List of General civil engineering materials products

Easily connect pipes with different outer diameters! A fitting suitable for emergency repairs of buried pipes.

• others

Starting with TometaroⓇ, let's ensure safe, secure, and reliable water stopping! In the "Renewable Energy Construction Project," we propose non-hardening water stopping materials for the load on speci...

• Waterproofing Agent

Tometaro has received numerous adoptions for "flood control construction" and "waterproofing promotion projects" in both government and private sector cases!

• Reinforcement and repair materials
• Waterproofing Agent
• Piping and electrical wiring materials

TometaroⓇ not only provides emergency responses to existing equipment leakage incidents but also focuses on "leak prevention" for new construction projects! It has been widely adopted by various local...

• Piping and electrical wiring materials
• Reinforcement and repair materials
• Waterproofing Agent

TometaroⓇ is not only responding urgently to existing equipment leakage incidents but also focusing on "leak prevention" for new construction projects. Wind power, solar power, biomass, small hydropow...

• Piping and electrical wiring materials
• Reinforcement and repair materials
• Waterproofing Agent

TometaroⓇ optional products, mortar that can increase water resistance, and it's easy to chisel! 【Water infiltration measures / waterproofing】

• Waterproofing Agent
• Reinforcement and repair materials
• Subsidiary materials

Putty that can be used in running water！

• Waterproofing Agent
• Waterproofing work
• Reinforcement and repair materials

Countermeasures for 'what if'! Safety management at production facilities/storage and transportation sites! For gas leak dispersion suppression, use 'Tometaro 2'

• Gas leak device
• Other elevators and transport systems
• Waterproofing Agent

Unexpected "leakage" can be stopped immediately! One box for the site, one box for the home, one box for each household, stop it immediately. A cement-based quick-setting water-stopping material. Now ...

• Reinforcement and repair materials
• Waterproofing Agent
• Other plastering finishing agents

For cracks in architectural structures, residential exterior areas, and various types of concrete floors! A package that includes all the necessary materials for repair. Easy DIY suggestions!

• Exterior and paving materials <General>
• Reinforcement and repair materials
• Waterproofing Agent

At Rontai, we handle three types of domestically produced seeds: Japanese pampas grass, power grass, and mugwort!

• Slope protection material

We offer a wide variety of native grasses, woody plants, and non-native grasses (tall and short)!

• Slope protection material

This is a list showing the seeds included in greening materials such as vegetation sheets, vegetation mats, and vegetation soil bags!

• Slope protection material

Water-curing solidified joint sand that balances workability and aesthetics.

• Joint material
• Concrete block, ALC panel, extrusion molded cement board construction
• Paving Materials

Slope protection works specialized for alkaline soil, such as embankments and tunnel spoil using cement-based solidifying materials (for ponds, retention basins, road improvements, and riverbank prote...

• Slope protection material
• Baskets and futon baskets
• Civil Engineering Method

No water leaks at all! The panel shape is strong not only against water stoppage but also against impacts from floating debris and other objects.

• Water stop

The functions are different! It protects various assets from flooding caused by typhoons and heavy rain.

• Water stop

Numerous achievements in solar power generation sites. Significant erosion prevention effect.

• Slope protection material

High quality × low price × same-day delivery. Our in-house manufactured products can be shipped from our domestic warehouse on the same day.

• Pest and insect control products
• Slope protection material
• Exterior Materials

Case Study: [New Product] Weed Control for Sidewalk Joints Using NEO Sealing

• Civil Engineering Sheet

■■Maximum erosion prevention effect of embankment products■■Prevention of sediment runoff into rivers and other bodies of water■■

• Civil Engineering Sheet

Born as Japan's first plastic molding expansion joint material! Molding expansion joint material "Krakutite".

• Joint material
• Others/Roofing materials (shingles, cement, steel sheets, aluminum)
• Waterproofing work

Exhibiting the advantages of lightweight in soft ground! Significantly improving retaining wall and earth support construction through independence.

• Lightweight embankment material

A new construction method using unique reinforcement materials! It allows for shorter lengths of reinforcement materials.

• Reinforced earth wall

Structural stability and excellent design utilized in various scenes! Responding to the needs of embankment construction sites.

• Reinforced earth wall

Reliable quality that combines strength and flexibility! Solving various problems associated with embankments, subgrades, and weak ground.

• Lightweight embankment material
• Ground improvement materials

A new foundation for Japan. A leader in valuable infrastructure development and creativity.

• Road construction
• Slope protection material
• River construction

Lightweight and compact, making transportation and storage easy! Effective for disaster recovery and in remote mountain sites.

• Reinforced earth wall

It is widely used in general embankments, retaining walls, coastal areas, reservoir banks, and bridge abutments!

• Bridge Construction
• Reinforced earth wall

Lightweight enough to be held with one hand (10kg/5m²), and no special vehicles or tools are needed! Just hammer in the dedicated nails! Anyone can do it.

• Gutters and U-shaped gutters
• Slope protection material
• Renovation and repair methods

We will lend you a demo product for those who can't understand without seeing the actual item!

• Water stop
• Other office supplies
• Rain protection items

By shortening response times during disasters, we will reduce on-site downtime!

• Water stop
• Other office supplies
• Rain protection items

It can be used for leak prevention and extinguishing EV car fires by enclosing it inward.

• Rain protection items
• Other office supplies
• Water stop

The LOTUS Z delivered in the 1990s has been operating continuously for nearly 30 years. Z Engineering recommends regular inspections.

• Drainage material
• others

The trump card for decarbonization! A continuous emission type with no moving parts, made entirely of stainless steel!

• Drainage material
• others

Adopted for the purpose of protecting granite soil slopes, which are easily erosed. A case of protecting the slopes around the sediment control dam.

• Erosion control works
• Slope protection material
• Civil Engineering Method

Lightweight, rust-resistant, high-durability polyester net.

• Slope protection material

Prevents flooding damage to parking lots! A cost-effective and highly versatile panel-type waterproof board.

• Drainage material

Can be installed in uneven areas! A low-cost, highly versatile panel-type waterproof board.

• Drainage material

Perfect for underground parking lots! Waterproof boards that can be set up immediately in emergencies without the need for a storage location.

• Drainage material

Perfect for wide entrances and exits! Can be used as a gate during normal times.

• Drainage material

This is a waterproof board (water stop board, flood prevention board) that can be easily installed by operating a hydraulic pump. It can be set up quickly by one person and does not require storage sp...

• Drainage material