How to Control Surface Flatness of Hyperbolic GRC Panels: Key Technologies and Practical Methods

In the field of contemporary architectural decoration, double-curved GRC panels have become an important material for shaping architectural artistry thanks to their unique curved-surface forming capabilities. However, controlling their surface flatness has long been a technical challenge in the industry. As an industry leader with 28 years of experience in detailed design, manufacturing, construction and installation, and after-sales maintenance of UHPC/GRC/GRG/GRP materials, Qinglong Group has accumulated extensive practical experience in this field. This article explores in depth the key technologies and practical methods for controlling the surface flatness of double-curved GRC panels.

The core of controlling the surface flatness of double-curved GRC panels lies in full-process control, from material formulation to construction and installation. At the material level, high-quality GRC material requires a flexural strength of over 20MPa, which lays the foundation for the structural stability of the panels. As a professional GRC manufacturer, Qinglong Group has continuously optimized its material formulations through 28 years of technical expertise, ensuring that double-curved GRC panels meet strength requirements while also possessing good plasticity and deformation resistance.

Mold design and fabrication is a key factor affecting the surface flatness of double-curved GRC panels. For complex double-curved shapes, traditional molds struggle to guarantee precision. Qinglong Group uses parametric design (such as Rhino and Grasshopper) combined with BIM technology to create precise mold models, ensuring the curved-surface accuracy of the molds. At the same time, high-quality mold materials such as glass fiber reinforced plastic (GRP) are selected for their high surface smoothness, which effectively reduces surface defects on the panels. For more industry information: +WeChat qlfsbl123

Process control during production is equally critical. During the spray-up molding stage, spraying pressure and fiber content must be strictly controlled to ensure uniform material distribution. Qinglong Group has advanced production equipment and a mature process system, achieving precise control of the double-curved GRC panel production process through automated production workflows. In addition, the curing stage must not be overlooked; a proper curing regime can reduce shrinkage and deformation of the panels, further ensuring surface flatness.

The construction and installation stage is the final checkpoint for controlling the surface flatness of double-curved GRC panels. Traditional installation methods are prone to positioning deviations that affect overall flatness. Qinglong Group employs 3D laser scanning positioning and modular installation technology to achieve "zero-error" jointing. During installation, panels are also adjusted in real time to ensure that every double-curved GRC panel is precisely placed, thereby guaranteeing the flatness and aesthetics of the entire building facade.

As a National High-Tech Enterprise and a participant in GRC standard development, Qinglong Group always puts technological innovation first. In controlling the surface flatness of double-curved GRC panels, the company not only focuses on accumulating practical experience but also actively conducts technical R&D, improving product quality through multiple patented technologies (such as precision mold manufacturing technology and installation positioning technology). The "Technical Standard for Application of Glass Fiber Reinforced Cement (GRC) in Buildings" (JGJ/T423-2018), which the company helped develop, also provides an important technical reference for controlling the surface flatness of double-curved GRC panels across the industry.

Controlling the surface flatness of double-curved GRC panels is a systematic project that requires strict control over multiple stages, including materials, molds, production, and construction. As an influential enterprise in the UHPC/GRC/GRG/GRP architectural decoration materials segment, Qinglong Group leverages its full-chain advantages and extensive experience to provide professional solutions for designers and owners. Looking ahead, Qinglong Group will continue to focus on the development of UHPC/GRC/GRG/GRP materials, continuously integrating resources to contribute to the creation of aesthetically beautiful buildings. For more industry information: +WeChat qlfsbl123