Concrete is the main base material for all kinds of buildings. It is made by mixing cement, sand, stone, water, and, when necessary, admixtures and mineral admixtures in appropriate proportions, and then mixing, molding, curing and hardening. Therefore, it has a certain degree of density. The cement hydration products (such as CSH gel) fill the gaps between the aggregates, which theoretically seems to prevent water penetration. However, during the drying and hardening process of ordinary concrete, due to water evaporation and volume changes caused by cement hydration, tiny capillary pores and gel pores inevitably form. These pores constitute pathways for the penetration of water and other harmful substances.
Since the beginning of the 20th century, SBS (styrene-butadiene-styrene) bitumen-based waterproof membranes have been widely used in waterproofing projects. With the rapid development of the times, they have been continuously improved and evolved to take into account the importance of environmental protection. For a long time, they have remained popular due to their low cost. As a representative of new synthetic polymer waterproof materials, TPO (thermoplastic polyolefin waterproof membrane) has developed rapidly in the European and American markets since its birth in the 1990s. Due to its advantages such as anti-aging, high tensile strength, large elongation, and ability to be applied to damp roofs, it has long occupied the number one position in the North American roofing market. Today, Canlon will take the roofing scenario as an example to analyze the performance comparison of TPO membrane and SBS membrane, two common roofing waterproofing materials.
Recently, Canlon has added another internationally authoritative certification – its TPO/PVC waterproof membrane has successfully passed the product rating accreditation of the Cool Roof Rating Council (CRRC) after three years of outdoor testing, making it one of the few domestic companies to hold certifications for both polymer waterproof materials. This also signifies that Canlon's roofing waterproofing products have reached internationally advanced levels in terms of thermal radiation efficiency and green energy-saving performance, opening new channels for expanding into the global green building market.
In recent years, with the advancement and deployment of carbon peaking and carbon neutrality initiatives, high-performance PVC and TPO polymer waterproof membranes, which offer energy savings and environmental benefits, have experienced rapid growth in China. Due to their superior physical properties, they exhibit exceptionally long-lasting aging resistance when used directly exposed, and have long held the position of "King of Roofing" in the North American market.
The review process for the 2025 "Science and Technology Award for Building Waterproofing Industry - Engineering Technology Award (Jinyu Award - Waterproofing Engineering)" and "Science and Technology Award for Building Waterproofing Industry - Technological Progress Award" has been completed and is now open for public comment. Among them, Canlon won a silver award for engineering technology with its "Jinji Lake Tunnel Main Waterproofing Project" case, once again powerfully demonstrating the excellent quality of the integrated waterproofing system.
On November 6th, the 10th PV & Energy Storage Innovation Conference (PVIC 2025), hosted by PV Industry Network and Energy Storage Industry Network, grandly opened in Hefei, Anhui. At the concurrently held "TOP 50" 2025 PV & Energy Storage Innovation Ranking Release and Awards Ceremony, Canlon New Energy won the "2025 Industrial and Commercial PV Brand Influence Enterprise" award for its outstanding performance in the field of industrial and commercial distributed PV.
On November 6th, the winners of the first "Good Waterproofing for Good Houses" Solution Evaluation Competition, organized by the China Building Waterproofing Association, were officially announced. Canlon's "MPU-N Solvent-Free Polyurethane Waterproof Coating" won second prize in the competition. Canlon has launched a number of innovative products suitable for repair and leak filling in response to the waterproofing and protection needs of old residential area renovation projects, such as waterproofing repair, crack repair, and reinforcement. The MPU-N solvent-free polyurethane waterproof coating, which won the award this time, is a representative product among them.
On November 5, 2025, the 2025 China International Roofing and Waterproofing Technology Exhibition was grandly held at the Shanghai New International Expo Centre. Under the theme of "Good Houses, Good Waterproofing, Good Future", Canlon made its debut with the theme of "Integration Leading New Quality Empowerment", presenting a feast of comprehensive building waterproofing system solutions with polymer as the core technology to professional audiences at home and abroad. At this exhibition, Canlon was located at booth 201 in Hall N1, attracting keen attention from experts and industry colleagues from home and abroad.