Underground Waterproofing UG Hybrid Method
Gumlonfort Altax Spray Composite Method HUG-20Q-SP+G·A-B
Achieving both the reliability of asphalt waterproofing and the good fit of spray application! High-efficiency construction realized with standard materials at the top and urethane spray on the sides!
At the bottom and top, we use modified asphalt sheets that excel in waterproof reliability and workability on flat surfaces, while on the sides, we employ urethane spray that is excellent for side workability and processing of penetrations, creating a truly hybrid underground waterproofing method. Underground waterproofing is divided into various parts: bottom, sides, and top, and the construction methods, such as pre-application and post-application, differ, which means that the waterproofing of each part is connected to form a waterproof layer. Therefore, a single material is often insufficient for waterproofing, and there are many cases where a combination of multiple materials is desirable. Tajima Roofing, as a comprehensive waterproofing manufacturer, promotes the hybridization of underground waterproofing by leveraging its own materials, methods, and connection technologies.
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basic information
Advance Construction Method HUG-20Q-SP+G・B A modified asphalt sheet "Gumron Fort" is applied to the bottom and top, and a super-fast curing urethane spray "Altax Spray Underground Waterproofing Method" is applied to the side soil retention. A treatment is performed to securely connect both, after which the side structure is poured, and the waterproof layer is transferred to the concrete side. Post Construction Method HUG-20Q-SP+G・A A modified asphalt sheet "Gumron Fort" is applied to the bottom and top, and after pouring the side structure, a super-fast curing urethane spray "Altax Spray Underground Waterproofing Method" is applied. A treatment is performed to securely connect both, and the surrounding area is backfilled.
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Applications/Examples of results
Underground structures in civil engineering and architecture, such as cut-and-cover tunnels, underpasses, underground commercial facilities, underground residences, retention basins, and adjustment ponds, can be applied to various underground waterproofing works.
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Company information
Tajima Roofing Co., Ltd. was established in 1919 by its founder, Takechou Tajima, in Mikawashima, Tokyo, as a company manufacturing and selling asphalt waterproofing materials for construction. In response to market needs, the waterproofing business offers a diverse range of products, including PVC sheet waterproofing and urethane waterproofing materials, while the flooring business provides vinyl flooring sheets and carpet tiles. By honing the expertise of each business, the company has developed significantly, leveraging its uniqueness as a strength and establishing a comprehensive system as a manufacturer of waterproofing materials and flooring. The high functionality and technical skills cultivated in the waterproofing business for buildings and housing protect structures from wind and rain, while the design quality and environmentally friendly standards refined in the flooring business create comfortable living spaces. By utilizing the strengths of each business, the company continues to advance product development and take on challenges in a wider range of fields.
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