Gutters(25t) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
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Gutters Product List

31～41 item / All 41 items

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Reduced cross-section and space-saving design! Steel side ditch for shoulder drainage 'Smart Drain'

Reduced cross-section and space-saving design! Steel side ditch for shoulder drainage 'Smart Drain'

There are no gradient breaks, and the safety of the road shoulder is improved! The water flow capacity is about twice that of the conventional L-shaped drainage channel.

The "Smart Drain E-100 Type" is a steel side ditch that maintains a constant slope, ensuring safety. By having a consistent cross slope, the need for a street apron is eliminated, allowing for a 40 cm increase in the width of the roadway and sidewalk. Additionally, despite its lightweight and compact structure, its water flow capacity is approximately twice that of conventional L-shaped street ditches. 【Features】 ■ Improved safety ■ Increased road width ■ Approximately double the water flow capacity ■ Lightweight and strong compact design ■ Cost-effective *For more details, please refer to the PDF or feel free to contact us.

  • Drainage and ventilation equipment
  • Gutters and U-shaped gutters

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Concrete DCT drainage ditch

Concrete DCT drainage ditch

Soundproof, drainage, variable slope, DCT gutters that excel in barrier-free design.

- Designed for load longitudinal T-25 compliance - Distributed water collection function - Soundproofing function - Compatible with drainage pavement - Effective use of road width - Good workability - Barrier-free compliance - Variable slope capability - Registered with NETIS

  • Gutters and U-shaped gutters
  • Dam construction

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Sanwa Concrete Industry Co., Ltd. Product Comprehensive Catalog

Sanwa Concrete Industry Co., Ltd. Product Comprehensive Catalog

Various uses at construction sites! A wide range of secondary processed cement products available!

The "Sanwa Concrete Industry Co., Ltd. Comprehensive Product Catalog" is a comprehensive catalog from Sanwa Concrete Industry Co., Ltd., which mainly operates in the construction-related industry. It features various products tailored to different applications, including the minister-certified earthquake-resistant retaining wall "L-shaped retaining wall (HD wall)," as well as "boundary blocks" and "top-cover U-shaped gutters." For concrete products, please feel free to contact us. [Contents] ■ L-shaped retaining wall ■ Pedestrian and vehicle boundary blocks ■ Economy gutters ■ Gutters ■ Barrier-free gutters ■ Multi-slit gutters ■ IBC drainage gutters ■ L-shaped curb with slit gutters ■ Box culverts and drainage ditches ■ Stacked blocks ■ Water channels ■ Soil retention ■ Boundary stakes, etc. *This catalog is a digest version. Please contact us if you need the full version. *For more details, please refer to the catalog or feel free to contact us.

  • Ready-mix concrete

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Slit Side Ditch "Urban Type Street Drain JS-150"

Slit Side Ditch "Urban Type Street Drain JS-150"

Achieving a travel space without step differences. Preventing puddles with continuous slit drainage, ensuring safety even on rainy days.

The "Urban Type Street Drain JS-150" is a small cross-section drainage block used as a replacement for L-shaped street drains. By continuously collecting water through the slits, it narrows the apron width and provides a wider space for bicycle traffic. The slit width is 15mm, allowing for safe passage of road bikes. The hydraulically efficient oval cross-section eliminates the need for cleaning inside the pipe. Furthermore, the boundary blocks use JIS type, making it easy to change, replace, or repair, and it is also possible to install them while leaving existing boundary blocks in place. 【Features】 ■ No step in the riding space ■ Safe 15mm slit for road bikes ■ Complies with the "Guidelines for Creating a Safe and Comfortable Bicycle Use Environment" ■ Continuous slit drainage that prevents puddles ■ Anti-slip processing for safety even on rainy days ■ Lower cost due to wider spacing between catch basins compared to L-shaped street drains *For more details, please refer to the PDF document or feel free to contact us.

  • Gutters and U-shaped gutters

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Attention Factory and Facility Managers: Proposal for Cross Drains!

Attention Factory and Facility Managers: Proposal for Cross Drains!

Are you having trouble with the drainage ditches where large vehicles frequently cross? We would like to introduce you to sturdy drainage ditches that have a proven track record at factory entrances and highway rest areas!

"Concrete chipping and rattling sounds have started to occur... It's about time we need to renovate the drainage ditch." "If we reinstall the same drainage ditch, it might break again?" For those facing such concerns, we propose our cross-drainage ditches! 【Steel Drainage Ditch Smart Drain, Type C and E Features】 ■ High strength due to the use of square steel pipes (Cross-section T-25) ■ Rattling sounds are less likely to occur because the top is welded with a checker plate! ■ Compact design allows for space-saving installation! 【Special Circular Waterway for Cross-Drainage Features】 ■ The lid and waterway are molded as a single unit, making it sturdy! ■ The top is wrapped with steel material, making it less prone to chipping! (See reference image) ■ The grating is recessed to minimize contact with tires, reducing rattling sounds! (See reference image) 　※ It does not accommodate loads from large vehicles or twisting of wheels on the drainage ditch. We have a proven track record in many facilities where large vehicles frequently enter and exit, such as factories, distribution centers, facility entrances, and parking/service areas on highways. We encourage you to consider our products at this opportunity.

  • Gutters and U-shaped gutters
  • Paving of sidewalks, roads, parking lots and stadiums

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Box gutter Polacon All Weather

Box gutter Polacon All Weather

The running is different! By storing and infiltrating rainwater, it helps restore the natural cycle.

The box drainage system "Polacon All Weather" features sides made of Polacon, providing excellent permeability. By allowing rainwater to be stored and infiltrated, it helps restore the natural cycle. The number of side drainage holes has been increased to accommodate permeable pavements, enabling more uniform and efficient drainage. 【Features】 ■ The position of the side drainage holes can accommodate various pavement thicknesses. ■ To enhance the drainage capacity of the apron section, drainage holes in the pavement and side ditches with grating covers can be selected. ■ The bottom of the pipe channel is shaped in an R design to ensure smooth water flow during low water levels, minimizing sediment accumulation even in prolonged dry weather. *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>
  • Pavement construction
  • Gutters and U-shaped gutters

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Reborn Side Ditch "Drop Lid Type U-Shaped Soundproof Side Ditch"

Reborn Side Ditch "Drop Lid Type U-Shaped Soundproof Side Ditch"

Reduces noisy rattling sounds! This is a gutter that eliminates noise generated during vehicle passage.

The "Reborn Side Drain 'Drop Cover Type U-shaped Soundproof Drain'" analyzes the structure that generates noise and has been designed to fundamentally prevent noise by making the cover support part curved (R). There are also types that accommodate permeable pavement and road surface subsidence, as well as rainwater retention and infiltration types that suppress rainwater runoff. Additionally, we offer a free slope soundproof type of RVS drain in our lineup. 【Features】 ○ Noise reduction due to structural factors (curved cover support) ○ No need to use noise prevention rubber or similar materials ○ The curved cover support prevents debris from accumulating during drain cleaning ○ Easy removal of the cover due to the curved design ○ No special construction techniques are required For more details, please contact us or download the catalog.

  • Gutters and U-shaped gutters
  • Dam construction

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Multi-slit drainage ditch *Comprehensive catalog available for free! (Examples available)

Multi-slit drainage ditch *Comprehensive catalog available for free! (Examples available)

By simply increasing the formwork, we can achieve a variety of variations. Formwork costs are reduced, and productivity is improved! We respond to various site needs with multifunctionality.

The "Multi Slit Gutter" is a road product handled by Kitamura Concrete Industry. It does not require a hollow type like pipes or circular water channels, and by simply increasing the number of cover molds, it can offer many variations, reducing mold costs and improving productivity. Additionally, a cost-effective Type II gutter has been standardized, following the JIS design as a dedicated cross-section gutter, allowing for the construction of slit gutters at a low price. It meets various site needs with multiple functions such as free slope, drainage pavement, barrier-free compliance, prevention of cover rattling, and prevention of grating protrusion. 【Features】 ■ Achieves low cost ■ Functional to accommodate various situations ■ 7 variations compatible with T-25 vertical and horizontal cross-sections ■ Ministry of Land, Infrastructure, Transport and Tourism NETIS registration number: KK-980098 (technology with expired NETIS listing period) ■ New technology organization number by the Japan Highway Public Corporation: 200200002 *For more details, please refer to the PDF materials or feel free to contact us.

  • Gutters and U-shaped gutters

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Permeable circular drainage ditch

Permeable circular drainage ditch

Rainwater treatment methods in urban areas! Exhibiting excellent infiltration capabilities with a permeability coefficient of 0.5 cm/sec or higher.

The "Permeable Circular Drain" utilizes the technology of precasting circular drains and incorporates the function of permeability, leading to its development. It excels in aesthetic appeal and has been adopted by many government agencies, architectural firms, and surveying offices. We offer a wide range of products, including the urban-oriented circular drain "Floor Type," the "Mound Type" suitable for road drainage permeability, and the "Grating Type S-I" with a 2% slope that accommodates barrier-free design. 【Features】 - Utilizes the technology of precasting circular drains while adding the function of permeability. - Made with high-quality aggregates from the Kinugawa River. - Exhibits excellent permeability with an average permeability coefficient of over 0.5 cm/sec. - Capable of returning rainwater to underground soil, contributing to groundwater replenishment. - The structure complies with T-25 standards, making it suitable for use as a roadside drain. *For more details, please refer to the PDF document or feel free to contact us.

  • Gutters and U-shaped gutters

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Rectangular cross-section drainage channel for side ditches "Kukei waterway"

Rectangular cross-section drainage channel for side ditches "Kukei waterway"

This is a rectangular cross-section water channel for ditches that enables a reduction in the height of drainage pipes.

The "Kukei Waterway" was developed for side ditches such as box tunnels. The roads established underground are divided into the space for vehicle passage and the lower surface where road drainage side ditches are installed. The most significant factor in determining the depth of the lower surface when planning underground structures like tunnels is the height of the road drainage structures. The "Kukei Waterway" significantly reduces height while maintaining performance equivalent to conventional drainage channels in both the waterway and the chamber sections, allowing for a reduction in the excavation depth of underground structures and a smaller size of the structures themselves, thereby lowering overall construction costs. 【Features】 - Design load corresponds to T-25 longitudinal wheel load - Complies with the Ministry of Land, Infrastructure, Transport and Tourism Kinki Regional Development Bureau Design Guidelines, Volume 3, Road Edition - Over 30% lower in height compared to circular waterways and covered open waterways - The drainage inlets for road surface drainage ensure sufficient drainage capacity through drainage experiments - Packing material is used in the joint sections For more details, please contact us or download the catalog.

  • Gutters and U-shaped gutters
  • Dam construction

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Soundproof type free slope ditch "OS ditch"

Soundproof type free slope ditch "OS ditch"

NETIS Registration: CB-100060-A (Old Number) Soundproof Type Free Slope Drainage 'OS Drain'

○ The soundproof (noise-reducing) type free gradient ditch, which adds soundproofing functionality to the conventional free gradient ditch (variable ditch) and eliminates protrusions on the sides, is becoming mainstream. Among them, this OS ditch possesses numerous excellent features that are not found in other companies' soundproof variable ditches. ○ This is a soundproof type free gradient ditch designed to guide rainwater from the road surface into the ditch. (Multifunctional free gradient ditch) ○ The soundproof type free gradient ditch "OS ditch" is a low-carbon concrete product made using blast furnace slag fine powder.

  • Gutters and U-shaped gutters
  • Secondary paving products

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