Blog

There is an unusual phenomenon at a plastering work site in Meishan, Sichuan.

At other work sites, you’d see ten masons crowding a single wall—setting leveling pads, installing screed rails, and applying and smoothing mortar—covered in dust and grime, yet managing only around a hundred square meters per person daily. Here, there are just four workers; no screed rails are set, and no one stands there repeatedly tweaking the surface with a straightedge. Instead, mortar is sprayed on and a machine makes a pass, instantly shaping the entire wall. They easily complete 800 square meters a day, keeping flatness deviations within 2mm; a quick check with a sounding hammer across the floor confirms the work is ready for immediate acceptance.

It’s not that the workers have suddenly gained superhuman abilities; it’s that the tools have undergone a generational upgrade. Today, we visit a construction project in Meishan, Sichuan, to see how the combination of the Deruitu DM smart plastering machine and the PC18 mortar spraying machine transforms traditional interior wall plastering—delivering results that completely outclass conventional methods.

Let’s compare the data between traditional manual methods and Deruitu plastering solutions:

The four individuals had clearly defined roles:

One person operates the PC18 spraying machine to apply the base coat to the wall.

One person handles mortar loading and equipment replenishment.

One person operates the DM plastering machine for precision leveling.

One person handles edge finishing and protection of the finished work.

The four-person team performs distinct roles to create a continuous workflow with no idle time; the initial setting time of the sprayed base coat aligns perfectly with the mechanical leveling stage, ensuring a seamless transition between process steps.

Manpower requirements are cut in half, efficiency is significantly boosted, and quality is elevated to a new level. In terms of cost, the overall construction expense per square meter drops by 3–5 yuan—with greater savings realized as the project scale increases.

The foundation of plastering quality lies in the base coat. With traditional manual methods—such as flicking slurry and applying the base coat—the bond between the mortar and the substrate relies entirely on the operator's feel, resulting in inconsistent density.

The PC18 mortar spraying machine is designed for a two-person operation—one for loading and one for spraying. It utilizes air-assisted high-pressure atomization technology to forcefully inject mortar and other materials into the pores of the wall substrate, creating a mechanical interlocking bond. The resulting bond strength is more than double that of manual application, effectively eliminating the root causes of hollow spots at the physical level.

DM Intelligent Plastering Machine Leveling: Millimeter-level Precision

If the PC18 is responsible for laying the groundwork, the DM plastering machine is all about achieving a premium finish: it features automatic microcomputer leveling—consistently keeping verticality and flatness deviations within 2mm—eliminates the need for screed rails, and allows for one-touch operation.

The on-site performance of Deruitu’s DM plastering machine and PC18 spraying machine in Meishan confirms a simple truth: a quality home relies as much on construction equipment as it does on design concepts.