List of Road, bridge and tunnel materials products

100% recycled gypsum derived from waste gypsum boards is reused as raw material, achieving effective carbon neutrality during manufacturing!

• Gypsum board and moldings

Since the construction-generated soil will be recycled on-site, the disposal costs for leftover soil and the costs for new purchases will be significantly reduced. 【Disaster Prevention】

• Special Construction Method

Heavy snow is also suitable for disaster prevention measures such as building collapses, falling snow, and avalanches in mountainous areas!

• Snow melting equipment

Attention those struggling with snow! Whether it's a new facility or an existing one, leave your snow troubles to us!

• Snow melting equipment

With a powerful design, it easily handles unexpected heavy snowfall! It melts while keeping up with snowfall of 3 cm per hour.

• Snow melting equipment

Electric heater snow melting mat type

• Snow melting equipment

Gas boiler heat source, hot water circulation type, snow melting panel concealed method, exposed SUS piping method, PEX buried method, Niigata Sanrin Tokamachi Sales Office.

• Snow melting equipment

Even construction professionals are convinced! Panel concealed hot water circulation system.

• Snow melting equipment

[Anti-snow melting] Electric heater net exposed roof snow melting operation status (Y-san, Nagaoka City, Niigata Prefecture)

• Snow melting equipment

Road surface snow melting gas boiler heat source hot water circulation type PEX buried construction method

• Snow melting equipment

Deliberately, the "sensitivity adjustment" knob is set to maximum to enter "driving mode" earlier!

• Snow melting equipment

Snow melting with a heat pump! It is said to have a low environmental impact and to be energy-saving!

• Snow melting equipment

Finally usable in the field where we have struggled with muddy water for many years! The removal of white soil bags has been omitted, making it easy to complete the measures! The landscape of the gree...

• Sandbags
• Gutters and U-shaped gutters
• Other park materials

A lightweight and high-strength resin board with a sandwich structure of skin and foam material. Various applications!

• Paving Materials

Lightweight (approximately 9kg) and made of only two materials: sheet and ring anchor! A highly versatile civil engineering sheet that excels in workability and can be used for channel construction an...

• Gutters and U-shaped gutters
• Slope protection material
• Sandbags

Powerful and easy to secure, the raised grating 'OG Lock K'! For theft prevention and more! Prevents wobbling! Prevents lifting!

• Grating

Even during the long winter with heavy snowfall, we protect your home and promise safety and security!

• Snow melting equipment
• Waterproofing work
• Roof and gutter construction

We will showcase a wide range of products that can be used beyond highways. *October 16-17 @ Tokyo Big Sight

• Safety and consumables
• Paving Materials
• Vehicle Management System

Box culverts that accommodate everything from small cross-sections to large-scale structures! Custom-shaped products are also available.

• Gutters and U-shaped gutters
• Piping materials (concrete pipes)

Connection possible without on-site casting! A precast protective fence foundation that can flexibly accommodate construction on curves.

• Protective fence
• Road facilities
• Road signs and road accessories

A rich lineup that accommodates everything from regular roads to highways! Protective fences that can be installed in a short period.

• Protective fence
• Road facilities
• Road signs and road accessories

A retaining wall with integrated drainage features, including a waist stop retaining wall, drop cover type U-shaped gutters, and L-shaped gutters. It contributes not only to shortening construction ti...

• Gutters and U-shaped gutters
• Retaining wall
• Concrete Retaining Wall

A concentrated heavy rain countermeasure product capable of handling large amounts of runoff water! Can be used in conjunction with waterways to effectively utilize underground space! Installable in v...

• Road facilities
• Gutters and U-shaped gutters
• Flood prevention facilities, fire tanks, and flood control ponds

Creating beautiful and safe cities through the undergrounding of power lines! Contributing to the establishment of stable lifelines.

• Road facilities

A framework block that can protect the surface layer of cut and fill slopes! Prevents erosion and surface sliding.

• Road facilities
• Concrete Retaining Wall
• Tensioning and connecting blocks

Newly developed base with excellent inspection performance and fatigue strength! Achieves fatigue strength of grade B or higher.

• Bridge Materials

A wealth of drawings, sizes, reference weights, specifications, and more for each product!

• Concrete sheet piles and piles
• Grating

Simply install the unit on the ventilation duct that connects to the underground, and it will automatically open and close the gate using the power of water, preventing flooding in the underground spa...

• Grating
• Ventilation openings
• Water stop

Free samples available! Paving material that blends easily with any garden in natural colors.

• Paving Materials

Free samples available! Contributing to the protection of cultural properties and the preservation of historical landscapes.

• Paving Materials

Currently, we are offering free samples! Please be sure to try them out.

• Paving Materials

Try before you buy! We are currently offering free samples.

• Paving Materials

It is a large block of horizontal stacking type with one piece per square meter. The brightness is below 6, and it has obtained NETIS-VE and JIS certification.

• Stacking blocks
• Gutters and U-shaped gutters
• Road construction

The waterway base can freely set the waterway slope through invert casting! It is possible to place the side ditch right at the boundary between public and private land!

• Gutters and U-shaped gutters
• Drainage and water removal
• Road construction

Streamlining operations for same-day release and shortening construction periods! Solving issues such as wanting to increase the water flow cross-section!

• Gutters and U-shaped gutters

Cutting the deteriorated sections of the circular waterway with a specialized low-noise cutter and installing a dedicated cover!

• Tunnel construction
• Gutters and U-shaped gutters
• Reinforced concrete construction

Lightweight, so no heavy machinery is needed for installation!! Can be installed by one person!!

• Gutters and U-shaped gutters

We provide blocks for paving.

• Paving Materials
• Exterior and paving materials <General>
• Exterior Materials

For parking lot security products, choose Sun Self.

• Car and bicycle parking facilities
• Safety Supplies
• Road facilities

This type can store up to five rows of standard 35mm piping. It also includes corner parts, allowing for covers for angled piping.

• Car and bicycle parking facilities
• Car and bicycle parking facilities
• Road facilities

This is a fixed type developed based on customer feedback. It can accommodate piping with a maximum diameter of 60mm, making it suitable for large diameter piping as well.

• Car and bicycle parking facilities
• Car and bicycle parking facilities
• Road facilities

This is a large-diameter type developed from customer feedback. It can accommodate piping with a maximum diameter of 80mm, making it suitable for use with drainage hoses during disasters.

• Car and bicycle parking facilities
• Car and bicycle parking facilities
• Road facilities