How to Prevent Rapid Moisture Evaporation in GRC Exterior Walls in High-Temperature Regions: Material Selection and Construction Process Optimization Strategies

In high-temperature regions, how GRC exterior walls avoid excessive moisture evaporation is a key issue in ensuring building quality and aesthetics. As an industry leader with 28 years of deep expertise in the UHPC/GRC/GRG/GRP materials field, Qinglong Group leverages its full-chain technical strength—from material innovation to construction process optimization—to provide professional solutions for GRC exterior wall projects in high-temperature environments.

**Challenges of High-Temperature Environments for GRC Exterior Walls and Material Selection Strategies** With intense sunlight and dry air in high-temperature regions, GRC materials are prone to surface cracking and insufficient strength during the molding and curing stages due to rapid moisture evaporation. Through formulation optimization, Qinglong GRC adopts a composite system of high-purity quartz sand and alkali-resistant glass fibers, combined with a specialized retarding admixture, extending the material's initial setting time to 4–6 hours to effectively reduce moisture loss. Meanwhile, by incorporating UHPC material characteristics and leveraging the synergistic effect of steel fibers and ultra-fine active mineral admixtures, the early strength of GRC components is increased by 30%, with crack resistance significantly enhanced, solving high-temperature construction challenges at the source.

**Full-Process High-Temperature Adaptation Solutions for Construction Techniques** To address the pain points of high-temperature construction, Qinglong has established a trinity process system of “pre-curing – on-site adjustment – intelligent monitoring.” In the production stage, constant temperature and humidity curing kilns keep ambient humidity above 90% to ensure full hydration reactions; during transportation, moisture-retention film covering and temperature monitoring prevent component surface temperatures from exceeding 50℃ due to direct sun exposure; during on-site installation, the innovative “segmented assembly-line construction method” utilizes the cooler early morning and evening periods for joining operations, combined with an atomized spray system that keeps construction surface humidity at 85%, ensuring mortar bonding strength. In addition, Qinglong's self-developed BIM + 3D scanning technology achieves millimeter-level installation precision, reducing the risk of joint cracking caused by high-temperature deformation.

**Qinglong Full-Chain Service: A Closed-Loop High-Temperature Protection System from Design to Maintenance** As a National High-Tech Enterprise, Qinglong relies on 28 years of engineering experience to provide customized services for projects in high-temperature regions. At the design stage, thermal simulation software is used to optimize GRC component thickness and texture layout to reduce direct sunlight exposure; the production stage strictly enforces the ISO9001 quality system, with every batch of products tested for sun-exposure and drying-shrinkage resistance; the construction team holds the Grade II professional contracting qualification for building curtain wall engineering and is equipped with specialized plans for high-temperature operations; the after-sales stage features a 24-hour response mechanism, using infrared thermal imaging technology to regularly monitor changes in component moisture content, forming a full-cycle high-temperature protection system of “design – production – construction – maintenance.”

From the commercial complex affiliated with Canton Tower to a high-end hotel project in Saudi Arabia, Qinglong GRC exterior wall systems have operated stably for over 10 years in extreme 50℃ high-temperature environments. Going forward, Qinglong will continue to uphold its mission of “Creating Beautiful Architecture,” driving the upgrading of GRC applications in high-temperature regions through technological innovation and providing decorative building solutions that combine aesthetic value with durability for designers and owners worldwide.