Inspection hatch Product List and Ranking from 17 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

Inspection hatch Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. カイダーベースボード工業 Tokyo//Building materials, supplies and fixtures manufacturers
  2. null/null
  3. サヌキ 本社・工場 Osaka//Building materials, supplies and fixtures manufacturers
  4. 4 城東テクノ Osaka//Building materials, supplies and fixtures manufacturers
  5. 5 null/null
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Inspection hatch Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. (Wall-mounted / Ceiling-mounted) Inspection Opening 'Non-frame Hatch' カイダーベースボード工業
  2. (Wall-mounted exclusive) Inspection opening "MJK type magnetic inspection opening" カイダーベースボード工業
  3. (Wall-mounted exclusive) Inspection opening "Smart III Inspection Opening" カイダーベースボード工業
  4. 4 "Inspection Hatch" Catalog カイダーベースボード工業
  5. 5 "Gas damper type underfloor access hatch / aluminum underfloor lifting step" inspection opening

Inspection hatch Product List

31～45 item / All 62 items

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Wall Inspection Opening "RW Type"

Wall Inspection Opening "RW Type"

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

The "RW type" is a wall inspection opening that achieves a high level of finish with a unique mechanism that makes the hardware invisible from the outside. It uses installation hardware that emphasizes ease of construction. The frame is made of aluminum extrusions, achieving weight reduction. Additionally, it employs internal hinges, allowing for smooth opening and closing. 【Features】 ■ Unique mechanism that hides hardware from view ■ Achieves weight reduction *For more details, please refer to the catalog or feel free to contact us.

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

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Handhole

Handhole

We can also handle the installation of steps and support hardware, drilling, and the installation of bell mouths!

Our company offers concrete manholes called "Hand Holes," which are used as inspection openings for electrical and communication wiring. Each side is equipped with knockouts for piping, making on-site processing easy. The bottom has a drainage plug installed, allowing for drainage in low water level areas and sealing in high water level areas. Additionally, waterproofing can be achieved by using butyl rubber-based sealants or epoxy resin adhesives on the joint surfaces. 【Product Lineup】 ■ Hand Hole 450 ■ Hand Hole 600 ■ Hand Hole 800 ■ Hand Hole 900 ■ Hand Hole 1000 ■ Hand Hole 1200 *For more details, please download the PDF or feel free to contact us.

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

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Ceiling inspection hatch / Wall inspection hatch

Ceiling inspection hatch / Wall inspection hatch

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.

The "ceiling inspection hatch" is an environmentally friendly product made from recycled PET resin (100% polyester). Polyester boasts high safety, as it is widely used for beverage bottles that come into contact with the mouth, and it has excellent thermal insulation properties that meet energy-saving standards. We also offer products such as the "air-tight ceiling inspection hatch," which ensures high airtightness with gaskets in the outer and inner frames, and the "insulated wall inspection hatch," which features a low-profile design with a depth of 205mm from the wall. 【Features】 ■ Compatible with two construction methods ■ Insulated wall made of EPS ■ High insulation and excellent workability of the insulated bag, which is environmentally friendly ■ Lightweight, making it easy to fit into ceilings and providing excellent workability ■ High airtightness ensured by gaskets in the outer and inner frames *For more details, please refer to the PDF document or feel free to contact us.

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

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Residential Insulation Foundation Inspection Opening Type 600

Residential Insulation Foundation Inspection Opening Type 600

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

This product is an insulated airtight access hatch used in bathroom partitions. It accommodates a foundation width of 150mm and a concrete rise dimension of 340 to 400mm. Made of self-extinguishing flame-retardant expanded polystyrene (EPS), it is in a gray color that minimizes the visibility of concrete stains. Additionally, it ensures airtightness with an EPS spring mechanism and features an easy-to-open lid structure, meeting the JIS A 4706 (sash) airtightness A3 grade. 【Features】 ■ Thermal transmittance = 0.47 W/(m²·K) ■ Thermal resistance value = 2.1 m²·K/W ■ The piping section can be installed on either side ■ The main body accommodates foundation heights of 340 to 400mm ■ Made of self-extinguishing flame-retardant expanded polystyrene (EPS) *For more details, please refer to the PDF materials or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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Floor inspection hatch "Ultra-fine joint type" that blends into the surroundings.

Floor inspection hatch "Ultra-fine joint type" that blends into the surroundings.

It is ideal as an inspection opening around the building's floor and entrance area.

The "Ultra-Fine Joint Type Floor Hatch" is ideal for inspection openings around the building's floor and entrance area. This product features narrow joints that harmonize with the surrounding finishing materials, achieving a beautiful design. In typical floor hatches, the width of the joint can be wide, making it difficult to maintain balance with the finishing materials. The "Ultra-Fine Joint Type Floor Hatch" resolves such issues. Due to the narrowness of the joints, the visual difference with the surrounding finishing materials is hardly noticeable. It allows for a beautiful finish without compromising the overall design and atmosphere of the building. Furthermore, by using stainless steel materials, it excels in durability. It is also suitable for use on outdoor walkways, maintaining its beautiful condition over a long period. The "Ultra-Fine Joint Type Floor Hatch" achieves a beautiful finish and is an aesthetically pleasing floor inspection opening.

  • Inspection hatches, manhole covers, and ditch covers

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T-2 load OK! Vehicle passable "ultra-fine joint type floor hatch"

T-2 load OK! Vehicle passable "ultra-fine joint type floor hatch"

This is an ideal floor inspection opening for detached houses and apartment buildings.

The "Ultra-Fine Joint Type Floor Hatch" is an ideal floor inspection hatch for the approaches of single-family homes and apartment buildings. Let me introduce its features. First, the biggest characteristic of this product is that it can support vehicle passage with a total weight of up to 2000 kg. It is also perfect for decorative use with inspection resin sewage and rainwater manholes. Due to its fine joints, it can harmonize with surrounding finishing materials, achieving an aesthetically pleasing design. Furthermore, this product is highly durable. Made of stainless steel, it can be used for a long time. The differences from existing products include the ability to support vehicle passage of up to 2000 kg and the adoption of ultra-fine joints. This results in a product that combines higher functionality and aesthetics. The "Ultra-Fine Joint Type Floor Hatch" is recommended for those who want to beautifully and safely finish the approaches of single-family homes and apartment buildings.

  • Inspection hatches, manhole covers, and ditch covers

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[Bathroom Area] Kiso Inspection Opening (Pipe-Compatible Type)

[Bathroom Area] Kiso Inspection Opening (Pipe-Compatible Type)

Easily accommodates piping! We meet a wide range of needs.

The Kiso inspection opening (pipe-compatible type) is an insulated airtight inspection opening that allows for easy passage of piping. There is no need to determine the position of the piping when constructing the foundation, and even after installing the Kiso inspection opening, holes can be easily drilled at any vertical position in the piping components using a hole saw or similar tool. It allows for easy inspection of the airtight insulated section of the bathroom and is easy to install as a driven type in the formwork.

  • Earthworks
  • Residential foundations
  • Insulation work

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High airtight type floor inspection opening

High airtight type floor inspection opening

Suppressing moisture while maintaining airtightness and thermal insulation. Chosen by many construction companies for its high-quality craftsmanship!

The "high airtight floor inspection hatch" that we handle is an interior building material made of skin-friendly integrated resin, featuring high airtightness and load-bearing capacity. Its unique structure supports strength and durability, ensuring a solid airtight and thermal insulation line to fully realize the performance of high airtight and high insulation homes. With a barrier-free design that has a height difference of only 2.5mm from the floor, it offers a gentle feel even when stepped on with bare feet. With a wide variety of colors available, it can be selected to match the color of the floor finishing material.

  • Insulation work
  • Other fittings

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Kiso inspection port (retrofit type)

Kiso inspection port (retrofit type)

Installation is possible after the foundation is laid! A new standard component essential for airtight insulation in bathroom sections.

The "Kiso Inspection Opening (Retrofit Type)" is a foundational construction component characterized by its easy installation and flexible timing for mounting. Equipped with airtight material, it ensures airtight insulation in the pedestrian opening area. After inspection, closing the lid allows for the maintenance of airtight insulation in the bathroom area, just as it was before the inspection. Additionally, it can be easily opened and closed multiple times, making inspections of the bathroom area straightforward.

  • Residential foundations
  • Inspection hatches, manhole covers, and ditch covers

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High airtight floor inspection opening for renovation

High airtight floor inspection opening for renovation

You can replace the underfloor storage reasonably by using existing flooring materials!

Our company offers a "High Air Tightness Underfloor Inspection Hatch for Renovation" that can utilize existing flooring materials. With no seams and a seal packing between the lid and frame, it demonstrates excellent air tightness. The seal packing is located in the recess of the base material, ensuring that elasticity is not compromised, maintaining air tightness and preventing wobbling. Additionally, since the frame material is made of resin, the surface temperature is almost the same as room temperature, so it does not feel cold when stepped on with bare feet. 【Features】 - A reliable design that is free from creaking sounds and wobbling, capable of withstanding a load of 100 kg. - Excellent air tightness. - Gentle on bare feet. - The handle is larger than standard ones, allowing it to cover the holes left by existing handles in the flooring. *For more details, please refer to the related links or feel free to contact us.

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

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High airtight floor inspection hatch with body composition meter NORNE

High airtight floor inspection hatch with body composition meter NORNE

Make daily health checks easier to incorporate into your routine!

A new concept underfloor inspection hatch in collaboration with Tanita! The body composition monitor is integrated into the underfloor inspection hatch, creating a flat floor surface. You won't have to worry about where to place the body composition monitor. There is also a lineup of replacement types specifically for those who already have the Joto underfloor inspection hatch installed.

  • Welfare and medical equipment

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Joint inspection port

Joint inspection port

New product for easily inspecting and connecting junctions of ceiling wires from indoors / Junction inspection opening.

■Features of the Joint Inspection Opening (Construction) 1. It can be easily installed from indoors onto the ceiling without any discomfort and with a good appearance. 2. It can be installed on the ceiling surface at the connection (joint) location of the wiring in the ceiling space from indoors. 3. The cover can be opened from indoors, allowing for easy inspection and connection work at the joint of the wiring in the ceiling space. 4. By periodically inspecting the connections of the ceiling wiring, which can be a cause of fire, by opening the cover from indoors, it is possible to prevent equipment damage and fires caused by overheating due to overload or poor connections. 5. The cover can be opened from indoors to perform connection replacement work for miswiring or poor connections of the ceiling wiring, without damaging the ceiling finishing materials. 6. It can be used not only for connecting general electrical wiring but also for connecting communication lines in low-voltage work. ■Features of the Joint Inspection Opening (Product) 1. It is a joint inspection opening that can be installed on ceiling finishing materials. 2. It has a good appearance and can be easily installed with a one-touch mechanism. 3. There is no need for repair work on ceiling finishing materials or ceiling substrate materials, and no specialized contractors are required. 4. It can be installed even on ceilings without substrate materials (such as traditional Japanese room ceilings).

  • Inspection hatches, manhole covers, and ditch covers
  • Manhole body
  • Other commercial buildings and service facilities

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Rotating Handle Built-in Floor Inspection Opening | NEW HIKARI

Rotating Handle Built-in Floor Inspection Opening | NEW HIKARI

A sleek design! A floor inspection hatch compatible with flooring materials up to 5mm thick.

NEW HIKARI is the original brand of Shimizu Corporation. We offer a wide range of construction hardware, fittings, and equipment for professional craftsmen and specialized contractors. We have been appreciated for our reliable quality across various fields for many years. The "Rotating Handle Built-in Floor Inspection Opening" is a product that incorporates a half-rotating handle into the inner frame. Since there is no need to install a handle, construction time is reduced, leading to cost savings. The rigidity of the aluminum extruded material has been enhanced, eliminating the need for reinforcement bars. 【Features】 ■ Built-in half-rotating handle in the inner frame ■ Clean design ■ Reduced construction time as there is no need to install a handle ■ Floor inspection opening compatible with flooring materials up to 15mm thick ■ Enhanced rigidity of aluminum extruded material, eliminating the need for reinforcement bars *For more details, please download the PDF or feel free to contact us.

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  • Support hardware/opening hardware
  • Hardware Doors, Handles and Locks

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Ceiling Inspection Opening | NEW HIKARI

Ceiling Inspection Opening | NEW HIKARI

Aluminum plate thickness t = 1.0! The fixed fittings include two types: support fittings and hanging fittings.

NEW HIKARI is the original brand of Shimizu Corporation. We offer a wide range of construction hardware, fittings, and equipment for professional craftsmen and specialized contractors. Our products have been cherished for many years due to their reliable quality. This product is an aluminum "ceiling inspection hatch." We offer three sizes: 300mm, 450mm, and 600mm. The fixing hardware includes two types: "support brackets" and "hanging brackets." 【Features】 ■ Aluminum plate thickness t = 1.0 ■ The fixing hardware includes two types: "support brackets" and "hanging brackets" ■ We offer three sizes: 300mm, 450mm, and 600mm *For more details, please download the PDF or feel free to contact us.

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  • Support hardware/opening hardware

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Underfloor inspection opening | NEW HIKARI

Underfloor inspection opening | NEW HIKARI

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.

NEW HIKARI is the original brand of Shimizu Corporation. We offer a wide range of construction hardware, fittings, and equipment for professional craftsmen and specialized contractors. Our products have been cherished for many years due to their reliable quality. The "Underfloor Inspection Opening" is made of aluminum and features a sleek and clean finish with a width of 9.5mm for both the outer and inner frames. By changing the screw fastening positions, construction time is reduced, making it economical. 【Specifications】 ■460mm square bronze ■Width of 9.5mm for both outer and inner frames ■Aluminum *For more details, please download the PDF or feel free to contact us.

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  • Inspection hatches, manhole covers, and ditch covers

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