Box Culvert / Large Box Culvert Product Catalog
A wide variety of association standard box culverts and two-part box culverts are available!
This catalog introduces "Box Culverts and Large Box Culverts." It features various products, including the "MC Hole," a manhole used for the maintenance and management of box culverts buried underground, and the "Arch Culvert," which ensures high watertightness by using rubber rings at the joints. Please make use of this for selecting products. [Featured Products (Partial)] ■ RPCA - National Box Culvert Association Type ■ MC Hole ■ RPCA-DCJ Box Culvert ■ Arch Culvert ■ C.C. BOX Joint Utility Trench *For more details, please refer to the PDF document or feel free to contact us.
basic information
【Other Listed Products】 ■ Two-Part Box Culvert ■ Four-Part Large Box Culvert ■ Long Span Culvert ■ Free Angle Box Culvert ■ Texpan *For more details, please refer to the PDF materials or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Since our founding in 1925, we have contributed to the development of Japan's land through concrete products. From Sendai in the north to Hiroshima in the south, we respond to inquiries from various regions through a wide network. We have also established a system for delivering products from our own factory and manufacturing partners across the country. We offer over 1,800 types of products, the majority of which are original. We propose many products that contribute to "national resilience" as disaster prevention and mitigation measures against typhoons, floods, water damage, and landslides. With the motto "Proposal and technical capabilities that shape the future of Japan," we strive to meet our customers' expectations.

















































