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

1～15 item / All 62 items

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Underfloor storage / Underfloor inspection opening

Underfloor storage / Underfloor inspection opening

We provide safe and secure underfloor storage and inspection openings.

Our "Underfloor Storage (Underfloor Inspection Opening)" complies with energy-saving standards and is a long-term use compatible component (CjK component) that meets the relevant standards. Made from calcined scallop shells, it contains 100% natural ingredients and environmentally friendly antibacterial agents that are also food additives. These agents are incorporated into the resin of the storage unit using our unique technology, allowing the storage unit to be antibacterial and certified by SIAA. 【Features】 ■ Resin corner specifications aimed at improving safety in corner areas ■ Passed 150,000 drops of a 65kg sandbag test (in-house standard) ■ The notch dimensions of the rotating handle are 23×91mm, compliant with CjK component standards ■ Antibacterial treatment of the underfloor storage unit using 100% natural ingredients ■ Our original double-separate auxiliary joist insulation material for easy inspection *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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Air-tight/insulated resin frame floor inspection opening/storage unit type 600

Air-tight/insulated resin frame floor inspection opening/storage unit type 600

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

This product is the "Air-tight/Insulated Resin Frame Floor Inspection Hatch and Storage Unit 600 Type," which does not require auxiliary joists (procured on-site) or leveling of the auxiliary joists. The construction time is expected to be reduced by 50% compared to our conventional aluminum frame products, and the assembly of the cover plate is particularly easy. Additionally, it has passed a drop test of 150,000 times with a 65kg sandbag (in-house standard), ensuring no worries about creaking, bending, or floor noise. 【Features】 ■ The EFS mechanism provides a centering function for the floor opening. ■ The resin outer frame can be accurately installed on the floor surface. ■ With a load of 980N (100kg), the deflection is less than 3mm. ■ It meets the air-tightness performance of JIS A 4706 (sash) A-4 grade. ■ The insulation performance is below a thermal transmittance of 0.34W/(m2·K) for energy-saving region classification I (Hokkaido). *For more details, please refer to the PDF materials or feel free to contact us.

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

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[Information] Termite Guarantee System Maintenance Guide

[Information] Termite Guarantee System Maintenance Guide

We will guide you on a maintenance guide to protect your home from termite damage!

This document includes maintenance and checks to prevent termite damage, as well as information on the Joso Kiso Packing Method. We would greatly appreciate it if you could read it and utilize it to further reduce the possibility of termite damage to near zero.

  • Residential foundations
  • Renovation and repair methods

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Fireproof and high airtight ceiling inspection opening [45-minute semi-fireproof structure compatible product]

Fireproof and high airtight ceiling inspection opening [45-minute semi-fireproof structure compatible product]

Ceiling inspection openings with a 45-minute semi-fire-resistant structure that do not pose a fire safety issue even when installed on fireproof covering lines [Special column now available].

■Ensuring the Continuity of Fireproof Coating The fireproof performance of our conventional products (made of aluminum) is approximately 28 minutes (according to our test values), so it is possible that continuity of fireproof coating cannot be ensured in quasi-fireproof structures or reinforced ceilings. By using a fireproof ceiling inspection opening, continuity of fireproof coating can be secured. ■Simplification of Construction To ensure the continuity of fireproof coating, there are cases where various methods are employed, such as providing a site-manufactured box-shaped fireproof coating above the ceiling inspection opening; however, the measures for fireproof coating have become a burden on the site. This product eliminates the need for a box-shaped fireproof coating, leading to a reduction in construction labor on site. ■Ensuring High Airtightness A recess is provided to maintain the elasticity of the airtight material. It has high airtight performance equivalent to JIS A 4706 (sash) airtightness grade A4 (according to our test values). ■Special Column Published by Noboru Yasui, Representative of Sakura Design Group First-Class Architect Office "What are the precautions for fireproof coating required in quasi-fireproof and fireproof buildings?" ↓Click the related link↓

  • Ceiling decoration and design materials
  • Interior/Interior Doors

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Are you having trouble selecting materials for complex wooden non-residential buildings?

Are you having trouble selecting materials for complex wooden non-residential buildings?

A helpful site for wooden non-residential buildings has opened. You can easily search for materials that suit your needs by selecting the products and conditions you are looking for!

In the realm of wooden non-residential buildings, the mission of Joto Tech is to 【how to make wood last longer】 Are you having trouble selecting components for complex wooden non-residential buildings? On this site, by selecting the products and conditions you are looking for, you can narrow down and search for components that suit each application! Please feel free to contact us.

  • Other commercial buildings and service facilities

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Edge-less high airtight type underfloor inspection opening FUCHINE [standard type]

Edge-less high airtight type underfloor inspection opening FUCHINE [standard type]

Frame-less that blends with the floor.

A borderless, high airtightness underfloor inspection opening that overturns conventional wisdom. It maintains the performance of Joto's high airtightness underfloor inspection opening while achieving a noiseless space.

  • Inspection hatches, manhole covers, and ditch covers

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Fireproof and airtight ceiling inspection opening [60-minute semi-fireproof structure, compatible with reinforced ceilings]

Fireproof and airtight ceiling inspection opening [60-minute semi-fireproof structure, compatible with reinforced ceilings]

Ceiling inspection openings compatible with 60-minute semi-fireproof structures and reinforced ceilings that do not pose fire safety issues even when installed on fireproof covering lines [Special column now available].

■Ensuring the Continuity of Fireproof Coating The fireproof performance of our conventional products (made of aluminum) is approximately 28 minutes (based on our test values), so it is conceivable that continuity of fireproof coating cannot be ensured in quasi-fireproof structures or reinforced ceilings. By using a fireproof ceiling inspection opening, continuity of fireproof coating can be secured. ■Simplification of Construction To ensure the continuity of fireproof coating, there are cases where various methods are employed, such as installing a site-fabricated box-shaped fireproof coating above the ceiling inspection opening, but these measures can burden the site. This product eliminates the need for a box-shaped fireproof coating, leading to a reduction in on-site construction effort. ■Slimming Down the Visible Width for Aesthetic Appeal Compared to products compatible with 45-minute quasi-fireproof structures, the visible width has been made narrower, and the base material has been painted for a cleaner appearance. ■Consideration for Safety During Opening, Closing, and Inspections Since the ceiling materials for 60-minute quasi-fireproof structures or reinforced ceilings are heavier, a fall prevention chain is standardly equipped to prevent the lid from opening forcefully during inspections. ■Special Column Now Available by Mr. Noboru Yasui, Representative of Sakura Design Group, First-Class Architect Office "What are the important points regarding fireproof coating required for quasi-fireproof and fireproof buildings?" ↓Click the related link↓

  • Interior/Interior Doors

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【Insulation and Airtightness Inspection Opening】 Dam Blocker for Floor S

【Insulation and Airtightness Inspection Opening】 Dam Blocker for Floor S

A floor inspection opening that complies with energy-saving standards for all regions!

Long-term excellent housing requires inspection openings in the floor and ceiling. These openings are areas where insulation deficiencies and air leaks are likely to occur. The Damp Blocker Floor S has high insulation and airtightness, making it an ideal product for high-performance homes. 【Features】 ■ High insulation performance with a thermal conductivity rate of 0.32 W/(m²·K), compliant with energy-saving standards in all regions! ■ Uses EPS insulation material with minimal changes over time! ■ Maintains high airtightness with an inner packing! ↓ For more details, please download the catalog or contact us.

  • others

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Sealing hole

Sealing hole

Round inspection opening/sealing hole that can be easily installed on the ceiling.

■Features of Ceiling Holes (Construction) 1. Wiring and cabling in the ceiling space can be done from indoors after the ceiling work is completed. 2. Wiring for information communication systems (IT) and various electrical works can be easily done from indoors in the ceiling space. 3. Not only electrical wires, but also piping for air conditioning refrigerants and air ducts can be installed from indoors to the ceiling space. 4. Wiring can be easily done from indoors to the ceiling space without becoming exposed, preserving the interior design of the building, and achieving a neat and aesthetically pleasing finish. 5. Construction time can be reduced by half (1/2) and construction costs can be lowered by one third (1/3), allowing for safe work and easier electrical installations. ■Features of Ceiling Holes (Product) 1. It is a round inspection opening (entry point) that can be installed in 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 in ceilings without substrate materials (such as traditional Japanese room ceilings).

  • Inspection hatches, manhole covers, and ditch covers
  • Piping and electrical wiring materials
  • Interior construction

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Ceiling Inspection Hatch White & Silver | NEW HIKARI

Ceiling Inspection Hatch White & Silver | NEW HIKARI

The fixed fittings come with support brackets! Introducing products such as rope price types.

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 "Ceiling Inspection Hatch (Aluminum t=0.8) White & Silver" is a product that comes with support hardware attached to the fixed hardware. The white color matches the ceiling material, while the silver version is a lightweight, low-cost type that allows for smooth opening and closing via sliding. 【Features of White】 ■ White color that matches ceiling materials ■ Fixed hardware comes with support hardware ■ Opening and closing operation with a sliding knob *For more details, please download the PDF or feel free to contact us.

  • 天井点検口（アルミ製t=0.8）2.png
  • 天井点検口（アルミ製t=0.8）4.jpg
  • 天井点検口（アルミ製t=0.8）5.jpg
  • 天井点検口（アルミ製t=0.8）6.gif
  • Support hardware/opening hardware

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Air-tight ceiling inspection opening

Air-tight ceiling inspection opening

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

This product is an inspection port that can shut out unpleasant cold air and drafts. It is suitable for use in energy-efficient homes, clean rooms, hospitals, and hotels. We offer two types of fixed brackets: "self-supporting" and "sliding," which can slide left and right, making installation easier. 【Features】 - Two types of locking mechanisms are available: coin lock type and key system lock type. - The fixed brackets slide left and right while being self-supporting, facilitating installation. - Certified by the Public Building Association (only for hanging bracket specifications). *For more details, please refer to the PDF document or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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『壁用点検口』

『壁用点検口』

安全設計でイタズラを抑止でき安心して使用可能！かんたん施工の点検口

当製品は、外枠・内枠共、工具を使わずかんたんに施工できます。 外枠は壁仕上げ材の厚みは5～26mm、内枠は5～14mmまで対応。 内枠開錠は、安全設計でイタズラを抑止でき安心してお使いいただけます。 給水管や配水管の接続部やバルブなどの点検用としてご使用いただけます。 【特長】 ■工具を使わない ■かんたん施工 ■安全設計でイタズラを抑止 ※詳しくはPDF資料をご覧いただくか、お気軽にお問い合わせ下さい。

  • Inspection hatches, manhole covers, and ditch covers

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Ceiling inspection hatch (Gremont type)

Ceiling inspection hatch (Gremont type)

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

This product is a maintenance opening designed to minimize the issues associated with the inner frame warping, which can easily lead to misalignment and steps when heavy ceiling materials are installed. It achieves this by adopting a Gremon lock that secures the inner frame at three points. In addition to the traditional single-point lock at the center, locks on both sides have been added to prevent the warping of the inner frame, enhancing both design and safety. 【Features】 ■ Adopts a Gremon lock that secures the inner frame at three points ■ Two types of fixing brackets available: self-supporting and sliding ■ Minimizes the occurrence of misalignment and steps ■ Easy to fit ceiling materials ■ Certified by the Public Building Association (only for hanging bracket specifications) *For more details, please refer to the PDF document or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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Ceiling inspection hatch

Ceiling inspection hatch

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

This product is a ceiling inspection hatch that allows for switching between the outer frame joint and the outer frame by inverting the outer frame. Therefore, the outer frame can be selected according to the conditions of the site. Additionally, the adoption of the Gremon lock makes it difficult for misalignment or height differences between the outer and inner frames to occur. 【Features】 ■ The outer frame can be switched ■ Two types of locking mechanisms ■ Difficult to have misalignment or height differences ■ Certified by the Public Building Association *For more details, please refer to the PDF document or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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PM Joint Ceiling Inspection Opening (Joint-Specific Type)

PM Joint Ceiling Inspection Opening (Joint-Specific Type)

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

This product is a ceiling inspection hatch designed specifically for joints, resulting in a lightweight structure with fewer components compared to traditional switch-type hatches. The gaps between the inner and outer frames are designed to be uniform both horizontally and vertically. Both the outer and inner frames have a low height, and the rise of the outer frame is straight, making it easy to install. 【Features】 ■ Both frames have a clean design with joints ■ Lighter and with fewer components compared to traditional switch-type hatches ■ Locking mechanism is a coin lock type ■ The gaps between the inner and outer frames are uniform both horizontally and vertically ■ Certified by the Public Building Association *For more details, please refer to the PDF document or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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