Ceiling inspection hatch Product List and Ranking from 7 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.

Ceiling 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. 城東テクノ Osaka//Building materials, supplies and fixtures manufacturers
  2. バクマ工業 Niigata//Building materials, supplies and fixtures manufacturers
  3. 清水 Osaka//Trading company/Wholesale
  4. 4 サヌキ 本社・工場 Osaka//Building materials, supplies and fixtures manufacturers
  5. 4 スペースワークス シーリングシステム Kyoto//Building materials, supplies and fixtures manufacturers
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Ceiling 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. Fireproof and airtight ceiling inspection opening [60-minute semi-fireproof structure, compatible with reinforced ceilings] 城東テクノ
  2. Fireproof and high airtight ceiling inspection opening [45-minute semi-fireproof structure compatible product] 城東テクノ
  3. Ceiling Inspection Hatch "Ceiling-kun" バクマ工業
  4. Ceiling Inspection Opening | NEW HIKARI 清水
  5. 5 Ceiling Inspection Hatch White & Silver | NEW HIKARI 清水

Ceiling inspection hatch Product List

1～13 item / All 13 items

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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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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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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.

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  • 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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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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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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  • 天井点検口5.jpg
  • Support hardware/opening hardware

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Ceiling inspection hatch

Ceiling inspection hatch

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

This product is a standard type ceiling inspection hatch. It features a lightweight aluminum body and an easy-to-install self-supporting sliding type fixing bracket. The fixing bracket attached to the outer frame can stand independently and slide left and right, making installation work easier. Please choose from two types of fixing brackets: support brackets and hanging brackets. 【Features】 ■ Standard type ■ Lightweight aluminum body ■ Two types of fixing brackets: self-supporting and sliding ■ Easy installation ■ Certified by the Public Building Association (hanging bracket specification only) *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 Leaf series

Ceiling inspection hatch Leaf series

Four-Direction Operable Ceiling Inspection Hatch Leaf Series

Four-way opening and closing function, inspection openings with rounded corners, frame type, joint type, frame joint type, airtight type, inspection openings equipped with fall prevention wires, and a variety of colors. The hanging bracket type is certified by the Public Building Association.

  • Gypsum board and moldings
  • Gypsum board and moldings
  • Interior and exterior construction accessories

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Ceiling Inspection Hatch "Ceiling-kun"

Ceiling Inspection Hatch "Ceiling-kun"

Significantly improve workability! Ceiling materials can be easily attached with a spring!

"Ceiling-kun" is a ceiling inspection hatch that features excellent workability with a one-touch installation using springs for the ceiling material. The installation of the outer and inner frames is simple and clicks into place. Additionally, the design incorporates four thin grooves to enhance both aesthetics and strength, resulting in a stylish frame-like finish. In addition to this, we offer a lineup that includes "Ceiling-kun-R," which features a coin lock mechanism for opening and closing, as well as "Ceiling-kun-RW," "Ceiling-kun-W," and the underfloor inspection hatch "Underfloor-kun." 【Features】 ■ Simple one-touch installation for outer and inner frames ■ One-touch opening and closing without tools ■ Excellent workability ■ Enhanced design and strength ■ Stylish frame-like finish *For more details, please refer to the PDF materials or feel free to contact us.

  • Other fittings

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Ceiling inspection hatch "Wani Hatch"

Ceiling inspection hatch "Wani Hatch"

Available in three sizes! It is an aluminum ceiling inspection hatch in a frame type.

"Wani Hatch" is an indoor ceiling inspection hatch that is fixed with screws and designed for ceiling materials with support brackets. We offer three sizes: 306mm, 456mm, and 606mm. The 456mm size is available in silver and white colors. 【Lineup】 ■ Wani Hatch 300 - Ceiling opening dimensions W×H (mm): 306×306 - Ceiling material cutting dimensions W×H (mm): 267×267 - Packaging: 10 units ■ Wani Hatch 450 - Ceiling opening dimensions W×H (mm): 456×456 - Ceiling material cutting dimensions W×H (mm): 417×417 - Packaging: 10 units ■ Wani Hatch 600 - Ceiling opening dimensions W×H (mm): 606×606 - Ceiling material cutting dimensions W×H (mm): 567×567 - Packaging: 5 units ■ White Wani Hatch 450 - Ceiling opening dimensions W×H (mm): 456×456 - Ceiling material cutting dimensions W×H (mm): 417×417 - Packaging: 10 units *For more details, please download the PDF or feel free to contact us.

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