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

Installed in 1 minute! A no-welding, one-touch window with a safety net for additional safety measures.

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

[Installation completed in 1 minute] For various equipment such as conveyors, hoppers, storage bins, and chutes, necessary inspection and cleaning points for on-site maintenance!

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

A new standard for ground construction! Lightweight design and unique opening and closing mechanism for excellent maintenance.

• Inspection hatches, manhole covers, and ditch covers

Lightweight, electropolished, and confident in strength! Introducing various types of stainless steel grating.

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

Contributing to society with 'warm technology.' That is the philosophy of our manufacturing.

• Outdoor furniture, play equipment, furniture hardware
• Inspection hatches, manhole covers, and ditch covers
• Other construction services

Can be locked with the lid fully open! A key-operated hatch that allows you to securely lock the lid.

• Inspection hatches, manhole covers, and ditch covers

Custom dimensions available! Introducing a hatch made of stainless steel with excellent weather resistance.

• Inspection hatches, manhole covers, and ditch covers

Outer frame one-touch installation! This is a compact underfloor inspection hatch suitable for quick inspections.

• Inspection hatches, manhole covers, and ditch covers

Numerous listings for floor inspection openings that shut out the leakage and intrusion of cold and warm air.

• Inspection hatches, manhole covers, and ditch covers

No need for disassembly and assembly of the inner frame as before! A product suitable for use in energy-efficient homes.

• Inspection hatches, manhole covers, and ditch covers

The opening for the handle is easy to create with a drill hole! A floor inspection hatch with custom dimensions is also available.

• Inspection hatches, manhole covers, and ditch covers

We are introducing a revamped construction method with an evolved indoor floor inspection opening.

• Inspection hatches, manhole covers, and ditch covers

Underfloor inspection opening for the bed construction method (underfloor material: particle board, structural plywood)

• Inspection hatches, manhole covers, and ditch covers

Shut out unpleasant cold air and drafts! An inspection opening suitable for use in hospitals and hotels.

• Inspection hatches, manhole covers, and ditch covers

A clean design with both frames featuring a joint. Introducing an inspection opening certified by the Public Architecture Association!

• Inspection hatches, manhole covers, and ditch covers

The outer frame is switchable! A ceiling inspection hatch with a structure that minimizes discrepancies and differences in height.

• Inspection hatches, manhole covers, and ditch covers

Adopting a Gremon lock that secures the inner frame at three points. Adding a lock prevents the inner frame from bending!

• Inspection hatches, manhole covers, and ditch covers

The fixed brackets attached to the outer frame can stand independently and slide left and right! Installation work has become easier.

• Inspection hatches, manhole covers, and ditch covers

A rich lineup that can accommodate a variety of applications, leveraging years of experience in foundry manufacturing!

• Inspection hatches, manhole covers, and ditch covers
• Water and sewerage pipe fittings
• Other opening accessories (airtight materials around doors and windows, etc.)

Shorten construction time! No need for support beams, no on-site assembly required for the underfloor series!

• Inspection hatches, manhole covers, and ditch covers

A durable outdoor ventilation fan cover made of rust-resistant stainless steel! Custom sizes are available!

• Exterior Materials
• Other opening accessories (airtight materials around doors and windows, etc.)
• Inspection hatches, manhole covers, and ditch covers

It is resistant to food debris and bacteria, allowing you to keep the grooves clean.

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

A wide range of greening and street materials, including "Garden Great (Tree Planting Box Grill)," is featured.

• Wall and rooftop greenery
• Grating
• Inspection hatches, manhole covers, and ditch covers

We offer a variety of options for the shielded room, including ventilation ports, LAN, cameras, and more!

• Clean Room
• Soundproofing/Shielding Unit
• Inspection hatches, manhole covers, and ditch covers

The definitive method for preventing manhole floatation! Includes examples of the inner weight method construction!

• Earthquake-resistant construction method
• Ground foundation construction method
• Inspection hatches, manhole covers, and ditch covers

Preventing manhole uplift! An environmentally friendly method that does not require road surface excavation!

• Earthquake-resistant construction method
• Ground foundation construction method
• Inspection hatches, manhole covers, and ditch covers

We handle a wide range of products for manhole cover safety, including "fall prevention ladders" and "hand grips" for entering and exiting.

• Inspection hatches, manhole covers, and ditch covers
• Other earthworks, foundation works, and exterior floors
• Road facilities

A special manhole cover with a delivery record of over 20,000 units!

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

High adhesion that can withstand heavy loads! Suitable for repairs in narrow spaces with a compact cutting machine.

• Inspection hatches, manhole covers, and ditch covers
• Road construction
• Renovation and repair methods

Guerrilla rainstorm countermeasures! 5 times the water collection capacity! High drainage water collection cover compatible with T-25 longitudinal drainage.

• Inspection hatches, manhole covers, and ditch covers

A sheet to prevent the adhesion of concrete and asphalt during construction!

• Civil Engineering Sheet
• Inspection hatches, manhole covers, and ditch covers

This is a manhole with excellent chemical resistance and salt resistance, and high freeze-thaw resistance.

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

We will rehabilitate existing manholes with reduced load-bearing capacity.

• Other earthworks, foundation works, and exterior floors
• Inspection hatches, manhole covers, and ditch covers
• Manhole body

The product lineup of Nissho Shokai Co., Ltd. that quickly responds to various needs!

• Other flooring materials
• Formwork material
• Inspection hatches, manhole covers, and ditch covers

Reduce the protrusion from the wall to showcase excellent interior design!

• Inspection hatches, manhole covers, and ditch covers
• Accessories around the opening
• Subsidiary materials

We will effectively utilize underground space to create a natural landscape.

• Inspection hatches, manhole covers, and ditch covers
• Other civil engineering works

Continuous drainage into the ditch is possible with fixed grating!

• Concrete sheet piles and piles
• Inspection hatches, manhole covers, and ditch covers
• Paving of sidewalks, roads, parking lots and stadiums

Removable inspection port with butterfly bolts.

• Inspection hatches, manhole covers, and ditch covers

Device for accessing the rooftop for inspection.

• Inspection hatches, manhole covers, and ditch covers

Smart and efficient construction methods! Rational and economical repair and replacement work for manhole covers.

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

Eco airtight series! Beautifully finished white aluminum.

• Inspection hatches, manhole covers, and ditch covers

Utilizing Akoya pearl oyster shells as filling material!

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