Ceiling inspection hatch Product List and Ranking from 4 Manufacturers, Suppliers and Companies

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 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 (according to our test values), which may not ensure the continuity of fireproof coating in quasi-fireproof structures or reinforced ceilings. By using a fireproof ceiling inspection opening, continuity of the fireproof coating can be ensured. ■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 on-site construction effort. ■Ensuring High Airtightness By providing a recess 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↓

Company：城東テクノ
Price：Other

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Fire-resistant and airtight ceiling inspection opening [60-minute semi-fire-resistant structure, compatible with reinforced ceilings]

Ceiling inspection openings compatible with 60-minute semi-fire-resistant 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 fireproof ceiling inspection openings, 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-manufactured box-shaped fireproof coating above the ceiling inspection opening; however, these measures can become a burden on 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 that comply with 45-minute quasi-fireproof structures, the visible width has been narrowed, and the base material has been painted for a cleaner appearance. ■Consideration for Safety During Opening, Closing, and Inspections Since ceiling materials become heavier in 60-minute quasi-fireproof structures or reinforced ceilings, a fall prevention chain is standardly equipped to prevent the lid from opening too forcefully during inspections. ■Special Column Published 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↓

Company：城東テクノ
Price：Other

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Okju Co., Ltd. Construction Achievements

Here are some examples of construction projects handled by Okju, including government offices and airports!

At Okuju, we handle interior and exterior construction work for buildings (walls, ceilings, etc.). We have a track record of working on notable buildings, including government offices, airports, and hotels. You can view many other achievements through the external link. (Please click on each image at the link.) 【Construction Achievements (Excerpt)】 ■ Skyscrapers ■ Exhibition halls ■ Earthquake recovery work ■ Ceiling seismic reinforcement work ■ Renovation work *For more details, please refer to the PDF materials or feel free to contact us.

Company：オクジュー本社（大阪）・東京本社・九州支店・名古屋営業所・南九州営業所・上海事務所
Price：Other

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aluminum
stainless

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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 and 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 can be installed from indoors to the ceiling space. 4. Wiring can be easily done from indoors to the ceiling space without being exposed, preserving the interior design of the building, and achieving a good finish and appearance. 5. Construction time can be reduced (by half) and costs can be lowered (by a third), allowing for safe work and easier electrical construction. ■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 framing materials, and no specialized contractors are required. 4. It can be installed even in ceilings without framing materials (such as traditional Japanese room ceilings).

Company：スペースワークスシーリングシステム
Price：Less than 10,000 yen

LAN construction and wiring work
PBX/IP phone
Other network tools

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Ceiling Inspection Opening "Ceiling-kun"

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

"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 frame and inner frame is simple and clicks into place with one touch. 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 has 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 the outer and inner frames ■ One-touch opening and closing without tools ■ Excellent workability ■ Improved design and strength ■ Stylish frame-like finish *For more details, please refer to the PDF document or feel free to contact us.

Company：バクマ工業
Price：Other

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Ceiling inspection hatch Product List and Ranking from 4 Manufacturers, Suppliers and Companies