List of Construction methods and technologies products

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

• Gypsum board and moldings

Developing equipment and technology for air conditioning, water supply and drainage, and kitchen drainage!

• Air conditioning equipment
• Water Treatment Plant
• Water supply facilities

It is possible to speed up tile installation! Contributes to reducing total costs and achieves a beautiful finish.

• Work tools
• Special Construction Method
• Interior and exterior tiles

Chemical substance decomposition effect and anti-termite effect! An ultra-durable healthy structure that combines special bamboo charcoal and cutting-edge technology!

• paint
• Wood Preservative Paint
• Housing structure technology/long-term superior housing technology

We provide information on components, density, heat capacity, and more! We will perform actual size cuts at the storage location according to the required dimensions.

• Insulation work
• Heat insulation and heat shielding methods

It can be used on most wall surfaces in its original size! We also accept custom cuts.

• Insulation work
• Heat insulation and heat shielding methods

Excellent insulation effect! We will introduce cases where it suddenly became warm after installation.

• Insulation work
• Heat insulation and heat shielding methods

Ideal for various exterior decks! Achieving speed in deck construction and high weather resistance.

• tile
• Tile/Indoor
• Special Construction Method

Significant reduction in excavation time is possible with the minimum necessary excavation volume!

• Ground foundation construction method

Compact, high-performance machines provide high-quality enhancements!

• Ground foundation construction method

Foundation construction method using fluidized treatment soil.

• Ground foundation construction method

Reinforced concrete is the key to external insulation! The separator transforms into an exterior anchor.

• Heat insulation and heat shielding methods
• Other fittings
• Reinforced concrete structural systems (including PCa)

In case of emergency, please take earthquake measures as soon as possible! By implementing ceiling collapse prevention measures, production activities can be resumed in a short period of time.

• Earthquake-resistant construction method
• others

Features and design/construction are included! This is a document on the method of using thin-diameter thinned timber as ground reinforcement material for houses.

• Renovation and repair methods
• Ground foundation construction method

Effective use of timber leads to forest management and regional revitalization! Construction methods targeting small-scale buildings.

• Renovation and repair methods
• Ground foundation construction method

Achieved compliance with JIS combustion standards, non-Freon foaming agents, and zero substances subject to the PRTR law!

• Exterior Materials
• Piping and insulation
• Heat insulation and heat shielding methods

All operations can be completed in about 10 to 30 seconds! Welding can be easily done with compact equipment that does not require power or heat sources.

• Special Construction Method
• others

Packaging improves workability and shortens construction time! It is possible to design to reduce slip failure stress.

• Ground improvement
• Civil Engineering Method
• Ground improvement materials

Construction done manually! It offers better workability, performance, and effectiveness compared to other drainage materials.

• Ground improvement
• Civil Engineering Method

No more worries on rainy days! Slip-resistant construction that doesn't change the appearance of existing tiles or stone materials.

• maintenance
• Special Construction Method

Stop the slip of wet polished tiles instantly! Introducing fall prevention measures that ensure safety even on rainy days.

• maintenance
• Special Construction Method

Demonstrating power in bearing repairs in narrow spaces! A small jack can achieve a large lifting force.

• Unit and other construction
• Special Construction Method

The mechanism of the wedge and chain block combines! A new method that changes bridge maintenance.

• Unit and other construction
• Special Construction Method

Use of domestically sourced thinned wood (legal timber)! A woodworking sunken floor unit method that can be assembled by ordinary workers.

• Special Construction Method

Anchor-type construction method with excellent economic efficiency and workability.

• Concrete block, ALC panel, extrusion molded cement board construction
• Ground foundation construction method

Durable and long-lasting, a roof and walls that protect your home! Reflects both hot and cold heat.

• Renovation and repair methods
• Roof and gutter construction

A construction method that takes into account the expansion and contraction of exterior walls, which is the main cause of floating and cracking in exterior mortar!

• Renovation and repair methods

Special finishing paint materials are available in a rich variety of colors and designs (patterns)!

• Renovation and repair methods

A method to create a new FRP pipe inside an existing pipe to solve issues such as leaks.

• Water and sewerage pipe fittings
• Renovation and repair methods

We can produce hard materials for molded products in small quantities according to your usage needs!

• Ground foundation construction method
• Reinforcement and repair materials
• Geological Survey

Custom-made products can be manufactured according to your needs!

• Ground improvement
• Ground foundation construction method
• Residential foundations

Dimension specifications and angle adjustments available! Introduction of carbide tips.

• Geological Survey
• Ground foundation construction method
• others

Even after mortar filling, the drainage layer is secured, maintaining high drainage performance.

• Waterproof sheet
• Special Construction Method

Let's work on significant cost reduction with the DIY & PRO support plan by our own employees.

• Anti-rot, anti-termite, anti-mold material
• Heat insulation and heat shielding methods
• maintenance

I've been waiting for a drill stand like this! Seeking even greater drilling precision.

• Fittings construction
• Civil Engineering Method

Design support from the planning stage with the NK method pre-cut system! Introducing our achievements in stores, warehouses, and company buildings.

• Systems Architecture

We offer buildings with the warmth of wood while ensuring high safety! Introducing our achievements in daycare centers, kindergartens, and welfare facilities.

• Systems Architecture

Introducing the consistent construction system "NK Method," from structural design to precut delivery!

• Systems Architecture

Design support from the planning stage with the NK method pre-cut system! Introducing temples and churches as successful projects.

• Systems Architecture

Waterproof, reinforced, and insulated with a special three-layer resin. Introducing the SOSEI method backed by verification tests such as accelerated weather resistance tests and bending strength test...

• Others/Roofing materials (shingles, cement, steel sheets, aluminum)
• Renovation and repair methods
• Roof and gutter construction

Why do many architects and designers choose rust-proof roval for buildings? Here are the reasons!

• Renovation and repair methods
• maintenance
• Rust Inhibitor

Don't let rust win! Here are our suggestions for creating a long-lasting and reliable parking facility.

• Renovation and repair methods
• maintenance
• Rust Inhibitor

Savior of antenna towers! Using rust-proof paint "Robal," repel "rust."

• Renovation and repair methods
• maintenance
• Rust Inhibitor

Reduce workload and cut costs! Corrosion-resistant coating that prevents rust for a long time!

• Renovation and repair methods
• maintenance
• Rust Inhibitor

High Spec Personal Item A style that exceeds imagination is there.

• Privacy louvers and louver shutters
• Steel construction
• Systems Architecture

No need for weather-resistant paint. High waterproofing and crack-following properties, and no organic solvents used. F☆☆☆☆ certification obtained.

• Special Construction Method