List of Civil Engineering Materials products

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

• others

The mechanism of visible shadows! Introducing concrete blocks with slits for paving.

• Various blocks
• Concrete block, ALC panel, extrusion molded cement board construction

The technology of Kowa Industries, active in your local area! Centered around 12 factories, we leverage each of our technologies to enhance customer satisfaction.

• Bridge Materials
• Piping materials (copper pipes, cast iron pipes)

Consistent safety, reliability, and cleanliness! A safe and clean piping system.

• Piping materials (copper pipes, cast iron pipes)
• Piping Equipment

Introducing a variety of flexible hoses such as blade hoses, straight hoses, and corrugated hoses.

• Piping materials (plastic pipes)

Introducing a variety of flexible hoses, including union color types, hexagonal nipples, and lever coupling types.

• Piping materials (copper pipes, cast iron pipes)

Harmony with the landscape is possible! We create a more natural scenery with a varied arrangement of artificial rocks.

• Various blocks
• Tensioning and connecting blocks

Rainwater permeates into the ground, restoring the natural landscape over time! Excellent workability of the laying blocks.

• Various blocks
• Tensioning and connecting blocks

We contribute to environmental issues through the project of purifying contaminated soil.

• Septic tank equipment
• Soil improvement material

LED warning sign using a reflective sheet with 100% reflective surface!

• Road signs and road accessories

We can pulp a wide variety of raw materials!

• Paper wallpaper
• Landscaping materials
• Other park materials

High-power, large-capacity suction-type caulking gun!

• Work tools
• Joint material
• Roof and gutter construction

Construction evaluation improvement! Easy installation! Metal spacer for spraying 'CK Spacer'

• Rockfall prevention agent
• Other civil engineering works
• Special Construction Method

Lightweight soil suitable for everything from large-scale rooftop greening to a single small planter.

• Fertilizers and Pesticides
• Soil improvement material

Cardboard that can directly package fresh fish! Passed food hygiene inspection! Excellent water resistance for food use cardboard.

• Other park materials

Just by layering, a strong structure is built! Suppression of rainwater runoff and effective utilization!

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

Lightweight and compact, so transportation is smooth! Just cross and stack each layer!

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

High void ratio! Plastic storage material that efficiently collects rainwater. Numerous construction examples introduced!

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

A type of palm fiber that returns to nature! Extremely lightweight, it serves as a suction prevention agent that contributes to the initial surface stability of embankments and excavations. *Free cata...

• Drainage material
• Waterproofing work
• Roof and gutter construction

A very lightweight, sand gap-targeted, finely designed suction prevention agent with specified weight! It also has excellent permeability for the elimination of groundwater. *Catalogs will be provided...

• Drainage material
• Waterproofing work
• Roof and gutter construction

No need for pipe coating removal or threading work! Thanks to the mechanical method, connecting to existing pipes and working in tight spaces is easy!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for coating removal or threading work! Connection with polyethylene pipes achieved with a single fitting!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for pipe coating removal or threading work! PVC pipe connections can be made without applying adhesive, allowing for connections with different types of pipes!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for coating removal or threading work on the inner and outer coated steel pipes! A convenient mechanical joint that does not require disassembly, featuring a disengagement prevention function ...

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

The inner and outer coated steel pipes can be connected with a single joint! A convenient non-dismantling mechanical joint that eliminates the need for troublesome coating removal work during installa...

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for coating removal or threading work on the pipe! Connection with polyethylene pipes is also possible without fusion, allowing for dissimilar pipe connections!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for pipe coating removal or threading work! Connection with high-density polyethylene pipes is also possible without fusion, allowing for dissimilar pipe connections!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for pipe insulation removal or threading work! Connection with cross-linked polyethylene pipes is achieved with a single fitting!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

Convenient for connecting coated steel pipes and steel pipes! Can be installed without removing the coating, and the mechanical joint with slide connection allows for smooth repair work without disass...

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

Cast iron pipes and internally and externally coated steel pipes can be connected with just one joint! A convenient, non-dismantling mechanical joint that eliminates the need for coating removal work.

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for coating removal or threading work! Connection with polybutylene pipes achieved with a single fitting!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No gaps, resulting in a beautiful finish! A rubber plate that also has insect-repellent and odor-resistant effects.

• Water and sewerage pipe fittings
• Subsidiary materials
• Safety and consumables

Accurately catch the snow on the roof! A snow guard device that ensures no snow sliding phenomenon occurs, providing peace of mind.

• Snow melting equipment

This is a drainage material that can be used for various soft ground improvement projects such as river, ship route, port reclamation areas, and residential land development sites.

• Ground improvement materials

Easy installation! Achieves a balance between vegetation and the habitat for living organisms with V.C. concrete finish!

• Various blocks
• Tensioning and connecting blocks
• Concrete block, ALC panel, extrusion molded cement board construction

Installation positioning is easy! It can also accommodate curved sections, significantly improving workability!

• Various blocks
• Stacking blocks

Easily concrete any soil.

• Foundation construction
• Road construction
• Paving Materials

We will contribute to society with the mission of evolving the technology of "protection"!

• Disaster prevention supplies
• Gunpowder

A fence is installed at the end of the drainage ditch with two bolts! Drainage facilities that eliminate wasted space.

• Gutters and U-shaped gutters
• Protective fence

Non-slip with good walkability! A natural stone-like colored paving material that excels in weather resistance.

• Exterior and paving materials <General>
• Paving Materials

The quality of the finish and the elegant metal color enhance the harmony and design of the building!

• Water stop
• Other fittings

Improve water quality in ponds and reservoirs while protecting the landscape! Easy to install with a lightweight and simple structure, and maintenance is also easy!

• Garden stones, sculptures, fountains, ponds
• Flood prevention facilities, fire tanks, and flood control ponds

Improving water quality in ponds and reservoirs while protecting the landscape! It has excellent durability and has demonstrated the effectiveness of three conventional units!

• Garden stones, sculptures, fountains, ponds
• Flood prevention facilities, fire tanks, and flood control ponds

Improve water quality in ponds and reservoirs while protecting the landscape! Reduce maintenance costs and save money! *Q&A materials will be provided.

• Garden stones, sculptures, fountains, ponds
• Flood prevention facilities, fire tanks, and flood control ponds

Resin sheet for the concrete vertical joint construction method that improves workability and quality.

• Wood panel and frame wall construction
• Special Construction Method
• Civil Engineering Sheet

Riverbank protection suction prevention sheet!

• Civil Engineering Sheet