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  6. Diamond blade for residential foundations

Diamond blade for residential foundations

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last updated:Jan 22, 2026

コーリョー建販 本社
コーリョー建販 本社
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We have obtained BCJ certification for the first time as a pre-made sleeve for residential foundation single reinforcement!

The residential foundation diamond reinforcement is a perforated reinforcement bar designed to strengthen the area around the holes in the foundation beams with single reinforcement, used in strip foundations and slab foundations for wooden (traditional frame construction and panel wall construction) and steel (lightweight steel frame) houses up to three stories. No reinforcement calculations are necessary, and it can also be applied to foundations for stores and other structures. It adopts a slim processed welding method called "KS-F welding," which allows for safe construction and features a shape without overlaps, making it ideal for single reinforcement. It is the first prefabricated sleeve reinforcement bar for residential foundation single reinforcement to obtain BCJ certification (General Incorporated Foundation Japan Building Center BCJ Certification - LC0150-01).

    Special function opening
住宅基礎用ダイヤレンD10.png

Diamond blade for residential foundations

住宅基礎用ダイヤレンD10.png
住宅基礎用ダイヤレンD10.png

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- No reinforcement calculations needed! Just attach one piece at one location. - Ensures quality with safe and reliable construction! - Ideal overlap-free shape for single rebar. - Adopts slim processed welding "KS-F welding" (patented) for safe construction! - Applicable to foundations of stores and other facilities! ● For more details, please contact us or refer to the catalog.

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Diamond for residential foundation use

Diamond for residential foundation use

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コーリョー建販

コーリョー建販 本社

Building materials, supplies and fixtures manufacturers

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Thorough quality control from material acceptance inspection to product shipment inspection, following the manufacturing procedure manual certified by the Japan Architecture Center. Low prices achieved by eliminating waste of materials and time with the latest fully automated machinery. Quick and flexible service, from calculating the shear strength of beams to calculating the reinforcement bars for hollow beams. (Free)

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