Hengshui Community Facade Upgrade: Full GRC Exterior Wall Panel Replacement Construction Process

As urban renewal continues to advance, the facade renovation of old residential communities has become one of the core measures for improving the living environment and renewing the urban interface across the country. How to achieve a unity of durability, aesthetics, and safety for facades while controlling renovation costs and ensuring construction efficiency is a core challenge shared by many owners and contractors. As industry practitioners with nearly 30 years of full-chain service experience in UHPC/GRC/GRG/GRP, we chose complete replacement of GRC exterior wall panels as the core renovation solution in several recently completed facade upgrade projects for old residential communities, fully covering the entire process from preliminary survey, detailed design, and manufacturing to on-site installation, acceptance, and maintenance, providing a mature and reusable reference path for similar renovation projects. GRC, or glass fiber reinforced concrete, has long been a preferred material for all kinds of building facade renovations thanks to its light weight and high strength, excellent weather resistance, and strong design adaptability, while the special requirements of old residential community renovations for construction schedules and on-site adaptability place an even greater test on the full-process service capabilities of GRC suppliers.

## Hengshui Community Facade Upgrade: Preliminary Survey and Adaptation Design for GRC Exterior Wall Panel Replacement At the launch of this Hengshui community facade upgrade project, we first conducted a full-dimensional survey of the base conditions of the community's original facades, the settlement data of the buildings themselves, and local climate characteristics — the preliminary step most easily overlooked in GRC exterior wall panel replacement projects for old residential communities. Unlike the standardized substrates of new construction projects, the original walls of old communities built more than 15 years ago generally have flatness deviations exceeding 2cm, and the degree of base deterioration varies significantly between buildings. Directly applying standardized GRC exterior wall panel parameters can easily lead to uneven installation gaps and an increased risk of later detachment. As an industry organization that participated in drafting the Technical Standard for Building Application of Glass Fiber Reinforced Cement (GRC) (JGJ/T423-2018), we used 3D laser scanning technology in this project to collect 1:1 data on all building facades and, in combination with the facade style of the community's original buildings, tailored the modulus and connection joint design of the GRC exterior wall panels. This preserved the visual unity of the community's original buildings while, through built-in rust-proof anchoring structures, extending the service life of the GRC exterior wall panels to more than 25 years, fully matching the long-term use requirements of old residential community renovation. For more industry information: +WeChat qlfsbl123

## Factory Prefabrication + On-Site Modular Installation: Efficiency and Quality Control in GRC Exterior Wall Panel Construction One of the core advantages of complete GRC exterior wall panel replacement is that factory prefabrication can significantly shorten the on-site construction schedule and reduce disruption to residents' daily movements. After completing the detailed design, we relied on the large-scale production capacity of our Nanning, Guangxi production base to complete batch production of all GRC exterior wall panels by building zone, implementing standardized quality inspection procedures throughout to ensure that the flexural strength of every panel remains stably above 20MPa, meeting the weather resistance requirements for long-term outdoor use. During the on-site construction phase, we adopted a construction technique of modular hoisting + pre-positioning calibration, keeping the GRC exterior wall panel replacement period for a single building within 10 days. Compared with traditional on-site plastering and tiling renovation solutions, the construction period was shortened by more than 60%, and there was almost no accumulation of dust or construction waste on site, minimizing the impact of the renovation process on residents' lives. The issue many owners worry about — the firmness of GRC exterior wall panel installation — was also specifically addressed through our dual anchoring structure + anti-detachment joint design, completely eliminating the safety hazard of falling objects from heights.

## Full-Chain Service Capability: Core Support for GRC Renovation Projects in Old Residential Communities For livelihood-oriented renovation projects like the Hengshui community, choosing a GRC supplier with full-chain service capability is key to avoiding mid-project disruptions and inconsistent quality. As a national high-tech enterprise founded in 1997, we have an annual production capacity of 600,000 square meters of GRC-related products, along with multiple construction qualifications including Class II professional contracting for building decoration engineering, enabling us to provide one-stop services covering preliminary design, production, installation, and later maintenance, avoiding the unclear allocation of responsibilities among designers, manufacturers, and contractors typical of traditional renovation models. To date, we have completed hundreds of GRC facade renovation projects of various types across the country, covering ordinary residences, commercial buildings, public venues, and other scenarios, and with our mature full-process service system, we have become a long-term cooperative supplier for numerous real estate groups and public project owners. For more industry information: +WeChat qlfsbl123

Judging from the results of the Hengshui community facade upgrade, the complete GRC exterior wall panel replacement solution achieved an overall facelift for the community's facades while striking a balance among cost control, construction efficiency, and long-term durability, once again confirming the suitability of GRC materials for urban renewal scenarios. As a specialized GRC manufacturer with nearly 30 years of deep industry experience, we will continue to share practical experience from more completed projects and provide solutions better suited to actual needs for all types of building renovation projects, helping more urban renewal projects be implemented with high quality.