List of Inspection hatches, manhole covers, and ditch covers products

Natural wood endless tape with a thickness of 0.9 to 3 mm. It contributes to improved yield and productivity as a substitute for solid wood for the edges of furniture and fixtures.

• others

By simply increasing the formwork, we can achieve a variety of variations. Formwork costs are reduced, and productivity is improved! We respond to various site needs with multifunctionality.

• Gutters and U-shaped gutters

By inserting a steel cover frame under the L-shaped drainage ditch, it is possible to reduce the relocation of existing buried pipes.

• Road facilities
• Inspection hatches, manhole covers, and ditch covers
• Road signs and road accessories

Introducing airport and electrical construction-related products such as hand holes, manholes, and cast iron covers!

• Inspection hatches, manhole covers, and ditch covers
• others

Uniform quality due to factory production! Installation and removal are easy with a screwdriver.

• Inspection hatches, manhole covers, and ditch covers

With a new lineup that excels in safety and aesthetics, the variety of planning and design options has further increased!

• Inspection hatches, manhole covers, and ditch covers

Self-extinguishing flame-retardant foam made of polystyrene! Ensures airtightness with an EPS spring mechanism and features an easy-to-open lid structure!

• Inspection hatches, manhole covers, and ditch covers

Lightweight resin lid achieved through overwhelming construction efficiency and unique technology! The main body of the storage box features a reassuring antibacterial specification.

• Underfloor storage unit
• Inspection hatches, manhole covers, and ditch covers

We have a wide range of products, including wall inspection openings and one-touch underfloor inspection openings!

• Inspection hatches, manhole covers, and ditch covers

Including installation diagrams, detailed drawings, and standard dimensions! Introducing assembly diagrams of various products.

• Inspection hatches, manhole covers, and ditch covers
• Drainage and ventilation equipment
• Reinforcement and repair materials

A wide variety of products such as "wall inspection openings" and "leaf shelf posts" that can be easily installed without the need for groundwork are featured!

• Inspection hatches, manhole covers, and ditch covers
• Drainage and ventilation equipment
• Support hardware/opening hardware

Capable of manufacturing cast products in various sizes and applications.

• Other park materials
• Road signs and road accessories
• Inspection hatches, manhole covers, and ditch covers

Various designs can be produced. Design manhole covers.

• Manhole body
• Road facilities
• Inspection hatches, manhole covers, and ditch covers

A cover for preventing falls and drop accidents at openings that allows for speedy installation!

• Inspection hatches, manhole covers, and ditch covers

Butyl rubber-based adhesive compresses the rib, ensuring a watertight seal! It is a dry construction method that does not require adhesive and uses mechanical fixation.

• others
• Fittings
• Inspection hatches, manhole covers, and ditch covers

No need for conversion fittings! The butyl rubber adhesive securely holds the ribs in place and ensures a watertight seal.

• others
• Fittings
• Inspection hatches, manhole covers, and ditch covers

Accommodates various heights and road gradients! Lightweight and easy to assemble, it simplifies construction and enables quick recovery at the site while reducing labor.

• Inspection hatches, manhole covers, and ditch covers
• others

[Cut sample available] A flexible layout that accommodates complex groove shapes. We have extensive experience in schools, including baseball fields, grounds, and pools!

• Inspection hatches, manhole covers, and ditch covers
• Gutters and U-shaped gutters
• Other park materials

It demonstrates its power even in sudden guerrilla downpours! It maintains drainage performance even when leaves and debris accumulate.

• Grating
• Drainage and ventilation equipment
• Inspection hatches, manhole covers, and ditch covers

L-shaped drains for plant facility floors and roads. We will solve your problems!

• Grating
• Drainage and ventilation equipment
• Inspection hatches, manhole covers, and ditch covers

Opening the central cover of the manhole lid at that location will turn it into a toilet!

• Inspection hatches, manhole covers, and ditch covers

Featuring text, illustrations, and signatures! Introducing custom processing that meets a wide range of needs.

• Inspection hatches, manhole covers, and ditch covers
• Grating

Ideal for floor wiring in centralized control rooms of factories, buildings, etc.! A functional finish without compromising aesthetics.

• Inspection hatches, manhole covers, and ditch covers
• Grating

Introducing tree circles for tree protection that create a comfortable urban space in harmony with buildings and nature.

• Inspection hatches, manhole covers, and ditch covers
• Grating
• Tree protection materials and plant boxes

It is resistant to rust, corrosion, and weathering, helping to reduce maintenance costs!

• Inspection hatches, manhole covers, and ditch covers
• Other fittings
• Safety and consumables

Various strength calculation methods for grating are clearly presented using diagrams and formulas!

• Inspection hatches, manhole covers, and ditch covers
• Grating

A super-thin side drain cover that excels in design without compromising appearance! It's safe to walk over with high heels or a wheelchair.

• Inspection hatches, manhole covers, and ditch covers
• Grating

The filling made of shock-absorbing rubber chip cushioning material reduces walking strain!

• Inspection hatches, manhole covers, and ditch covers
• Grating

Water retention function that alleviates the heat island phenomenon! It is an environmentally friendly recycled product.

• Inspection hatches, manhole covers, and ditch covers
• Grating

Available in three sizes! It is an aluminum ceiling inspection hatch in a frame type.

• Inspection hatches, manhole covers, and ditch covers

It is possible to achieve beautiful finishes that match various types of flooring materials such as P tiles and porcelain tiles!

• tile
• Inspection hatches, manhole covers, and ditch covers
• Tile work

This tool is suitable for places where the safety of kitchen facilities and a clean drainage environment are emphasized!

• Inspection hatches, manhole covers, and ditch covers
• Drainage and ventilation equipment

Products related to Polacon that help secure rainwater infiltration and storage, prevent clogging, and prevent ground subsidence.

• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

Material characteristics with minimal aging and discoloration! There is zero worry about rust, and scratches and dirt are not noticeable.

• Inspection hatches, manhole covers, and ditch covers

It is made of natural materials and is also environmentally friendly! It prevents slope collapses caused by pests and accidents from people falling.

• Inspection hatches, manhole covers, and ditch covers
• wood

The joint surface has a concave and convex interlocking shape! A hand hole that can be easily processed on-site.

• Inspection hatches, manhole covers, and ditch covers

Covering for floors and sidewalks using corrosion-resistant FRP and polyurethane foam! Usable with standard angles.

• Inspection hatches, manhole covers, and ditch covers
• others

Free layout that accommodates complex shapes such as grooves. Compatible with U-shaped channel grating for replacement and custom orders!

• Inspection hatches, manhole covers, and ditch covers
• Gutters and U-shaped gutters
• Other park materials

It can accommodate complex drainage shapes such as pools, allowing for a flexible layout! Custom and special orders are accepted.

• Drainage material
• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

We provide safe and secure underfloor storage and inspection openings.

• Safety and consumables
• Inspection hatches, manhole covers, and ditch covers

No harmful substances such as adhesives or alternative fluorocarbons are used at all! The high insulation and high workability insulation bag is an environmentally friendly product.

• Safety and consumables
• Inspection hatches, manhole covers, and ditch covers

Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.

• Drainage material
• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

[Baseball Stadium] Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and cover them safely. Can be replaced with existing concrete c...

• Drainage material
• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

Introducing a case study of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.

• Drainage material
• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

Introducing a case study of the installation of "colored drainage covers" that protect the aesthetics of U-shaped ditches and ensure safety. They can also be replaced with existing concrete covers.

• Drainage material
• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.

• Drainage material
• Gutters and U-shaped gutters
• Inspection hatches, manhole covers, and ditch covers

Excellent corrosion resistance and insulation! FRP checker plates are ideal for indoor and outdoor flooring and coverings.

• Synthetic Resin Plywood
• Inspection hatches, manhole covers, and ditch covers
• Special flooring/indoor and outdoor