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  6. Improving Productivity on Construction Sites: Achieving Safe and Efficient Work with System Formwork!

Improving Productivity on Construction Sites: Achieving Safe and Efficient Work with System Formwork!

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DUO (resin formwork) ・GRIDFLEX (aluminum slab formwork)

last updated:Jun 02, 2026

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For concrete, use the system formwork DUO (NETIS registered) for walls! GRIDFLEX for slabs!

<Duo> Achieves lightweight design with a formwork that integrates vertical and horizontal edges. It is a new resin-based system formwork for concrete. Made from the newly developed material Polytech, it is high-strength and lightweight. With fewer components, it is easy to handle. The assembly method is straightforward and does not require tools, allowing for efficient work even for those with limited experience in formwork operations, thus improving work speed on site. [Features] ■ Universal specifications ■ Ergonomically designed shape ■ Easy panel replacement <Gridflex> An aluminum slab formwork that features simple assembly procedures and fewer components! It allows for adjustments in both vertical and horizontal directions with its telescopic panels. This standardized slab formwork offers high flexibility, improving labor productivity and ensuring high safety. Panels are hooked from below and pushed up into place with a shuttering aid. Once the Gridflex panels are laid down, the installation of formwork plywood can be carried out safely. [Features] ■ Speed ■ Adaptability ■ Safety ■ Simple assembly ■ Plywood can be freely selected *For more details, please request materials or view the PDF data available for download.

    Formwork material
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Improving Productivity on Construction Sites: Achieving Safe and Efficient Work with System Formwork!

main photo5.png
main photo5.png DUO1.JPG DUO Wall_back_rd_hr.jpg 20180421_103044.jpg MO-12-04451 GRIDFLEX_Front_bearbeitet.jpg PERI_Logo_woR_RGB_30x15mm_300dpi_Office_User_digital_no_paper.jpg
  • Perry Japan Co., Ltd.
  • Special site - Product/service details - https://pr.www.ipros.com/perijapan/product/

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basic information

<DUO> [Main Components] ■ "Panel" with integrated faceplate and stringers ■ Panel connecting component "Coupler" Both are made of Polytech. Additionally, it was registered with NETIS on April 20, 2023. <NETIS Registration Number: KT-230004-A> <GRIDFLEX> [Main Components] ■ Prop and Prop Head GFH ■ Standard Panel GFP ■ Formwork Plywood We provide technical support using dedicated CAD data when making proposals. For more details, please refer to the catalog or feel free to contact us.

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Applications/Examples of results

For specific examples, please refer to the related video on YouTube. At Perry Japan, we conduct tours of our system formwork product exhibition hall, study sessions on system formwork, assembly experiences, and product seminars based on the concept of "Listen, See, Touch/Ride, Assemble" at our Ibaraki stockyard, tailored to our customers' requests. *For more details, please refer to our catalog or feel free to contact us.

Detailed information

  • A01_Iejima.jpg

    (Project Introduction) "New Construction of a Paid Nursing Home in Ie Island" In the construction of a nursing home on Ie Island, Okinawa, our lightweight resin formwork (DUO) and aluminum slab formwork (GRIDFLEX) were used.

  • A02_Iejima.jpg

    RC 1-story building Building area: 1,364 square meters Total floor area: 1,359 square meters Formwork construction area: Foundation part approximately 1,500 square meters, above ground floor: approximately 3,500 square meters (total: approximately 5,000 square meters)

  • A03_Iejima.jpg

    The needs on site were mainly identified as the following three points: reduction in the number of materials, reduction in the number of workers, and a higher productivity rate. To address these issues, Perry Japan proposed the lightweight resin formwork system (DUO) and the aluminum slab formwork (GRIDFLEX), which were newly introduced to the Japanese market in 2019. These solutions contributed to reducing the number of materials, shortening work time, and increasing labor efficiency.

  • A04_Iejima.jpg

    Customer comment: "The number of formwork components per square meter has been halved, simplifying construction, improving work efficiency, and leading to a reduction in construction time. The amount of wood used has decreased compared to traditional methods, achieving resource conservation. The volume of materials transported to the site has decreased, reducing transportation costs. Additionally, since there is no need for tasks such as compacting steel and nailing, noise has been reduced."

  • PERI_Logo_woR_RGB_30x15mm_300dpi_Office_User_digital_no_paper.jpg

    By using the lightweight resin formwork system (DUO) and the aluminum slab formwork (GRIDFLEX), it is possible to reduce material transportation costs, decrease the number of workers, and eliminate unnecessary expenses through labor-saving measures. For more details, please refer to the catalog or feel free to contact us.

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Lightweight Formwork System 'PERI DUO' [Lightweight and Highly Durable Design!]

Lightweight Formwork System 'PERI DUO' [Lightweight and Highly Durable Design!]

PRODUCT
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Aluminum slab formwork "PERI GRIDFLEX"

Aluminum slab formwork "PERI GRIDFLEX"

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Company Profile: Perry Japan Co., Ltd.

Company Profile: Perry Japan Co., Ltd.

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News about this product(1)

An article about the lightweight resin formwork system 'PERI DUO' has been published in the 'Construction News' (November 7, 2025)!

  • Other・notification

An article about the resin-based lightweight formwork system "PERI DUO" has been published in the "Construction News" (November 7, 2025)! "PERI DUO" is a new system formwork made of resin that can be used for walls. It is made from a newly developed material called "Politec," which is high-strength and lightweight. With fewer components, it is easy to handle. It allows for increased reuse and is an environmentally friendly lightweight formwork that is flexible on the construction site! 【DUO Product Features】 ■ New system formwork made of resin ■ High strength and lightweight ■ Fewer components and easy to handle ■ 100% recyclable *For more details about this product, please feel free to contact us. PERI Japan Co., Ltd.

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Building materials, supplies and fixtures manufacturers

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Perry Japan Co., Ltd. was established in January 2006 as one of PERI's bases in over 60 countries worldwide. Our staff, including sales, technical, and construction instructors, are dedicated to providing various PERI products and services to our customers in Japan. We are actively working to address the numerous challenges our customers face, such as improving safety and quality during concrete placement at construction sites, reducing labor, shortening construction periods, and cutting costs, by providing systematic formwork and shoring solutions. *Please feel free to contact us regarding the applications, technical materials, construction methods, techniques, and examples of PERI products.

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