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Weifang Sunshine Union Hospital Project
Sunshine Union Hospital is located in the National High-tech Industrial Development Zone, Weifang City, Shandong Province, covering an area of 630,000 square meters, of which the first phase has a construction area of 280,000 square meters.
The roof of this project is a concrete structure. Due to the long service life, the bonding mortar at the bottom of the original roof floor tile paving layer is aging and cracking, resulting in the floor tiles falling off and poor sealing. The original waterproof layer and the sealing of the detailed nodes have leaks, and it is difficult to achieve the purpose of waterproofing by local maintenance, which will affect the normal use of the top layer.
In order to completely solve the roof leakage, the hospital carried out the overall waterproof reconstruction of the roof. The project adopts the "OTAi" brand TPO membrane of Tianjin Binhai OTAi Waterproof Materials Co., Ltd.
Tianjin OTAi thermoplastic polyolefin (TPO) waterproofing membrane adopts imported raw materials from Basel in Europe, and has passed the FM certification of the United States. The artificial climate aging resistance up to 9000 hours.
The roof waterproofing renovation of Weifang Sunshine Union Hospital adopts double fortification. The first layer of waterproofing adopts Tianjin OTAi SR Polymer-modified Cementitious Waterproof coating 1.5mm to form a film, and then is covered with Tianjin OTAi (TPO) self-adhesive waterproof membrane. The large surface is covered with sticky construction, and the seams are welded by hot air. The two waterproof layers complement each other and provide comprehensive waterproof protection for the roof.
Tianjin OTAi focuses on the cutting-edge technology and high-end products of building waterproof materials, and “promotes the development of China's waterproof industry with innovative materials and complete solutions”. Tianjin OTAi strives to become the world's leading supplier of waterproof systems.
2022-08-30
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OTAi Focus on social sustainable development, environmental protection, and your health
As a manufacturer of polymer waterproof materials, Tianjin Binhai OTAi Waterproof Material Co., Ltd. has been committed to providing customers with green and healthy waterproof products.
Since OTAi Waterproof established, the company has improved the environmental protection of its products by improving product technology and upgrading production processes. In the production process of the product, the use of raw materials containing heavy metals and other toxic and carcinogenic substances is avoided, and the production process is strictly controlled to reduce the generation of VOCs, and the exhaust gas in the production process is purified.
Recently, SGS, an international authoritative testing agency, conducted RoHS and REACH testing on OTAi products, and tested a total of 219 substances that seriously affect the environment and human health. The result was ND-Not Detected related toxic and hazardous substances.
RoHS test items include (Pb), (Cd), (Hg), (Cr), (PBBs) and (PBDEs), etc.;
REACH includes CMR categories: carcinogens, mutagens, substances toxic to the reproductive system; PBT categories: persistent, bioaccumulative toxic substances; vPvB categories: permanent and highly bioaccumulative substances that may have serious effects on human health and the environment.
(ROHS test report)
(REACH test report)
The test results prove that OTAi products are safe and environmentally friendly. As a central waterproof enterprise, we have been committed to "focusing on sustainable social development, environmental protection, and your health". OTAi will continue to provide excellent products and high-quality services for our customers.
2022-07-15
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Yixing Zhonghuan DW Phase IV Project
Yixing Zhonghuan DW Phase IV Project is an important project in Yixing Economic and Technological Development Zone, and the steel structure metal roofing area of this project is about 60,000 square meters. The waterproof layer is made of 1.5mm thickness fabric inner reinforced thermoplastic polyolefin (TPO) waterproof membrane, and the construction method is fixed by non-perforated mechanical construction method.
The advantages of BNBM OTAi non-perforation mechanical fixation system：
- Compared with the mechanical fixing method with perforation, the construction efficiency of mechanical fixing without perforation is higher.
- It is not necessary to fix the edges of each roll.
- No need to consider the width of membrane.
- No need to cut the membrane (reduced membrane lap seams).
- The wind load can be distributed more evenly.
- Improve the level of wind resistance, currently the highest level can reach FM 1-210.
- The roof is more beautiful to look at.
- Improve construction efficiency and reduce labor intensity of workers.
TPO waterproofing membrane seam strength peel test
Strengthen the processing of connection nodes
TPO single-layer roof under construction
Construction of TPO single-layer roof
BNBM OTAi is a comprehensive waterproof enterprise integrating scientific research, production, sales, construction and technical services. It has strong technical strength, excellent R&D team and advanced scientific research equipment. BNBM OTAi's waterproofing products mainly include TPO/ PVC/ HDPE waterproof membrane, polymer-modified cementitious waterproof coating and waterproof prefabricated products. The company has introduced international advanced application technology to form a product system focusing on drain, photovoltaic, exhaust, fastening and detail prefabrication. BNBM OTAi will continue to provide excellent products and high-quality services for our customers.
2022-06-14
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OTAi - Chongqing Longxing Football Stadium Project
Chongqing Longxing Football Stadium is one of the hosting venues for the 18th Asian Cup in 2023. It is located at the foot of Longnao Mountain next to the Longxing Guzhen, Chongqing. The total construction area of the football field is 166,900 square meters, which can accommodate about 60,000 spectators. After completion, it will be one of the largest football stadiums in China.
The Chongqing Longxing Football Stadium has a steel structure roof with an oval shape. Waterproof content includes metal roofing and gutter waterproofing.
Waterproof material: TPO Reinforced waterproof membrane, TPO fabric backing waterproof membrane.
- Prefabricated waterproof flashing: 16,000 pieces of open pipe wraps
- Waterproofing area: Total area of 36,000 square meters
Otai polymer waterproof material is suitable for all kinds of single-layer roofs and exposed roofs.
Chongqing Longxing Football Stadium is a steel structure roof, oval in shape, with a roof height of 59.5 meters. The wind is strong all year round, so wind resistance is also the focus of the project's waterproof work. TPO membrane has to withstand a long time of tension, and the non-perforated welding disperses the fixed parts evenly, so that each nail is evenly stressed, and the wind resistance system is more stable.
OTAi waterproof prefabs make it easier to handle waterproof details. The use of OTAi pipe wrap prefabricated parts improves the efficiency of construction and reduces the loss of waterproofing membranes.
OTAi will continue to provide excellent products and high-quality services for our customers.
2022-05-17
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Weifang Sunshine Union Hospital Project
The roof of this project is a concrete structure. Due to the long service life, the bonding mortar at the bottom of the original roof floor tile paving layer is aging and cracking, resulting in the floor tiles falling off and poor sealing. The original waterproof layer and the sealing of the detailed nodes have leaks, and it is difficult to achieve the purpose of waterproofing by local maintenance, which will affect the normal use of the top layer.
In order to completely solve the roof leakage, the hospital carried out the overall waterproof reconstruction of the roof. The project adopts the "OTAi" brand TPO membrane of Tianjin Binhai OTAi Waterproof Materials Co., Ltd.
Tianjin OTAi thermoplastic polyolefin (TPO) waterproofing membrane adopts imported raw materials from Basel in Europe, and has passed the FM certification of the United States. The artificial climate aging resistance up to 9000 hours.
The roof waterproofing renovation of Weifang Sunshine Union Hospital adopts double fortification. The first layer of waterproofing adopts Tianjin OTAi SR Polymer-modified Cementitious Waterproof coating 1.5mm to form a film, and then is covered with Tianjin OTAi (TPO) self-adhesive waterproof membrane. The large surface is covered with sticky construction, and the seams are welded by hot air. The two waterproof layers complement each other and provide comprehensive waterproof protection for the roof.
Tianjin OTAi focuses on the cutting-edge technology and high-end products of building waterproof materials, and “promotes the development of China's waterproof industry with innovative materials and complete solutions”. Tianjin OTAi strives to become the world's leading supplier of waterproof systems.
2022-08-30 13:29
OTAi Focus on social sustainable development, environmental protection, and your health
Since OTAi Waterproof established, the company has improved the environmental protection of its products by improving product technology and upgrading production processes. In the production process of the product, the use of raw materials containing heavy metals and other toxic and carcinogenic substances is avoided, and the production process is strictly controlled to reduce the generation of VOCs, and the exhaust gas in the production process is purified.
Recently, SGS, an international authoritative testing agency, conducted RoHS and REACH testing on OTAi products, and tested a total of 219 substances that seriously affect the environment and human health. The result was ND-Not Detected related toxic and hazardous substances.
RoHS test items include (Pb), (Cd), (Hg), (Cr), (PBBs) and (PBDEs), etc.;
REACH includes CMR categories: carcinogens, mutagens, substances toxic to the reproductive system; PBT categories: persistent, bioaccumulative toxic substances; vPvB categories: permanent and highly bioaccumulative substances that may have serious effects on human health and the environment.
(ROHS test report)
(REACH test report)
The test results prove that OTAi products are safe and environmentally friendly. As a central waterproof enterprise, we have been committed to "focusing on sustainable social development, environmental protection, and your health". OTAi will continue to provide excellent products and high-quality services for our customers.
2022-07-15 14:36
Yixing Zhonghuan DW Phase IV Project
The advantages of BNBM OTAi non-perforation mechanical fixation system：
- Compared with the mechanical fixing method with perforation, the construction efficiency of mechanical fixing without perforation is higher.
- It is not necessary to fix the edges of each roll.
- No need to consider the width of membrane.
- No need to cut the membrane (reduced membrane lap seams).
- The wind load can be distributed more evenly.
- Improve the level of wind resistance, currently the highest level can reach FM 1-210.
- The roof is more beautiful to look at.
- Improve construction efficiency and reduce labor intensity of workers.
TPO waterproofing membrane seam strength peel test
Strengthen the processing of connection nodes
TPO single-layer roof under construction
Construction of TPO single-layer roof
BNBM OTAi is a comprehensive waterproof enterprise integrating scientific research, production, sales, construction and technical services. It has strong technical strength, excellent R&D team and advanced scientific research equipment. BNBM OTAi's waterproofing products mainly include TPO/ PVC/ HDPE waterproof membrane, polymer-modified cementitious waterproof coating and waterproof prefabricated products. The company has introduced international advanced application technology to form a product system focusing on drain, photovoltaic, exhaust, fastening and detail prefabrication. BNBM OTAi will continue to provide excellent products and high-quality services for our customers.
2022-06-14 15:39
OTAi - Chongqing Longxing Football Stadium Project
The Chongqing Longxing Football Stadium has a steel structure roof with an oval shape. Waterproof content includes metal roofing and gutter waterproofing.
Waterproof material: TPO Reinforced waterproof membrane, TPO fabric backing waterproof membrane.
- Prefabricated waterproof flashing: 16,000 pieces of open pipe wraps
- Waterproofing area: Total area of 36,000 square meters
Otai polymer waterproof material is suitable for all kinds of single-layer roofs and exposed roofs.
Chongqing Longxing Football Stadium is a steel structure roof, oval in shape, with a roof height of 59.5 meters. The wind is strong all year round, so wind resistance is also the focus of the project's waterproof work. TPO membrane has to withstand a long time of tension, and the non-perforated welding disperses the fixed parts evenly, so that each nail is evenly stressed, and the wind resistance system is more stable.
OTAi waterproof prefabs make it easier to handle waterproof details. The use of OTAi pipe wrap prefabricated parts improves the efficiency of construction and reduces the loss of waterproofing membranes.
OTAi will continue to provide excellent products and high-quality services for our customers.
2022-05-17 13:41