List of Civil Engineering Materials products

Segmented construction is possible! A new type of modular bridge that allows for rapid and easy installation.

• Foundation construction

■■Preventing straw scattering■■Less product loss■■

• Civil Engineering Sheet

■■Biodegradable products■■Reduction of entanglement in grass trimmers■■

• Civil Engineering Sheet

Early greening for disaster recovery - Achieving speedy construction.

• Civil Engineering Sheet

■■Greening effect of thinning materials■■Contributing to the conservation of forest environments■■

• Civil Engineering Sheet

■■Erosion prevention using water-absorbent bags■■ Effective for easily dry soil■■

• Civil Engineering Sheet

- Lightweight and excellent workability - Inexpensive and high cost-performance

• Civil Engineering Sheet

◆◆Rontai's standard products◆◆ Proven performance in many embankment slopes◆◆

• Soil improvement material

This is a product derived from a viscous damper used in conjunction with coil springs in mechanical foundation systems.

• Water and sewerage pipe fittings

Examples of introducing LED evacuation signs that are useful for developing disaster prevention infrastructure to encourage evacuation actions!

• Road signs and road accessories

Unique solar power generation system! Case study of cordless illuminated evacuation signs.

• Road signs and road accessories

Maintaining visibility even during power outages! Case study on the introduction of LED evacuation signs with built-in solar panels.

• Road signs and road accessories

Permeability coefficient of 1.3 cm/s, with a void ratio of 40% for excellent drainage effect! Installing it reduces the risk of injury from falls.

• Grating

A lightweight, foldable water tank that can store 10 liters of water! It can be stored for up to 3 days. Its film type means it doesn't take up much space!

• Disaster prevention supplies
• Other office supplies
• Rainwater tank

■■Parks, Campsites, Vacation Home Areas■■ Sites where seed dispersal is difficult■■ Sites where the landscape should not be disrupted■■ Numerous case studies included◎

• Landscaping materials

Introduction of products made with biomass plastics containing recycled plastics and plant-derived components.

• Protective fence

If the hose length increases, the hydraulic power decreases! Please use it up to 10 meters.

• Piping materials (copper pipes, cast iron pipes)

Causes of hydraulic coupler failure, tips for longer-lasting use, and guidelines for replacement!

• Piping materials (copper pipes, cast iron pipes)

A construction method that prevents surface erosion without the need for slope shaping. In recent years, initiatives related to SDGs have made environmental conservation a responsibility for businesse...

• Ground improvement materials

Amazing deodorization with the power of bio. It can be used as fertilizer and as a soil conditioner.

• Fertilizers and Pesticides

Introducing a case study of support materials made from SUS304 HL angle 6×50 used in piping!

• Piping materials (copper pipes, cast iron pipes)

[Flood Prevention Measures] Just carry it and spread it out! It can be stored compactly and reused multiple times. Since it is sheet-type, it does not obstruct passage after installation and can be se...

• Water stop

Create beautiful edge lines! You can choose your preferred trim material from a wide lineup.

• Other park materials

You can handle larger flocks more easily! Here are some examples of flock processing.

• Drainage material

No material separation in water, effectively suppressing water pollution! Excellent in filling properties.

• Concrete admixture
• Port supplies
• Flood prevention facilities, fire tanks, and flood control ponds

Small tank with a handhole cap, sealed type, and rectangular shape.

• Rainwater tank

There are numerous achievements as a tank for injecting sodium hypochlorite! The ZH type uses high-density polyethylene to achieve increased rigidity!

• Rainwater tank

A mobile concrete production plant capable of manufacturing and supplying concrete on-site! Contributing to labor-saving and quality improvement at the site!

• Paving Materials

The characteristics are light-blocking, moisture prevention, heat retention, insect repellent effect, and water absorption. They protect important crops.

• Landscaping materials

Securely fix the holes in the manhole wall and the rubber joints while maintaining water tightness! This is a revolutionary band that overcomes the shortcomings of conventional bands.

• Piping materials (copper pipes, cast iron pipes)

Connection with Eflex Greentraf is also possible with on-site processing!

• Piping materials (plastic pipes)

Connection with Eflex Greentraf is also possible with on-site processing!

• Piping materials (plastic pipes)

Lightweight and reduces the burden on workers. Resistant to corrosion and has good durability. Many applications in railways, power, factories, solar energy, dams, ports, and new energy.

• Substation equipment
• Piping and electrical wiring materials
• Piping materials (plastic pipes)

Lightweight and reduces the burden on workers. Resistant to corrosion and has good durability. Numerous applications in railways, power, factories, solar energy, dams, ports, and new energy.

• Substation equipment
• Piping and electrical wiring materials
• Piping materials (plastic pipes)

Water supply repair valve compliant with JWWA B 126 standards.

• Drainage and ventilation equipment
• Water and sewerage pipe fittings

A high-grade repair valve that uses stainless steel (SCS13), which is resistant to scratches, for the ball valve body, which is essential for the repair valve.

• Drainage and ventilation equipment
• Water and sewerage pipe fittings

Fills all gaps and shuts out heat, water, sound, and vibrations! It is a high-performance sealing material made of durable EPDM rubber foam.

• Rubber sheet
• Waterproof tape, adhesive, drain, protective panel
• Waterproofing Agent

【In stock domestically】Highly popular! Firmly protects the pillars. Adjustable size from 150 to 375mm.

• Protective fence

Waterproofing for exterior walls with double seals! Tape attachment to improve workability and painting tailored to exterior materials are also possible.

• Water stop

To interchanges and smart interchanges! Efficient and low-cost snow melting with far-infrared rays.

• Snow melting equipment
• Exterior snow melting equipment

Easy setup! Prevents disruptions to ETC lane equipment caused by snowfall.

• Snow melting equipment
• Exterior snow melting equipment

For ensuring safety! It is very effective as a snow prevention measure at tunnel entrances.

• Snow melting equipment
• Exterior snow melting equipment

For snow accumulation and freezing prevention! It can be installed in a short period without road construction.

• Snow melting equipment
• Exterior snow melting equipment

For cost reduction! Snow melting through autonomous driving is possible, preventing the premature shutdown of ETC equipment.

• Snow melting equipment
• Exterior snow melting equipment

Free gift of a construction example collection! Easy-to-install and vibrant paving composite blocks.

• Secondary paving products