List of Tunnel Materials products
- classification：Tunnel Materials
1～45 item / All 178 items
Interior and exterior wall materials characterized by straight grain, no knots, heartwood, and no coating! There are also lower-grade options available at a more affordable price.
- Wood-based board
Contributing to the second stage of public infrastructure! Bringing public infrastructure development to the ground. A robust outdoor storage tank for hazardous materials capable of responding to the ...
- Water Treatment
Introduction to our factory equipment that supports civil engineering and construction sites!
- Tunnel Materials
- Steel
- Secondary steel products
Achieving speedy production!
- Tunnel Materials
- Steel
- Secondary steel products
Quick response with a comprehensive system for sales, manufacturing, and delivery! Leave your civil engineering steel processing needs to us.
- Tunnel Materials
- Paving Materials
- Secondary steel products
Mitigation of impacts during tunnel blasting construction. Developed as a measure against vibration and noise.
- Tunnel Materials
- Soundproofing panels
- Gunpowder
Achieve tunnel blasting without rattling or pressure! This is a soundproof material that reduces the generated ultra-low frequency noise. *NETIS registered product
- Tunnel Materials
- Tunnel construction
- Soundproofing panels
Contributes to improving the installation accuracy of reinforcing bars! It is possible to install reinforcing bars without penetrating.
- Tunnel Materials
- others
Contributes to improving the installation accuracy of reinforcing steel bars! Can be installed without making holes in the waterproof sheet.
- Tunnel Materials
- Tunnel construction
- Reinforced concrete construction
We are processing tunnel arches and inverted reinforced concrete!
- Tunnel Materials
Reliable precision and prompt response! We deliver a variety of products needed for civil engineering and construction.
- Tunnel Materials
- Concrete curing material
- others
No need to remove the prism every time - "Prism Cover"
- Tunnel construction
- Tunnel Materials
- Gunpowder
Introducing the construction flow for the installation of formwork reinforcement in tunnel lining.
- Steel bar construction
- Tunnel Materials
- Secondary steel products
Achieving smooth evacuation in emergencies! We capture the needs of the times and continue to evolve!
- Tunnel Materials
This is a reinforcement method for RC members using lattice steel plates (steel plates processed in a lattice shape). The reinforcement cross-section can be made thin, and it can reduce labor on site.
- Tunnel Materials
Civil Newsletter [Season Letter] (February 2020)
The Civil Newsletter is published regularly as a season letter. In the latest construction introduction (February 2020), we feature: 1) Metal Road Method Kumamoto Prefecture, National Route 445, Kuzuorese Construction Section (currently under hand-laying) 2) Grid Metal Method General National Route 120, Nyu-no-ki Bridge Repair Work.
Durable and long-lasting! Fits the curved surface of the tunnel and securely catches debris!
- Tunnel Materials
- others
Prevention of tunnel concrete spalling and water leakage!
- Bridge Construction
- Tunnel Materials
We are performing press cutting processing on a thick plate of S45C with a thickness of 10.0 mm in one step. The processing is automated using a zigzag feeder.
- Tunnel Materials
The NEW Set Form NF method is a construction technique that offers excellent safety during installation, as well as preventing volume shrinkage of the foam after filling, making it a "safe," "reliable...
- Reinforcement and repair materials
- Tunnel Materials
- Civil Engineering Method
Due to being made of iron, it has high load-bearing performance and is recyclable as a resource!
- Tunnel Materials
- Subsidiary materials
For slope reinforcement and retaining wall reinforcement! Self-drilling type with excellent workability and cost-effectiveness.
- Tunnel Materials
- Reinforcement and repair materials
Available for use in the foundations of various structures! Improved durability through hot-dip galvanized anti-rust treatment.
- Subsidiary materials
- Tunnel Materials
Finishing processing is a method of machining to match the dimensional accuracy specified in design drawings, product specifications, and part specifications.
- Bridge Materials
- Tunnel Materials
- River construction
The definitive version of infrastructure construction! A wide-base anchor specifically for heavy objects.
- Tunnel Materials
- Harbor Construction
- Port supplies
With simple maintenance, the beautiful shine lasts, keeping running costs low and economical!
- Tunnel Materials
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Design and estimates are free! Please feel free to let us know.
- Tunnel Materials
A safe evacuation device for small children, the elderly, and those with physical disabilities!
- Tunnel Materials