Gumlon Fort: Underground Waterproofing and Pre-Installation Method (Civil Engineering Underground / Building Underground)
This is a method of performing waterproofing work "in advance" using soil retention and excavation support as a base before the placement of the structural concrete for underground structures. It is a space-saving and highly efficient method due to the narrow excavation area.
The high-reliability modified asphalt sheet "Gumron Fort" is applied to the retaining walls and slopes before the concrete is poured, connecting with the concrete that will be poured later to demonstrate its waterproofing function. Compared to the "post-pouring method," this underground waterproofing method allows for a narrower excavation range and eliminates the need for backfilling and other tasks, making it suitable for space-saving and improving work efficiency. The construction begins by securing the asphalt molded board "Balistar WP" as a base material for applying the waterproofing material to the retaining walls and slopes, followed by attaching Gumron Fort on top, after which the concrete is poured. *For more details, please refer to the PDF document or feel free to contact us.*
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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.