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!
We will introduce various types of manhole covers, including rotation lock types, large diameter types, and square types.
Introducing airport and electrical construction-related products such as hand holes, manholes, and cast iron covers!
We offer single and double sheets made of striped steel plate! A wide variety of sizes are also available.
[Cut sample available] A flexible layout that accommodates complex groove shapes. We have extensive experience in schools, including baseball fields, grounds, and pools!
This is a manhole with excellent chemical resistance and salt resistance, and high freeze-thaw resistance.
Standard product of Drain Getter for ordinary and drainage pavement!
A clean design with no visible frame. Perfect for spaces where you want to focus on aesthetics. Wall-mounted options are also available.
Standard product of Drain Getter for ordinary and drainage pavement!
MJK type magnet inspection opening with a cross-wrapped finish that does not show the frame.
This is a slit-type drainage ditch cover that is ideal for enhancing the landscape.
With a handle for easy handling! Introducing a case where loss was eliminated.
[NETIS Registration] Prevents bouncing! Easy installation without drilling holes in the groove! A grating that is fixed and locked with an adjuster.
No need for conversion fittings! The butyl rubber adhesive securely holds the ribs in place and ensures a watertight seal.
The filling made of shock-absorbing rubber chip cushioning material reduces walking strain!
It is ideal for use in places where a large number of unspecified people may have access, such as various facilities.
By changing just one bolt of the bolt-fixed manhole cover to a special bolt, it can be locked.
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.
Four types are lined up: round type for sidewalks/roadways and square type large/small connecting covers!
A sheet to prevent the adhesion of concrete and asphalt during construction!
Uniform quality due to factory production! Installation and removal are easy with a screwdriver.
Safety measures products to prevent the familiar dangers lurking in open ditches and irrigation channels found on the streets!
With a new lineup that excels in safety and aesthetics, the variety of planning and design options has further increased!
High-strength, excellent durability net cover! Solves issues such as accidents of falling into waterways and garbage dumping!
A combined gutter with enhanced recycling efficiency! Ideal for areas with relatively high water flow!
Integrated gutter with enhanced recycling efficiency! Compatible with free slope!
Frame-less that blends with the floor.
Fits as a drainage cover around the exterior, such as the greenery and flowers in the garden and lighting fixtures!
It is a large-diameter machine hatch with a fire resistance performance of 2 hours.
It demonstrates its power even in sudden guerrilla downpours! It maintains drainage performance even when leaves and debris accumulate.
Compatible with a wide range of flooring materials! Please use it in areas where inspection openings are needed, both indoors and outdoors.
Significant reduction in construction time without the need for concrete manholes! Achieving extraordinary durability.
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!
Since it is said to be in the mountains, this is a case of delivery using our 4-ton unic truck!
Urban water disasters: Proposing measures to control rainwater, prevent internal flooding and inundation, and create livable streetscapes. Tosk! Solving multiple latent issues (landscape, sanitation, etc.) all at once!
Urban water disasters: Controlling rainwater, measures against internal flooding and inundation, and proposals for a livable streetscape. Tosk! Solving multiple latent issues (landscape, sanitation, etc.) all at once!
Various designs can be produced. Design manhole covers.
Introduction of striped copper plates and patterned copper plates! In addition to steel, we also offer a lineup of board products made from different materials such as striped FRP and aluminum striped plates (5-line).
The product lineup of Nissho Shokai Co., Ltd. that quickly responds to various needs!
Introducing points and NETIS registered products that prevent water accumulation on roads and rainwater runoff to private land due to high drainage functionality!
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!
A manhole cover series that covers a variety of uses.
By simply installing it in the side ditch or U-shaped ditch, it prevents small animals from entering as well as debris like branches and plastic!
This is a grating for depression prevention measures.
460mm square bronze, with a clean design of 9.5mm width for both the outer and inner frames! By changing the screw fixing position, construction time is shortened, making it economical.
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.
Custom dimensions available! Introducing a hatch made of stainless steel with excellent weather resistance.
We have created various products that can be connected to PVC pipes.
![イプロスTOP画像★[1].jpg](https://image.www.ipros.com/public/company/image/44f/1379125/IPROS15861104626702257323.jpeg?w=280&h=280)
Protecting underground infrastructure and lifelines! A handhole packed with various benefits.
A wide variety of options are available to choose from based on the material of the target, the material of the main body, and the intended use!
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.
Ideal for floor wiring in centralized control rooms of factories, buildings, etc.! A functional finish without compromising aesthetics.
You can replace the underfloor storage reasonably by using existing flooring materials!
Installed in 1 minute! A no-welding, one-touch window with a safety net for additional safety measures.
We provide safe and secure underfloor storage and inspection openings.
Lightweight resin lid achieved through overwhelming construction efficiency and unique technology! The main body of the storage box features a reassuring antibacterial specification.
It enhances the beauty of the building and the surrounding scenery with a beautiful form that is resistant to rust.
By forcibly securing the frame and the main body with bolts, you can prevent rattling and noise.
It is possible to ensure underfloor ventilation for the building and create a flat tiled terrace indoors. A cantilever structure is adopted that allows construction without touching the building's exterior walls or foundation!
It catches garbage such as dead branches, fallen leaves, and empty cans.
Prevent falling accidents during inspection work! Measures and products for safe manhole operations.
L-shaped drains for plant facility floors and roads. We will solve your problems!
Products related to Polacon that help secure rainwater infiltration and storage, prevent clogging, and prevent ground subsidence.
It can accommodate complex drainage shapes such as pools, allowing for a flexible layout! Custom and special orders are accepted.
A rich lineup that can accommodate a variety of applications, leveraging years of experience in foundry manufacturing!
This is a catalog for cast iron "decorative manhole covers." They are manufactured in accordance with the standards of the Society of Air Conditioning and Sanitary Engineering (Shase-s).
Recommended for simple valve installation on soil surfaces! A product suitable for easy installation without compromising the landscape.
Opening the central cover of the manhole lid at that location will turn it into a toilet!
We handle a wide range of products for manhole cover safety, including "fall prevention ladders" and "hand grips" for entering and exiting.
We will introduce a case where blue anti-rust paint was used and finished beautifully.
Introducing a case of delivering a trench cover with dimensions w630×t150×L500.
Examples of products that are cute in appearance and made with heartfelt dedication!
A special manhole cover with a delivery record of over 20,000 units!
We will rehabilitate existing manholes with reduced load-bearing capacity.
The slit cover is made of stainless steel SUS304, and the frame is finished with galvanized steel with SUS joints. For U150, U180, U240, and U300.
Essential items around apartments, collective housing, and mansions! A standard product made of cast iron mesh, the 'cast iron grating cover' with fine mesh, just like manholes!! β
Prevent wobbling and noise with anchor stops! Concrete floor slabs with slits.
Effective use of the flat sidewalk over the side ditch! It is less prone to wear and damage, which helps reduce maintenance.
The replacement of the side ditch construction has been shortened to 1/4 with "high-tensile steel," which ensures the securing of water flow cross-sections and good workability!
We offer a variety of options for the shielded room, including ventilation ports, LAN, cameras, and more!