface. It stands as a core mechanized tool within the construction industry for reducing costs, enhancing efficiency, and addressing the critical challenge of labor shortages.

01
Efficiency – Not Just Fast, But Brutally Fast.One rig, 80 to 150 square meters per hour
02
Flatness – Manual Work Can't Touch This. You can dial in the plaster thickness from 2 mm up to 30 mm
03
Labor – Fewer Hands, Lower Risk, Better Control. One or two guys feeding the hopper, that's it
04
Waste – The Hidden Cost You've Been Ignoring
Automated feeding isn't just convenient; it meters every kilo of mortar.
Introduction to Basic Parameters
|
ITEM |
UNIT |
MODEL |
|||
|
Model Name |
|
GMEH-800-R |
GMEH-1000-R |
GMEH-800-G |
GMEH-1000-G |
|
Rendering height |
m |
Standard 3.5 (Up to 5) |
Standard 3.5 (Up to 5) |
Standard 3.5 (Up to 5) |
Standard 3.5 (Up to 5) |
|
Rendering width |
mm |
800 |
1000 |
800 |
1000 |
|
Rendering thickness |
mm |
2-30 |
2-30 |
2-30 |
2-30 |
|
Rendering speed |
m2/h |
30-60 |
40-80 |
30-60 |
40-80 |
|
Voltage |
V |
380/220 (Customized) |
380/220 (Customized) |
380/220 (Customized) |
380/220 (Customized) |
|
Lifting mode |
- |
By steel wire rope |
By steel wire rope |
By gear rack |
By gear rack |
|
Main motor power |
Kw |
1.5 |
1.5 |
1.5 |
1.5 |
|
Vibrating motor power |
Kw |
2*0.03 |
3*0.03 |
2*0.03 |
3*0.03 |
|
Parts weight |
Kg |
50 |
60 |
80 |
90 |
|
Machine weight |
Kg |
80 |
100 |
150 |
170 |
|
Outer dimension |
mm |
1000×830×680 |
1150×830×680 |
1000×830×680 |
1150×830×680 |
All four models of this fully automatic wall plastering machine series (GMEH Series) support plastering operations on walls up to 5 meters in height with a plaster thickness ranging from 2 to 30 mm; voltage specifications are customizable. Specifically, the R Series utilizes a steel cable lifting mechanism, while the G Series employs a rack-and-pinion lifting system. Classified by plastering width, the machines are available in two specifications-800 mm and 1000 mm-each offering distinct operational efficiencies and machine weights to suit the requirements of various construction scenarios.
Why use this automatic wall cement plastering machine?
1. Replaces Manual Labor – Solves Industry Pain Points
This plastering machine turns traditional hand plastering into mechanized construction. It directly addresses the four biggest headaches on any job site: low efficiency, high costs, inconsistent quality, and labor management troubles.
2. Higher Efficiency – Project Timeline Cut in Half
It handles cement, gypsum, and other materials – fast and uniform. Different models suit different working conditions, offering strong adaptability. On real projects, the timeline can be compressed by a full 50%.
3. Saves Labor and Money – No More Dependence on Master Trowel Hands
Fewer workers needed – no need to keep expensive, skilled plasterers on payroll. This eases recruitment headaches and labor shortages while significantly cutting labor costs.

4. Consistent Quality – One Pass, Done
The wall comes out flat and true in a single pass, with minimal deviation. It's ready for painting right after – no secondary leveling, hardly any rework.
5. High Adaptability – Works on Any Substrate
Concrete walls, brick walls, lightweight partitions – it handles all of them. Switching is easy. Material waste is 20–30% lower than with manual application – more economical and environmentally friendly.
6. Low Barrier to Operation – Reduced Risk
No professional plastering background required. An ordinary worker picks it up in an hour or two. Plus, the risks associated with high‑altitude work drop significantly – safety improves across the board.
Scope of Application
Suitable for the interior wall plastering of all types of structures-including commercial housing, resettlement housing, factories and warehouses, office buildings, self-built rural homes, and residential complex interiors. It is compatible with and allows for the standard application of cement mortar, lime mortar, and gypsum mortar.
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The automatic plaster machine is a unique device-perhaps the ideal automated rendering machinery for the construction industry. It operates using traditional cement mortar, creating a smooth, flat finish with a variable and adjustable thickness tailored to suit every specific application.


When This Machine Stays in the Truck – Real‑World Limits
Let's be clear about where this rig doesn't belong.
No‑Go Zones:
Curved walls? Forget it. Anything with an arc, a slope, or an irregular profile-the machine can't follow the geometry. And high‑altitude exterior walls? Not a chance. This unit is built for indoor duty. No weatherproofing, no fall‑arrest anchors. I've seen guys try to rig it on scaffolding; don't. You're asking for a dropped machine or worse.
Key Features
The automatic wall plastering machine uses a conveyor system to pick up mortar and move it both forward and upward. The conveyor can be manually controlled to start picking up mortar or stop at any desired position. This allows the machine to plaster surfaces in all directions, right up to the ceiling.
A fast and stable setup mechanism is built into the machine. With hydraulic telescopic rods, the unit can be fully deployed in just 10 seconds.
A mini‑vibrator is mounted directly behind the trowel blade. This eliminates any concerns about hollow spots or poor adhesion.
The machine also reduces raw material consumption – saving over 20% on cement and sand.
In terms of output, a single unit can match the work of 15 professional plasterers.
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Packaging and Delivery Machinery
To better ensure the safety of your goods, we will provide professional, eco-friendly, convenient, and efficient packaging services.
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Why choose Lerford?
Choosing Lerford for your wall plastering machine means getting more than just a piece of equipment. You're getting a complete, end‑to‑end solution-from factory‑direct customization and manufacturing to solid after‑sales support. That translates into real advantages in cost, efficiency, quality, and service.
As a direct manufacturer, we cut out the middleman. No extra markups, no hidden fees. You get the most competitive ex‑factory pricing, so every dollar of your budget goes where it actually matters-into the machine.
Our products deliver superior performance, ensuring consistently excellent results on every job site.
When you choose Lerford, you gain:
Direct‑from‑factory pricing
Customized configurations to fit your needs
Reliable, repeatable application results
One‑on‑one technical support
Long‑term, worry‑free after‑sales service
All of which means you can solve every wall plastering challenge at a lower cost and with minimal hassle.

Common Problem
What types of walls are suitable for use with an automatic plaster machine?
It is suitable for all interior vertical wall surfaces: including commercial apartments, resettlement housing, office buildings, factories and warehouses, self-built rural homes, and interior walls within residential complexes. It can be used for construction on red brick walls, rough-finish concrete walls, and aerated concrete block walls.
What types of mortar materials can be applied?
Cement mortar, lime mortar, mixed mortar, and gypsum mortar can all be applied effectively.
Is the machine heavy? Is it easy to move?
It is equipped with swivel casters, making it easy to push and pull. You can effortlessly move it between rooms indoors, and it is easy to maneuver through doorways and hallways.
Is it easy to maintain in the long run?
After finishing work each day, simply rinse the hopper and trowel with clean water. The machine features a simple structure with few wear-and-tear parts, resulting in low maintenance costs.
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