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

Last Updated: Aggregation Period:Jul 16, 2025~Aug 12, 2025
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Gutters Product List

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Side ditch "Box-shaped U-shaped side ditch drainage type"

Registered with NETIS! Equipped with a distributed water collection function and soundproofing features, cost reduction is also achievable.

The "Box-shaped U-shaped Drainage Collection Type" features a vertically cut lid that allows for the straight collection of surface water, making it less prone to clogging. Thanks to its dispersed water collection function, surface water can be drawn into the drain through the cutouts on the side of the lid, utilizing the alignment features between the drain and the lid. Additionally, by minimizing vertical, horizontal, and rotational misalignments, it helps prevent wear and chipping, making it difficult for the lid to shift and thereby reducing any rattling to a minimum. 【Features】 ■ Designed for load class T-25 ■ Dispersed water collection function ■ Cost reduction ■ Soundproofing function ■ Compatible with drainage pavement *For more details, please feel free to contact us.

  • Gutters and U-shaped gutters

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Bicycle Path Maintenance-Compatible Ditch "NK Slit Ditch Type II"

Low-cost type drainage ditch considering the safety of two-wheeled vehicles!

This is a low-cost half-buried type drainage ditch that minimizes the exposed concrete surface and excels in safety for two-wheeled vehicles on the roadside. Rainwater can be collected through the slits in the exposed surface, and drainage from permeable pavement is possible through the openings on the top surface of the main body. 【Features】 - A drainage ditch designed for bicycle paths with excellent safety - Expanded width for bicycle travel (150mm exposed surface) - Complies with the guidelines for creating bicycle-friendly environments, accommodating a transverse slope of 2% - Collects water through slits at the ends and supports drainage from permeable pavement - Economically advantageous - Can accommodate variable slopes This product has been registered with NETIS (SK-170004-A). *For more details, please download the PDF or feel free to contact us.

  • Gutters and U-shaped gutters

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Small Animal Protection Ditch "Haidasale Type II"

This is a product developed to help small animals and insects that have fallen into ditches escape from them.

The "Haidasale Type II" is a product developed by modifying a part of a standard drainage ditch to create a slope, allowing small animals and insects that fall into the ditch to escape. While the ditch may not pose a problem for humans, it can be a significant barrier for small animals and insects. We propose this solution with the hope of saving as many lives as possible. The installation involves partially cutting the side wall of the ditch, attaching the Haidasale Type II, and finishing the gaps with joint mortar. 【Features】 - Being a precast product, it allows for easy installation and can shorten construction time. - By installing the slope only on the mountain side, it prevents small animals from crawling out onto the road side. - Easily connects to standard JIS drainage ditches and corner flumes. - NETIS-CG-990009-V - Awarded the Japan Design Award. For more details, please contact us or download the catalog.

  • Gutters and U-shaped gutters
  • Dam construction
  • Other civil engineering works

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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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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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Road products - Pipe-type drainage ditch (composite type) - IBC drainage ditch

Finally completed the unified type of conduit-type side ditch.

This is an announcement from the Ibaraki Prefecture Concrete Products Cooperative regarding the "IBC Drainage Ditch."

  • Gutters and U-shaped gutters
  • Secondary paving products

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Reborn Road Reinforced Concrete Ditch (RPU)

A roadside ditch that eliminates lid rattling and reduces noise.

The Reborn gutter reduces noise generation structurally by making the lid receiving part curved. It is available at the same price as standard JIS gutters and adds noise prevention and anti-slip effects. Additionally, it supports internal hanging, significantly improving workability.

  • Gutters and U-shaped gutters
  • Dam construction
  • Other civil engineering works

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ARVS side ditch

Art-patterned free gradient side ditch

[NETIS CG-980014-V] The surface features an art pattern (convex pattern), and the lid support section has a reborn shape (curved shape) with a free gradient side groove. Due to the art pattern, it not only excels in aesthetic appeal but also offers expected anti-slip effects. Additionally, the lid support section's reborn shape (curved shape) is expected to provide noise reduction benefits.

  • Gutters and U-shaped gutters
  • Dam construction

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Slotted ARVS side ditch

Longitudinal continuous drainage free slope ditch

【NETIS CG-980014-V】 Due to the slits, it can continuously collect water in the longitudinal direction. This allows for the collection of road drainage over the shortest distance, preventing water from pooling on top of ditches. Additionally, the artistic pattern enhances the aesthetic aspect. In the case of a retaining wall specification, a cassette wall is used.

  • Gutters and U-shaped gutters
  • Dam construction

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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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Urban-type gutter (Shape-up slit)

Slim groove of oval tube type

[NETIS CB-990039-V] This is an egg-shaped pipe type of underground side ditch with a slit drainage function, allowing for continuous water collection. Additionally, its slim shape and lack of a cover make it suitable for narrow roads. It received the Encouragement Award at the 2nd National Land Technology Development Award.

  • Gutters and U-shaped gutters
  • Grating
  • Dam construction

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