List of Road, bridge and tunnel materials products
- classification：Road, bridge and tunnel materials
46～90 item / All 3306 items
Natural wood endless tape with a thickness of 0.9 to 3 mm. It contributes to improved yield and productivity as a substitute for solid wood for the edges of furniture and fixtures.
- others
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.
- Gutters and U-shaped gutters
Reduction of personnel costs for parking attendants, ensuring pedestrian safety, and preventing rear-end collisions! Easily installable road safety products with excellent visibility for drivers.
- Car and bicycle parking facilities
- Road signs and road accessories
- Road facilities
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Two types of resin single-pipe barricades with completely different features have been newly registered in NETIS.
- Protective fence
This way of shining... is it not just a reflection!? It is a resin-made single-pipe barricade that boasts a high reflection efficiency, "incredibly bright."
- Safety Supplies
- Temporary Construction Materials
- Protective fence
In a site that demands "high safety" for temporary protective fences, this evolved resin temporary protective fence features various functions such as metal post connections and wire installation.
- Protective fence
We are manufacturing expansion devices for bridges (steel finger joints).
- Bridge Construction
- Bridge Materials
When it comes to spacers for wire mesh in slope construction, the long-selling "Simple Spacer" has been well-received in public works and disaster recovery slope projects.
- Slope protection material
- Road facilities
- Renovation and repair methods
It is a sturdy metal barricade used in conjunction with two single steel pipes.
- Protective fence
With just this one item, you can clean easily without getting your hands dirty!!
- Building Cleaning Equipment
- Gutters and U-shaped gutters
For shops and food factory kitchens! Beautiful finish, easy installation, and level adjustment is also possible.
- Gutters and U-shaped gutters
- Dam construction
Notice of Participation in the 51st Pipe and Equipment Comprehensive Exhibition
This time, Prepai Industries will be exhibiting at the "51st General Exhibition of Pipe Equipment and Facilities" held at the Aomi Exhibition Hall from June 11, 2019. ■Booth Number: A Hall 27 *We sincerely look forward to your visit.
Pavement materials for exterior use that have water permeability and water retention functions, excelling in safety, durability, environmental friendliness, and aesthetic appeal!
- Paving Materials
A new mechanism that does not use auto hinges! The debris discharge mechanism at the bottom of the rail prevents the accumulation of dirt.
- Tunnel Materials
Waterproof structure! Contributes to energy saving and reduction of maintenance costs through LED lighting devices.
- others
- Tunnel Materials
Monitor the site immediately! We'll solve it quickly with an easy camera that just needs to be placed!
- Tunnel Materials
- Security cameras and surveillance systems
Check the detection data of wrong-way vehicles from the office without having to go to the site using IoT cameras and wrong-way vehicle detection logs.
- Road signs and road accessories
- Emergency alarm system
Clearly indicate the locations of emergency phones and evacuation shafts in the tunnel! Maintain a light source even during power outages to contribute to safety and security in emergencies!
- Road signs and road accessories
- Emergency alarm system
Low total cost without basic electrical work! High visibility signage at night warns of wrong-way driving!
- Road signs and road accessories
- Emergency alarm system
Just place it down, and remote monitoring! No wiring required, you can start recording as soon as you turn on the power!
- Tunnel Materials
- Security cameras and surveillance systems
- others
Equipped with automatic door closure for the telephone unit! You can quickly report emergencies!
- others
- Tunnel Materials
Can be attached to barricades and traffic cones! Enhancing the image of safe passage.
- Safety Supplies
- Protective fence
Ready to use when needed! A simple reverse monitoring system equipped with an eco-power camera. Start immediately with rental, supporting safety. No power supply required!
- Security cameras and surveillance systems
- Security Sensor Systems
- Road signs and road accessories
A bridge expansion device proven to last 100 years! No replacement needed for new bridges for 100 years! Long-term water-tightness, maintenance-free [NEXCO specification compliant product].
- Foundation construction
- Bridge Materials
The "100-Year Bridge Project" has started! Together with companies and individuals nationwide, we will promote the appeal of social infrastructure - A press release has been distributed.
Crittec Co., Ltd. has officially launched the co-creation project "100-Year Bridge Project," which aims to promote the appeal of the bridge, civil engineering, construction, and infrastructure industries, starting from July 27, 2026. A press release regarding this project has also been distributed. The "100-Year Bridge Project" is an initiative aimed at connecting people, companies, and ideas through the symbol of a bridge, and conveying the value and importance of social infrastructure to the future. In response to our call for ambassadors, various companies and individuals from different industries and positions, including the bridge, civil engineering, and construction sectors, as well as power infrastructure and tourism guides, have participated. Moving forward, we will leverage each perspective to collaboratively share the appeal and importance of social infrastructure. We will continue to work with our ambassadors to widely disseminate information about bridges and social infrastructure through social media and various media outlets. Additionally, this project is continuously seeking ambassadors from companies, organizations, schools, and individuals. Please pay attention to the activities of the "100-Year Bridge Project."
A wide range of SUS-made drainage channels and other products to support your operations implementing advanced hygiene management based on HACCP! We introduce drainage pits, catch basins, and pit cove...
- Gutters and U-shaped gutters
For school lunch centers and food factories! The stainless steel drainage system for HACCP support protects the sanitary environment of the floor.
- Gutters and U-shaped gutters
[Video Release] We have published a video introducing the Duster Pit SV type product and its experiments.
Introduction of the Duster Pit SV Type Public Videos We have released short videos showcasing the product introduction and experiments of the "Duster Pit SV Type (JP-DP-SV)." To communicate the functions and features of our products more clearly, we have produced two new videos and made them available on YouTube. They are in a "short video" format that can be easily viewed from smartphones. ■ Introduction of the Released Videos Product Introduction and Comparison Experiment: A compact video summarizing the main features and benefits of the product, along with a comparison experiment with conventional types. Trolley Running Experiment: A video of an experiment where a 500kg trolley was run 10,000 times.
For food service centers and food factories! The stainless steel gutters and troughs of the "HACCP support drainage system" protect the sanitary environment of the floor.
- Gutters and U-shaped gutters
A large number of items such as "washed-out flat slabs" and "terrazzo tiles" for paving are featured!
- Road facilities
A variety of curbs that create beautiful boundaries! Can also be made with natural stone!
- Artificial stone
- Paving of sidewalks, roads, parking lots and stadiums
- Road facilities
Promote greening to enrich the environment.
- Paving Materials
- Secondary paving products
Start of sales for various equipment! Reducing on-site labor and fully supporting smooth construction.
- Bridge Materials
We will start selling various equipment related to expansion devices! We will do our utmost to reduce on-site hassle and support smooth construction.
We are pleased to announce that in response to customer requests for "no order for the main expansion device, but we would like to arrange necessary equipment for construction," we have started selling related accessories for expansion devices. We will deliver essential items for the site, such as tension anchors, sealing materials, cover plates, and urethane (backup materials), quickly and with high quality. Additionally, if there are materials not listed that you are having trouble sourcing or would like delivered together, please feel free to consult with us. 【Products Offered (Examples)】 ■ Tension Anchors ■ Sealing Materials ■ Cover Plates ■ Urethane (Backup Materials) *We are currently developing an online store, and once completed (date to be determined), we will also publish information on Ipros. *For more details, please feel free to contact us.
Heat island countermeasures! Paving materials that suppress the rise in surface temperature!
- Heat-shielding materials
- Secondary paving products
"Diamond wire mesh" for various applications such as for ras nets, rock nets, fences, and ball protection nets.
- Net fence
- Slope protection material
- Protective fence
A safe wire-type protective fence to prevent illegal intrusion onto the tracks.
- Exterior Materials
- Protective fence
- Gates, walls and fences
Manufactured to fit between the supports! A wire system that contributes to fall prevention.
- Exterior Materials
- Protective fence
- Gates, walls and fences
Safety measures for the quay! Quick installation wire-type handrails and protective fences.
- Exterior Materials
- Protective fence
- Gates, walls and fences
RUNFLOOR is a grass protection grid with excellent load-bearing capacity. It can be used on sandy or gravel surfaces and prevents potholes on pathways and parking lots.
- Reinforcement and repair materials
- Car and bicycle parking facilities
- Paving Materials