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  6. Approximately 60% lighter stair opening handrail frame "Aluminum Step Guard"

Approximately 60% lighter stair opening handrail frame "Aluminum Step Guard"

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last updated:Apr 03, 2026

中央ビルト工業
中央ビルト工業
  • Official site

[Sales and Leasing] Dramatically improves the workload during installation and removal due to simple design and lightweight construction! Also contributes to addressing the aging issues in scaffolding work!

Are you struggling with the aging workforce in scaffolding work? The stair opening handrail frame used for fall prevention from stair openings. The "Aluminum Step Guard" stair opening handrail frame from Chuo Built Industry is a 6.2 kg handrail frame that is approximately 60% lighter than our conventional steel products. With its simple design and lightweight construction, it dramatically improves the workload during installation and removal, contributing to the challenges posed by an aging workforce in scaffolding work. Additionally, by allowing the arm to open and close at 90 degrees, the traditional triangular opening has been eliminated, significantly enhancing safety. There is no need to install optional materials such as "triangular gap plates," which also contributes to cost reduction. 【Features】 - Achieves approximately 60% weight reduction compared to our conventional steel products through aluminum construction! - The elimination of the traditional triangular opening due to the 90-degree opening and closing of the arms enhances safety! - Compatible with wedge-locked scaffolding (next-generation scaffolding) in both inch and metric measurements. - The hook locking mechanism operates on one side only, improving efficiency during disassembly! *For more details, please download the PDF below.

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AKSB.png

Approximately 60% lighter stair opening handrail frame "Aluminum Step Guard"

AKSB.png
AKSB.png
  • Related Link - https://premium.ipros.jp/chuo-build/

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basic information

【Specifications】 - Model Number: AKSB-90S - Weight: 6.2kg - Size: Inches: 1829mm × 945.6mm Meters: 1800mm × 945.6mm - Compatible with wedge-type fastening scaffolding from various manufacturers (for next-generation scaffolding), suitable for both inches and meters.

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Delivery Time

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※The delivery time may vary depending on the quantity, so please feel free to contact us.

Applications/Examples of results

For more details, please refer to the PDF or feel free to contact us.

Detailed information

  • AKSB-90_3.jpg

    Switching between inches and meters is possible.

  • AKSB-90_2.jpg

    The triangular opening has disappeared, and there is no longer a need to install a gap board.

News about this product(3)

Central Built Temporary Exhibition Hall

Come, see, and touch! Temporary exhibition hall at Chuo Built [Reservations now open]

  • Seminar・Event

This is an announcement for advance reservations for the "Central Built Temporary Exhibition Hall," where you can actually experience our top products from the inquiry ranking. If you are considering a purchase or are involved in rental sales and are contemplating on-site proposals, we encourage you to come. Visitors will receive a collection of design examples of our products! <Date> Advance reservation required *Please inquire for details <Exhibited Products> - Sky Wedge Albatross (Wedge-Connected Scaffolding) - Multi Truss A & B (Truss Materials for Large Spans) - Alcolumn (Aluminum Column Formwork Fastening Fittings) - Aluminum Step Guard (Handrail Frame for Stair Openings) - New Type Aluminum Hatch Fabric Board - Various Baseboards - ID-15 (Frame Tower) - Lightweight Square Columns - Sky Fence (Protective Frame), etc. ■ How to Reserve Please click the button below for details and application, check "Participation Request" in the request section, and fill in "Number of People" and "Preferred Date and Time." *Please note that we may not be able to accommodate your request depending on reservation status. For more details, please check the related materials.

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Central Built Temporary Exhibition Hall

Come, see, and touch! Central Built's temporary exhibition hall [Reservations now open]

  • Seminar・Event

This is an announcement for advance reservations for the "Central Built Temporary Exhibition Hall," where you can actually experience our top products from the inquiry ranking. If you are considering a purchase or are involved in rental sales and are contemplating on-site proposals, we invite you to come. Visitors will receive a collection of design examples of our products! <Date and Time> Advance reservation required *Please inquire for details <Exhibited Products> - Sky Wedge Albatross (wedge connection scaffolding) - Multi Truss A & B (truss materials for large spans) - Alu Column (aluminum column formwork fastening device) - Aluminum Step Guard (handrail frame for stair openings) - New type aluminum hatch-type cloth board - Various skirting boards - ID-15 (frame tower) - Lightweight square posts - Sky Fence (protection frame), etc. ■ How to Reserve Please click the button below for details and application, check "Participation Request" in the request section, and fill in "Number of People" and "Preferred Date and Time." *Please note that we may not be able to accommodate your request depending on the reservation status. For more details, please check the related materials.

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The temporary exhibition hall of Central Built will open!

  • Seminar・Event

Starting in September, a "Central Built Temporary Exhibition Hall" will open in a corner of the Chiba Factory in Yachiyo City, Chiba Prefecture! You can experience our products firsthand. If you are considering a purchase or are involved in rental sales and are looking to propose on-site, please come visit us. For more details, please check the related materials. <Date> September 16 (Friday) (Reservation required) 1:00 PM and 3:00 PM (Two sessions) *Future events are scheduled to be held on the first and third Fridays of every month (announcements will be made as dates are confirmed). <Exhibited Products> - Sky Wedge Albatross (Wedge-locked scaffolding) - Multi Truss A & B (Truss materials for large spans) - Alcolumn (Aluminum column formwork fastening hardware) - Aluminum step guard (Handrail frame for stair openings) - Various skirting boards - ID-15 (Frame tower) - Lightweight square posts (Unit-type support) - Sky Fence (Protection frame), etc. To make a reservation, please fill in your "Company Name," "Name," "Number of People," and "Preferred Time" using the inquiry button, or contact us by phone. *Pressing the application button will take you to the inquiry screen. *Please note that we may not be able to accommodate your request depending on the reservation status. Thank you for your understanding.

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Company information

中央ビルト工業

中央ビルト工業

Manufacturing and processing contract

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Chuo Built Industry Co., Ltd. is a leading company in the manufacturing of temporary scaffolding. With a history of over 70 years since its establishment, it is a long-established manufacturer that was the first in Japan to begin the production of steel scaffolding. In line with the development and reform of construction methods, we constantly pursue safety and security on site, providing technologies and products that align with these goals. Our products have been adopted in a wide range of sites, from local general contractors to major general contractors. We handle everything from manufacturing to sales and rental of scaffolding, which is one of our strengths in being able to offer products and services that meet our customers' needs. We have branches and equipment centers across the country to respond to various customer requests. ◆Main Products Frame scaffolding, next-generation scaffolding, support structures, system products ◆Currently Serializing - Scaffolding Column We provide accurate knowledge and information about scaffolding, contributing to safety and efficiency in construction sites. - Construction Industry News Get the latest information about the construction industry in just one minute!

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