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About UsZHONGTAI HENGBANG Engineering Technology Co., Ltd. is located in the Academician Entrepreneurship Base of Tai'an National High-Tech Industrial Development Zone, Shandong Province. The company is a comprehensive service provider specializing in engineering consulting and design, materials R&D and manufacturing, as well as operations and maintenance. With strong technical expertise and robust R&D capabilities, its products are primarily applied in critical areas such as water conservancy infrastructure projects, transportation infrastructure initiatives, and environmental protection solutions for isolating and preventing leakage from urban waste and highly hazardous industrial solid waste.
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ProductsZHONGTAI HENGBANG Engineering Technology Co., Ltd. boasts production lines sourced from countries including Germany, Italy, Denmark, Belgium, and Switzerland, adhering to rigorous quality management systems and testing standards. We are equipped with advanced testing equipment capable of evaluating tensile strength, creep resistance, UV protection, water permeability, flame retardancy, antistatic properties, chemical corrosion resistance, and oxidation performance.
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Application CasesThe product is primarily used in hydraulic infrastructure projects, transportation infrastructure projects, and environmental protection applications—including the isolation and impermeability of municipal waste and highly hazardous industrial solid waste.
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BlogPrioritizing technological advancement and innovation, our company is committed to fulfilling user needs to the fullest extent possible.
What should be noted when laying EVA waterproof sheets in Yunnan?
Release date:
2020-12-12
Yunnan Nujiang EVA Waterproof Board When laying, keep the following points in mind to ensure the project meets both quality and quantity standards.
1. Yunnan Nujiang EVA Waterproof Board When laying, any protruding parts such as steel mesh should first be cut off and then smoothed out with plain mortar.
2. When there are protruding pipes, after cutting them off, smooth the area with mortar.
3. When the anchor rod has protruding parts, trim the screw head flush by leaving a 5mm extension, then cover it with a plastic cap.
4. Reapply concrete to ensure the surface is smooth and evenly rounded, with any unevenness not exceeding ±5 cm.
5. First, apply 350 g/m² of geotextile as a liner onto the concrete surface—do this simultaneously if drainage boards are present. Then, secure the material in place using a nail gun to drive cement nails into the surface, ensuring each nail is at least 50 mm long. Distribute the nails evenly across the arch at 3–4 points per square meter, and along the sidewalls at 2–3 points per square meter.
6. To prevent cement slurry from seeping into the geotextile, lay the geotextile first, then proceed with the next step. Yunnan Nujiang EVA Waterproof Board 。
7. Laying out Yunnan Nujiang EVA Waterproof Board At that time, use a manual, dedicated fusion tool to heat-melt the material onto the liner, ensuring that the bond's peel strength is no less than the tensile strength of the waterproof membrane.
8, Yunnan Nujiang EVA Waterproof Board The sections are joined using a dedicated fusion splicer for heat-bonding, with the bonding area no less than 10 cm. Additionally, the bond's peel strength must exceed 80 percent of the base material's tensile strength.
9, Yunnan Nujiang EVA Waterproof Board The circumferential bonding area must be at least 1.0 meter away from the lining joint seams. Before laying the waterproof layer, the waterproof boards should not be stretched tight; instead, they must ensure close contact with the sprayed concrete surface without causing any tearing or cracking.
ZHONGTAI HENGBANG Engineering Technology Co., Ltd. is a comprehensive service provider integrating engineering consulting and design, material R&D and manufacturing, as well as operations and maintenance. With robust technical expertise and strong R&D capabilities, our products are prominently applied in critical environmental protection fields such as hydraulic infrastructure projects, transportation infrastructure initiatives, and the isolation and anti-seepage solutions for urban waste and hazardous industrial solid waste. The company boasts advanced production lines sourced from Germany, Italy, Denmark, Belgium, Switzerland, and other countries, adhering to stringent quality management systems and rigorous testing standards. We are equipped with state-of-the-art testing equipment capable of evaluating key properties—including tensile strength, creep resistance, UV resistance, water permeability, flame retardancy, antistatic performance, chemical corrosion resistance, and oxidation stability—ensuring superior product quality. Furthermore, our enterprise has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA approvals, along with inspection reports from China’s Ministry of Railways and Ministry of Water Resources, the EU CE certification, and additional industry-specific lab tests conducted in Russia, Australia, the United States, and other regions. We are dedicated to delivering top-quality geosynthetic materials and comprehensive services tailored to a wide range of projects, including reinforced soil retaining walls, soft ground stabilization, land reclamation and embankment construction/maintenance, hydraulic engineering, slope remediation and ecological restoration, road construction, and mining projects.
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ZHONGTAI HENGBANG Technology Co., Ltd.
Address: East Section of Zhongtianmen Avenue, Tai'an High-tech Zone, Shandong Province
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