List of Road, bridge and tunnel materials products
- classification:Road, bridge and tunnel materials
2386~2430 item / All 3093 items
A NETIS registered product that is easy to handle and excels in construction performance and cost-effectiveness! *A collection of construction case studies will be provided.
- Paving Materials
Edge lines are inconspicuous and easy to install! Ideal for the edges of grass and tile paving.
- Paving Materials
Introducing geothermal energy for smart usage in energy saving, conservation, and efficiency measures!
- Snow melting equipment
- District heating and cooling/heat source system
- Exterior snow melting equipment
<NEITS Registration> Low cost and low noise. No crane is needed, and installation can be done by a small number of people in a short time.
- Paving of sidewalks, roads, parking lots and stadiums
- Secondary paving products
In most cases, it is possible to significantly improve when bolts "loosen," "break," or when "working time" and "workload" are involved.
- Safety and consumables
- Work tools
- Bridge Materials
A lineup of agricultural machinery in general and bridges for riding agricultural machines!
- Bridge Materials
This is a medium-sized block that can be used as a buffer material for road construction work zones, as well as for lane separation and lane narrowing at toll booths.
- Road construction
- Bridge Construction
- Road facilities
New materials that contribute to greening measures and the mitigation of the heat island phenomenon! *Free samples available.
- Paving Materials
It is a medium-sized high block that can be stacked for storage and preservation.
- Road construction
- Bridge Construction
- Road facilities
This is a fence-type high block designed for wind flow. With a height of about 1 meter, it is easy to see even for large vehicles!
- Road construction
- Bridge Construction
- Road facilities
This is a large block that can be used as a buffer material for road construction work zones, as well as for lane separation and lane narrowing at toll booths.
- Road construction
- Bridge Construction
- Road facilities
Harness solar energy to demonstrate power even during nighttime disasters! Use it for PR in municipalities, facilities, and tourist spots, as well as for advertising with company logos!
- Grating
- Road signs and road accessories
Capable of long-distance pumping of approximately 4,000m! A low shrinkage, long-distance pumping type of plastic filling injection material.
- Tunnel Materials
- Bridge Materials
A wide variety of wire mesh fences with excellent strength, durability, and workability, as well as solar power-related materials, are currently featured!
- Protective fence
- Fences, screens, and partitions
- Solar mounting brackets and fittings (solar fittings and protective sheets)
Torque 500 to 24,000 Nm, inner diameter φ24 to φ170, and more. Disk pack compatible with large products. Coupling.
- Tunnel Materials
- Drilling Machine
- Rock drills, demolition machines, and excavators
A post stake that allows for easy sign installation anywhere has arrived!
- Pile and foundation work
- Piles, caissons, sheet piles
- Road signs and road accessories
A lineup of landscape and park items such as guideboards, signposts, and benches with a Japanese-style design that are popular among tourists from overseas. [Free catalog available]
- Gates, walls and fences
- Road facilities
- Wood processing

Updated construction achievements (May feature "Japanese style")
The feature for May is "Japanese Style," and we have added three construction achievements. Wooden facilities blend well with traditional townscapes. This time, we delivered wooden facilities suitable for various Japanese landscapes, such as hot springs, historical parks, and Japanese gardens. At Zaiens, we offer not only custom designs but also a selection of standard products in Japanese style, such as "pavilions," "signs," "bollards," "benches," and "fence panels," to make it easier for customers to choose.
This is a foldable scattering prevention net that can be installed in a flexible shape according to the site conditions.
- Protective fence
Construction progresses quickly, allowing for significant cost reductions. A high-quality, stable, and beautiful finish.
- Tunnel Materials
- Concrete wall
Achieving a travel space without step differences. Preventing puddles with continuous slit drainage, ensuring safety even on rainy days.
- Gutters and U-shaped gutters
Vinylock is a product that maintains performance equivalent to Saranlock while keeping costs down through innovative materials.
- Drainage material
- Ground improvement materials
- Gutters and U-shaped gutters
We assist in extending the lifespan of asphalt pavement.
- Paving of sidewalks, roads, parking lots and stadiums
- Pavement construction
- Paving Materials
We will shape various environments of the new era.
- Grating
- panel
- others
The second installment using the groundbreaking state-of-the-art Cool Armor CA3! The ultimate weapon against heatstroke has arrived! Achieving what air cooling couldn't with water cooling!
- Paving Materials
- Others/Roofing materials (shingles, cement, steel sheets, aluminum)
- Pavement construction
Adopting the "Perfect Joint Construction Method"! Utilizing the principle of leverage for one-touch installation!
- Gutters and U-shaped gutters
- Secondary paving products
A large number of concrete secondary products handled by our company are listed!
- Gutters and U-shaped gutters
- Rainwater tank
- Car and bicycle parking facilities
The mountain fold processing installed on the fence reduces "deflection." It enables ease of handling and reduces the workload for transportation and construction. It achieves strength that withstands...
- Power generation equipment
- Protective fence
We handle a large number of LED signs and boards for public facilities and commercial establishments!
- Garden lighting/lights (LED/solar)
- Sign construction
- Road signs and road accessories
Beautiful in appearance, durable, and economical enamel products!
- Road signs and road accessories
- Other construction services
- Other store equipment and supplies
No special tools are needed; just insert it into the hole and step on it for easy installation! All-weather pavement repair material.
- Secondary paving products
- Airport facilities
It is used as an environmental chemical for water treatment, water quality improvement, soil improvement, and also as a reducing agent for chromium.
- Tunnel Materials
- Drainage material
- Ground improvement materials
We provide a consistent service from design to installation!
- Renovation Design
- Road signs and road accessories
By attaching the device to the signboard, voice guidance is possible. There are various ways to utilize it.
- Road signs and road accessories
Adopts stainless steel core! Achieves strength like stainless steel with plastic grating.
- Grating
It's lightweight, so no heavy machinery is needed for installation!! It can be installed by one person!!
- Piping materials (plastic pipes)
- Gutters and U-shaped gutters

[Exhibition Participation Information] International Agricultural Materials EXPO @ Makuhari Messe / October 9-11, 2019
We will be exhibiting at the 9th International Agricultural Materials EXPO, held at Makuhari Messe from October 9 to October 11, 2019, by Ripi Plus Co., Ltd. We will showcase our products, including the bestseller "Ripi Board." We will also display our popular product "Ripi Board Light," which started sales in July 2019. Entry is free with an invitation ticket or by pre-registering on our website. We have invitation tickets available, so please contact us if you would like one. We look forward to seeing you there.
Weather-resistant for over 20 years!! Easy to set up and maintain!! Plastic U-shaped trough that can be used as a cable trough for solar power plants and other facilities!!
- Gutters and U-shaped gutters
- Grating
- others
Weather-resistant for over 20 years!! Easy to set up and maintain!! Plastic U-shaped troughs that can be used as cable trays for solar power plants and other facilities!!
- Gutters and U-shaped gutters
- Grating
- others
The uses are various. It is helpful in many different situations.
- Gutters and U-shaped gutters

[Exhibition Participation Information] International Agricultural Materials EXPO @ Makuhari Messe / October 9-11, 2019
We will be exhibiting at the 9th International Agricultural Materials EXPO, held at Makuhari Messe from October 9 to October 11, 2019, by Ripi Plus Co., Ltd. We will showcase our products, including the bestseller "Ripi Board." We will also display our popular product "Ripi Board Light," which started sales in July 2019. Entry is free with an invitation ticket or by pre-registering on our website. We have invitation tickets available, so please contact us if you would like one. We look forward to seeing you there.
Ideal for water channels and drainage treatment!! U-shaped gutters made of recycled plastic with over 20 years of weather resistance.
- Drainage and ventilation equipment
- Gutters and U-shaped gutters
Durable for over 20 years. Made from recycled plastic, so connections and processing are easy!
- Drainage and ventilation equipment
- Gutters and U-shaped gutters
A compact and easy-to-install, move, transport, and store simple barrier.
- Protective fence
On-site concrete filling is possible without heavy machinery! A multipurpose protective fence that can also be filled with water bags!
- Protective fence
Easy installation and removal without heavy machinery! Water-filled, high-performance temporary protective fence!
- Protective fence
We are pleased to introduce many of our works that are active in various locations!
- Sign construction
- Road signs and road accessories
- Spatial Design
A wide variety of bolts and anchors used for various types of supports such as overpasses are available!
- Bridge Materials
- Other civil engineering works