List of Road, bridge and tunnel materials products
- classification：Road, bridge and tunnel materials
271～315 item / All 3336 items
Segmented construction is possible! A new type of modular bridge that allows for rapid and easy installation.
- Foundation construction
A lightweight, compact injection machine that offers excellent workability and is suitable for construction in long and narrow environments!
- Tunnel construction
- Tunnel Materials
- Reinforcement and repair materials
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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
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
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
Can be attached to barricades and traffic cones! Enhancing the image of safe passage.
- Safety Supplies
- Protective fence
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
[Press Release Distribution] Received a letter of appreciation from the President of NEXCO Central Japan Tokyo Branch - Safety and project management of the expansion joint replacement work and noise control were evaluated.
On October 28, 2026, we issued a press release regarding the receipt of a letter of appreciation from the Director of NEXCO Central Japan, Tokyo Branch. On October 9, 2026, our company received this letter of appreciation in recognition of our achievements in the "Replacement Work of Expansion Devices in the Yokohama Section of the Tomei Expressway." This letter of appreciation corresponds to the "Branch Manager's Award" in the Tokyo Branch's commendation category and marks our company's first honor since its establishment. As the main contractor, our company was responsible for the replacement work of expansion devices on multiple routes, including the Tomei Expressway, Ken-O Expressway, and Shin-Shonan Bypass. We completed the approximately one-and-a-half-year project without any accidents. The following efforts were primarily recognized: - Safety management and accident-free completion of construction at multiple sites across various routes - Strict adherence to the completion times for nighttime work through meticulous construction and regulation planning - Consideration for local residents through noise reduction measures and prior notifications The press release introduces specific initiatives that led to this recognition, as well as our product "Hybrid Joint" used in the construction. We encourage you to take a look.
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
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
Can be attached to barricades and color cones installed in restricted areas and safety passages!
- Safety Supplies
- Protective fence
Contributing to leak prevention and spalling measures for tunnels and culverts, centered around the EF series that meets NEXCO standards.
- Tunnel Materials
Compatible with sites with strict construction limits, such as single-track tunnels. Embedded drainage channel 'RD (Rubber Drain) Series' (B4 method).
- Tunnel Materials
We introduce a product that can eliminate "that" puddle you step over at the intersection on rainy days!
- Drainage material
- Concrete block, ALC panel, extrusion molded cement board construction
- Gutters and U-shaped gutters
Stop concrete deterioration right now! Declaration to move away from scrap and build.
- Paving Materials
Pavement that prevents puddles! Can be installed at the same price as concrete flooring.
- Paving Materials
CO2 reduction through non-heating construction! It has passed various leaching tests and does not contain harmful components in the soil.
- Paving Materials
Water does not accumulate but permeates! It functions effectively against heavy rain and heat island effects.
- Concrete construction
- Ready-mix concrete
- Paving Materials