Core Viewpoint - The introduction of the "Non-Open Flame Rapid Construction Technology" and the core product "Waterproof Star" by Beijing Construction Municipal Road and Bridge Municipal Engineering Research Institute addresses the challenges of roof waterproofing in urban renewal and old building renovation, providing a safe and efficient solution [1]. Group 1: Technology and Product Features - The "Non-Open Flame" technology eliminates fire hazards associated with traditional roofing methods, which often rely on open flames and can pose significant risks, especially for older wooden structures [1]. - "Waterproof Star" has a bonding strength that is twice that of traditional materials, allowing it to adhere firmly to various substrates, including concrete, brick, and metal, even in damp conditions [1][2]. - The elongation rate of "Waterproof Star" exceeds traditional materials by 30%, ensuring it can adapt to building movements without cracking, thus maintaining waterproof integrity [2]. Group 2: Performance and Benefits - The application of "Waterproof Star" has resulted in a nearly 50% reduction in construction time and significant cost savings, as demonstrated in the Longbaochen Building project [1]. - The product exhibits superior weather resistance, with a 50% improvement over traditional materials, and maintains high performance across a wide temperature range, with 27% better high-temperature resistance and 20% better low-temperature resistance [2]. - The waterproof lifespan of roofs using "Waterproof Star" is extended by 30% compared to traditional materials, significantly reducing maintenance frequency and enhancing building longevity [3].

Group 1 - The article highlights the innovative technologies showcased at the 2025 Service Trade Fair, particularly in the context of urban renewal and the modernization of old residential areas [1][3] - Urban renewal is shifting from "incremental expansion" to "potential tapping and quality improvement," which is crucial for enhancing the quality of life for residents [3] - The exhibition features successful cases of urban renewal, including the transformation of old residential areas and the integration of smart community solutions [3][4] Group 2 - A new waterproofing material, "Waterproof Star," developed by Beijing Construction Municipal Road and Bridge Engineering Research Institute, allows for fire-free, quick application, significantly improving construction safety and efficiency [4][5] - This material has double the adhesion strength compared to traditional options and can be applied in damp conditions, addressing long-standing industry challenges [4][5] - The lifespan of the waterproofing layer using this new material is extended by 30% compared to conventional materials, demonstrating its durability under temperature variations [5] Group 3 - Beijing is actively promoting smart construction as part of its urban renewal efforts, with plans to advance around 300 old residential area renovation projects this year [6] - The exhibition also showcased various intelligent construction technologies, including robots for wall slotting and vibration, which enhance construction efficiency and safety [7] - The integration of digital technologies such as big data, cloud computing, and IoT into construction processes is transforming the traditional building materials industry [7][8]

Group 1 - The article highlights the innovative technologies showcased at the 2025 Service Trade Fair, particularly focusing on solutions for urban renewal and the modernization of old residential areas [2][3] - Urban renewal is shifting from "incremental expansion" to "quality enhancement," emphasizing the importance of improving living conditions and community infrastructure [3] - The exhibition features successful case studies in urban renewal, including the transformation of old residential areas and the integration of green building materials and modular renovation technologies [3] Group 2 - A new waterproofing material, "Waterproof Star," developed by Beijing Construction Municipal Engineering Research Institute, allows for fire-free, quick application, significantly reducing construction time and increasing durability [4][6] - The "Waterproof Star" material boasts double the adhesion strength compared to traditional materials and a 30% higher elongation rate, making it suitable for various substrates and conditions [6][7] - The material has been successfully applied in multiple projects, reducing construction time by nearly 50% and extending the waterproofing lifespan by 30% compared to conventional options [7][8] Group 3 - Beijing is actively promoting smart construction and technological innovation in urban renewal, with plans to advance around 300 old residential area renovation projects this year [8] - The exhibition also showcased various intelligent construction technologies, including emergency response systems and robotic equipment, indicating a significant shift towards automation in the construction industry [9] - The integration of digital technologies such as big data, cloud computing, and IoT into construction processes is enhancing operational efficiency and decision-making [9]