A special manhole cover with a delivery record of over 20,000 units!
Accommodates various heights and road gradients! Lightweight and easy to assemble, it simplifies construction and enables quick recovery at the site while reducing labor.
Free layout that accommodates complex shapes such as grooves. Compatible with U-shaped channel grating for replacement and custom orders!
Add color to the manhole cover! It demonstrates excellent effects in both aesthetics and functionality!
This is a locked handhole cover with a rating of BPN40 or higher. It can be opened and closed using a dedicated key, preventing unauthorized access.
We offer single and double sheets made of striped steel plate! A wide variety of sizes are also available.
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.
Compliant with the Ministry of Health, Labour and Welfare (Guidelines for the Safe Use of Fall Arrest Equipment)! Compatible with new full harness standards! Manhole fall prevention!
The product dimensions are for a well cover Φ750 (diameter 850 × t60)! This is an example from the construction period of September 2020.
Various designs can be produced. Design manhole covers.
This is a manhole with excellent chemical resistance and salt resistance, and high freeze-thaw resistance.
This is a grating for depression prevention measures.
No need for conversion fittings! The butyl rubber adhesive securely holds the ribs in place and ensures a watertight seal.
Introducing airport and electrical construction-related products such as hand holes, manholes, and cast iron covers!
Safety measures products to prevent the familiar dangers lurking in open ditches and irrigation channels found on the streets!
We will introduce various types of manhole covers, including rotation lock types, large diameter types, and square types.
By changing just one bolt of the bolt-fixed manhole cover to a special bolt, it can be locked.
This is a slit-type drainage ditch cover that is ideal for enhancing the landscape.
Ease of opening and safety! Can be used safely in sports facilities such as schoolyards and grounds.
Uniform quality due to factory production! Installation and removal are easy with a screwdriver.
High-strength, excellent durability net cover! Solves issues such as accidents of falling into waterways and garbage dumping!
Introducing tree circles for tree protection that create a comfortable urban space in harmony with buildings and nature.
Various strength calculation methods for grating are clearly presented using diagrams and formulas!
It catches garbage such as dead branches, fallen leaves, and empty cans.
By installing a lock on the handle of the manhole cover, the manhole handle cannot be inserted, making it impossible to open and close the cover.
Lightweight resin lid achieved through overwhelming construction efficiency and unique technology! The main body of the storage box features a reassuring antibacterial specification.
Four types are lined up: round type for sidewalks/roadways and square type large/small connecting covers!
Laser processing machines and bending processing, etc.! Please let us know your requests for "products you would like us to create."
Round and irregular shapes are also available! Theft prevention options and noise reduction options are also provided.
The fixed brackets attached to the outer frame can stand independently and slide left and right! Installation work has become easier.
Adopting a Gremon lock that secures the inner frame at three points. Adding a lock prevents the inner frame from bending!
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!
Standard product of Drain Getter for ordinary and drainage pavement!
[NETIS Registration] Prevents bouncing! Easy installation without drilling holes in the groove! A grating that is fixed and locked with an adjuster.
You can replace the underfloor storage reasonably by using existing flooring materials!
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.
It is ideal for use in places where a large number of unspecified people may have access, such as various facilities.
Inspection mirror with LED (L600–1000mm) / Model number MC55TM-LED1CS
It can accommodate complex drainage shapes such as pools, allowing for a flexible layout! Custom and special orders are accepted.
[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 covers as well.
A rich lineup that can accommodate a variety of applications, leveraging years of experience in foundry manufacturing!
Minimize the construction area and shorten the construction time! Introducing the construction methods we use.
Contribute to the beauty of urban landscapes.
This is a steel grating that can be selected according to the place of use and purpose.
This is a reliable manhole cover essential for road maintenance.
A sheet to prevent the adhesion of concrete and asphalt during construction!
The definitive method for preventing manhole floatation! Includes examples of the inner weight method construction!
With a handle for easy handling! Introducing a case where loss was eliminated.
Excellent corrosion resistance and insulation! FRP checker plates are ideal for indoor and outdoor flooring and coverings.
Available for rental! Temporary cover for paving work with a concentric circle pattern for easy identification of the manhole center.
Noise prevention from rattling! It does not obstruct pedestrian passage and is also effective for theft prevention.
Standard stainless steel grating! SUS304. I-bar type with main member pitches of 30, 22, 15, and 13 millimeters. Minimum gap is 8 millimeters.
The product lineup of Nissho Shokai Co., Ltd. that quickly responds to various needs!
A variety of wall designs are possible! When you push the wall at the door edge, a handle appears.
A cover for preventing falls and drop accidents at openings that allows for speedy installation!
Effective use of the flat sidewalk over the side ditch! It is less prone to wear and damage, which helps reduce maintenance.
Demonstrated effectiveness in actual rainfall! This is the ideal drainage ditch for countering guerrilla rainstorms.
One-touch attachment and detachment! It blocks heat, prevents the occurrence of large bumps, and creates a comfortable road environment.
For the safety of our lives! Manhole cover raising and replacement work should be done with a smart and efficient construction method!
With a new lineup that excels in safety and aesthetics, the variety of planning and design options has further increased!
Shut out unpleasant cold air and drafts! An inspection opening suitable for use in hospitals and hotels.
The outer frame is switchable! A ceiling inspection hatch with a structure that minimizes discrepancies and differences in height.
A clean design with both frames featuring a joint. Introducing an inspection opening certified by the Public Architecture Association!
Underfloor inspection opening for the bed construction method (underfloor material: particle board, structural plywood)
The opening for the handle is easy to create with a drill hole! A floor inspection hatch with custom dimensions is also available.
No need for disassembly and assembly of the inner frame as before! A product suitable for use in energy-efficient homes.
We are introducing a revamped construction method with an evolved indoor floor inspection opening.
Shorten construction time! No need for support beams, no on-site assembly required for the underfloor series!
We have a wide range of products, including wall inspection openings and one-touch underfloor inspection openings!
Numerous listings for floor inspection openings that shut out the leakage and intrusion of cold and warm air.
Outer frame one-touch installation! This is a compact underfloor inspection hatch suitable for quick inspections.
Custom dimensions available! Introducing a hatch made of stainless steel with excellent weather resistance.
Can be locked with the lid fully open! A key-operated hatch that allows you to securely lock the lid.
Standard product of Drain Getter compatible with regular and drainage pavement!
Standard product of Drain Getter for ordinary and drainage pavement!