Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
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A circular water channel with continuous drainage ditches in the longitudinal direction.
It is a product that possesses five features: economic efficiency, functionality, high constructability, high quality, and beauty.
Precast L-shaped gutter "PL Gutter" with the apron part of the combined L-shaped drainage molded integrally with the curb.
○ This is a long L-shaped drainage channel with an apron section molded integrally with the curb. ○ Available in Type A, Type B, and Type C. ○ Types A and B also come in a thickness of 200 in addition to the 150 thickness. ○ The precast L-shaped drainage channel "PL Gutter" is a concrete product with excellent durability.
It is a circular drainage channel for road stormwater that has a small installation space and excellent economic efficiency.
The economy drainage channel "e-Suru" is a circular waterway for road rainwater drainage that enhances compact installation space and cost-effectiveness through the thinning and lightweight design of the product. There are three types: S-type for mounting, flat T-type for entry points, and R-type for entry points (buried specification). It is compatible with T-25 parallel loads for general vehicles. (It cannot be used for road crossings.) The catch basins and boundary blocks are specialized. 【Features】 ○ Box girder structure ○ Achieves thin and lightweight cross-section ○ Compact installation space and excellent cost-effectiveness ○ Dedicated boundary block installation requires no dry mortar and uses a bolt structure ○ NETIS registration number KK110014-A For more details, please contact us or download the catalog.
Introducing concrete products for free gradient side ditches [urban type].
Yotsuba Co., Ltd. is engaged in corporate activities that support the development of social infrastructure in Toyama Prefecture, focusing on the theme of "urban environmental creation and town development." We strive for superior product development and stable quality assurance and supply, ranging from exteriors to environmental products and precast concrete products. Our urban-type concrete products include four sizes of free-slope gutters: 250×300/400/500/600. The lengths are 2000mm, and the heights are 430/530/630/730mm, with reference weights of 286/332/433/489kg, respectively. For more details, please contact us or refer to our catalog.
A ditch that can properly set the drainage slope and form a vertical rectangular water flow section.
■It is possible to set the drainage slope appropriately and form a vertical rectangular water flow section. ■The structure is designed for a 25-ton vehicle. ■Due to the frame structure, the overall strength is balanced. ■To support product arrangement suitable for the site, the side wall height is standardized in 10 cm increments. ■A wide variety of types are available, including for fractional adjustments, corner cuts, support line installations, and crossings.
General-purpose pedestrian and vehicle boundary blocks are available! Narrow apron width pipe-type ditches.
The "Line Drainage Block - V Type 300" is a compact channel-type gutter that creates a safe and comfortable road space. It eliminates cross slope breaks, ensures flatness, and resolves steps and grooves that hinder passage. Additionally, the finely pitched independent slit design makes it difficult for bicycle tires entering at an angle to get stuck. 【Features】 ■ Improved safety for shoulder riding ■ Elimination of water puddles & suppression of water splashes ■ Compact with high workability ■ Reduction of traffic regulation area ■ Reduced risk of interference with underground installations *For more details, please refer to the PDF document or feel free to contact us.
