Last Updated： Aggregation Period:Feb 11, 2026～Mar 10, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Feb 11, 2026～Mar 10, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Feb 11, 2026～Mar 10, 2026
This ranking is based on the number of page views on our site.
1～30 item / All 33 items
Eliminate noise issues. Moreover, it's affordable.
Conventional roadside ditches have had significant issues with noise and chipping caused by the rattling of the covers during vehicle passage. The FX ditch solves this problem, being narrower even with the same water surface, which allows for an increase in sidewalk width. Additionally, its slim design can reduce excess leftover soil by 10%.
NETIS Registration: CB-100060-A (Old Number) Soundproof Type Free Slope Ditch 'OS Ditch'
○ 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 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 type free gradient ditch) ○ The soundproof type free gradient ditch "OS ditch" is a low-carbon concrete product made using blast furnace slag fine powder.
Soundproof type soil retaining free slope ditch "Soil Retaining OS Ditch"
○ The soil-retaining OS drainage ditch is a soundproof type free gradient drainage ditch that is constructed on-site by setting a "cassette floor (bottom plate block)" into the "OS drainage ditch." ○ The soundproof type soil-retaining free gradient drainage ditch "Soil Retaining OS Drainage Ditch" is a low-carbon concrete product made using blast furnace slag fine powder.
The definitive version of slit side ditches!! "Multi U Ditch"
○ This is a gutter that can be used in various ways as a free slope gutter, irrigation channel, and drainage channel. 〇 The continuous slits provided across the entire cover ensure "reliable" water collection. 〇 The Multi U is a top-cover type gutter with a U-shaped body, offering a wide variety of specifications! We have widths ranging from W300 to W1000. ○ The cover types for Multi U include 5 variations for longitudinal use and 2 variations for transverse use. It is a multifunctional gutter that caters to customer needs! (For more details, please contact us.) * Longitudinal use - Center slit - UD slit - Street type - L-type - Angle rise type - Drop cover center slit * Transverse use - Fixed cover center grating - Fixed cover full grating ↳ Products can be made to match the longitudinal slope! ○ This is a low-carbon concrete product made using blast furnace slag fine powder.
The rainwater retention and infiltration method promotes the creation of safe cities without floods, surrounded by water and greenery.
This is an announcement from Kyushu Polacon Co., Ltd. regarding the "Permeable Product Variable Type Gate Ditch."
Rainwater retention and infiltration methods promote the creation of safe cities free from flooding, surrounded by water and greenery.
This is an announcement from Kyushu Polacon Co., Ltd. regarding "Permeable Products: Permeable Gutters."
Drop lid type U-shaped drainage ditch according to JISA5372 Appendix E recommended specifications E-2.
Type 1 is primarily installed on sidewalks. Type 3 is rarely adjacent to vehicles, and even if vehicles do pass by, it is installed parallel to the roadway in places where they would travel at low speeds, such as during temporary stops.
Upper lid type U-shaped drainage ditch according to JISA5372 Annex E recommended specifications E-2.
■Type 1: Primarily installed on sidewalks. ■Type 2: It is rare for vehicles to run adjacent to it, and even when they do, it will be installed parallel to the roadway in places where vehicles travel at low speeds, such as during temporary stops.
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.
L-shaped drainage ditch according to JISA5372 Appendix E recommended specification E-4 and JISA5371 Appendix C recommended specification C-1.
■L-shaped drainage channel JISA5372 - Mainly used for mount-up types with a height of 100mm or less. ■L-shaped drainage channel JISA5371 - It is rare for vehicles to run adjacent to each other, and even if they do, it is in places where they travel at low speeds, such as temporary stops, and is installed parallel to the roadway.
In the entrance areas of low-traffic roads, such as cross ditches, apartments, and parks, there are strip-shaped ditches.
Pipe Strainer "Color Y Bar Grating" is ideal for cross-drains and side ditches on roads with low traffic, as well as for entrance areas in apartments and parks. With a coloring that enhances the landscape, it features a safe non-slip design and a fine opening that is reassuring for everyone. Its unique shape is designed to prevent the wheels of women's high heels, strollers, and wheelchairs from dropping in and slipping. Additionally, it is resistant to blockages from stones and debris, resulting in less clogging, maintaining its beauty over time, and making cleaning easy. For more details, please contact us or download the catalog.
In the strip-shaped ditches at the entrances and exits of roads with low traffic, as well as in apartments and parks.
Pipe Strainer "Crocodile Grating" is ideal for crossing ditches and side ditches on roads with low traffic volume, as well as for entrance areas in apartments and parks. It features fine non-slip surfaces, and the bearing bar uses a T-shaped (T-BAR) design. The T-bar, which is less prone to clogging, allows stones and debris that pass through the top to fall into the ditch without getting stuck along the way. This makes cleaning and maintenance easy while providing a clean appearance. Additionally, there are three rows of NS protrusions on the top of a single T-BAR steel material, significantly enhancing the non-slip effect compared to conventional products. It is an ideal product for places where many people gather, such as parks, sports facilities, and public spaces. For more details, please contact us or download the catalog.
No puddles! Improved drainage effect even with permeable pavement!
"Strong Guard Ditch" is a drainage ditch equipped with drainage fittings, enhancing drainage effectiveness! How about using it at roadways and parking lot entrances? ■ A ditch that considers both people and the environment ■ Effectively drains rainwater from permeable pavement ■ No puddles will form even if the road surface sinks *For details, please request materials or view the PDF data from the download.
It can also be used as a bicycle path-compatible type! It is a box-shaped drainage system that can accommodate various pavement thicknesses.
"All Weather" is a box drain designed with an increased number of side drainage holes to accommodate permeable pavement, allowing for more uniform and efficient drainage. The position of the side drainage holes can be adjusted to accommodate various pavement thicknesses. To ensure smooth water flow during low water levels, the bottom of the pipe channel is shaped in an R-type, which minimizes sediment accumulation even during prolonged good weather. Additionally, we offer options such as the "All Weather Non-Slip Type," which places greater emphasis on slip resistance, and the "All Weather Bicycle Path Compatible EJ." 【Features】 ■ Allows for more uniform and efficient drainage ■ The position of the side drainage holes can accommodate various pavement thicknesses ■ Excellent at collecting water runoff, minimizing water accumulation in the entry area ■ Reduces sediment accumulation even during prolonged good weather ■ Can be used as a bicycle path compatible type with an apron width of 80mm and an apron slope of 2% *For more details, please refer to the PDF materials or feel free to contact us.
Solve step differences and rattling noise in a short construction period! A renewal method to create multifunctional underground drainage ditches!
The "LS High-Tensile Culvert Creator" improves safety for passage as the surface of the drainage ditch is paved. It is suitable for designs that widen the sidewalk during rainy weather, as the effective width of the shoulder is expanded. By combining with asphalt paving materials, it creates a multifunctional buried drainage ditch through longitudinal and transverse ditch renewal methods! It solves step differences and rattling noise in a short construction period. [Features] - Since it is made of high-tensile steel, it is easier to secure the required paving thickness compared to conventional steel. - Construction period can be shortened as there is no need to replace the drainage ditches. *For details, please contact us or download the PDF.
Withstand the passage of large vehicles (T-25)! Evolving technology supports comfortable urban functions.
"CH-II" is a variable gutter that eliminates noise from the cover plate with its unique technology, and can construct a strong and functional roadside gutter through the use of bolt connections and sealing materials. It can withstand the passage of large vehicles (T-25), requires no joint treatment, and prevents joint separation through the bolt connection method. This product completely transforms the image of traditional roadside gutters and is well-suited to meet the new urban functions that are required. 【Features】 ■ Withstands the passage of large vehicles (T-25) ■ Stabilizes the cover plate with unique technology, eliminating noise ■ No joint treatment required due to the use of sealing materials ■ Prevents joint separation through the bolt connection method *For more details, please refer to the PDF document or feel free to contact us.
U-shaped drainage ditch made of plastic for easy transportation and effortless installation.
We handle "U-shaped gutters" that can be transported without the use of heavy machinery. They are particularly suitable for construction in narrow spaces where only people can enter. Please feel free to contact us if you have any requests. 【Features】 ■ Lightweight, allowing for manual transportation, installation, removal, and relocation ■ Good flow structure that minimizes sand accumulation ■ Compatible with commercially available grating *For more details, please download the PDF or contact us.
Can be used as auxiliary drainage for the drainage ditch.
This is a steel permeable gutter that can be used as auxiliary drainage for drainage ditches in locations where it is difficult to draw drainage routes. It comes standard with a locking feature to prevent noise and rattling. An optional screen is available to suppress debris and fallen leaves from falling through the gaps in the grating. For more information, visit: https://www.chubu-net.co.jp/kenzai/Product/detail/US190
Steel side ditches that ensure drainage capacity in a limited installation cross-section.
The drain creator uses high-tensile steel for the beam members that support the load, allowing for a larger water flow cross-section. Even with a small cross-section, it has a significant drainage effect and load-bearing capacity, and its lightweight design enables efficient construction without heavy machinery. (T-25 design)
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 storing and infiltrating rainwater, it helps restore the natural cycle. The number of side drainage holes designed to accommodate permeable pavement has been increased, allowing for 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, options for pavement drainage holes and grating-covered ditches are available. ■ 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 during prolonged dry weather. *For more details, please refer to the PDF document or feel free to contact us.
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.
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.
The twin side ditch has a high drainage capacity and is a buried type that is not exposed on the road surface.
【Shoulder Clarity】 【Bicycle Path, Bicycle Lane Compatibility】 The twin side ditches are equipped with continuous water conduits and drainage holes just below the surface of the permeable pavement, providing high drainage capacity by draining water within the permeable pavement layer downward. Additionally, the top surface of the side ditches is not exposed at the edge of the roadway, and the pavement surface uniformly continues up to the boundary blocks between the pedestrian and vehicle areas.
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.
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.
Introducing reinforced concrete L-shaped gutters made of concrete products.
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. For concrete products, we offer four types of reinforced concrete L-shaped drainage products: Type 1, with designations 250A, 250B, 300, and 350. The length is 600mm and the height is 155mm, with reference weights of 45kg, 56kg, 63kg, and 70kg, respectively. For more details, please contact us or refer to our catalog.
Slope-compatible roadside drainage ditch that can be installed without gradient changes on roads with a slope.
The "FR (Free Rotation) Cross Drainage Ditch" is a drainage structure used at crossing points. Traditionally, ditches were constructed horizontally, resulting in changes in slope. However, by using this product, it allows for smooth vehicle movement across the crossing without any changes in slope, thereby improving safety. 【Features】 ■ Seamlessly accommodates the longitudinal slope of the road ■ Achieves smooth vehicle movement without changes in slope ■ Reduces the impact on the ditch during vehicle passage, thereby suppressing deterioration of the ditch and eliminating noise *For more details, please download the PDF or feel free to contact us.
Secure a wide shoulder width! The upper and lower split cassette type accommodates various sites.
"CS Sokkō" is a new type of slotted drainage developed based on our extensive track record of urban slotted drainage, adapted to the guidelines for creating bicycle-friendly environments. It features a narrow apron width and a wide shoulder width, ensuring that the grating of the management drainage section does not protrude into the roadway, thus not obstructing bicycle passage. Additionally, by simply changing the upper cassette (for longitudinal, transverse, or UD access) for a single lower drainage channel, it can accommodate various situations. 【Features】 ■ Split design ■ Ensures a wide shoulder width ■ Upper cassettes that can be selected based on site conditions ■ Secures a rich flow rate ■ Allows for the pouring of inverted concrete *For more details, please refer to the PDF document or feel free to contact us.
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.
The soundproof structure of the lid and main body prevents rattling and suppresses noise!!
■The FX side ditch prevents rattling and suppresses noise by ensuring line contact between the curved surface of the main lid receiving part and the slope at the bottom of the lid. ■The FX side ditch has flat side surfaces, allowing for close construction to adjacent structures, enabling sufficient compaction, and preventing pavement settlement. ■Compared to conventional drop lid U-shaped side ditches, the FX side ditch is lighter and slimmer for both the ditch and the lid, allowing for smooth work during installation. ■The FX side ditch can be equipped with drainage filters for drainage products, making it compatible with permeable pavements. ■The FX side ditch offers a wide variety of components, not only for standard longitudinal use but also for "entrance/exit," "one-sided earth pressure," "corners," "sediment traps," and "manholes."
