The seismic-resistant windows for the life I wanted! They can be used partially, the installation is clear, and they can be used not only for new construction but also for renovation work.
The "J-Seismic Opening Frame" is a seismic window that was born from the application of the mechanical idea that "the frame bears only horizontal forces without bearing vertical forces." Since it is not restricted by construction methods, it can be used partially, and the installation is straightforward, making it suitable not only for new constructions but also for renovation projects. Additionally, it has received numerous awards, and its performance is widely recognized. It is a dream frame that satisfies both "user wishes" and "building codes," evolving wooden houses. 【Features】 ■ Can be installed inside existing columns and beams, regardless of construction method ■ Can be treated similarly to structural plywood and bracing ■ The cross-section of the components remains constant even if the span changes ■ Can be installed on standard foundations *For more details, please refer to the PDF materials or feel free to contact us.
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【Other Features】 ■ Partial use is possible as it is not limited by construction methods ■ Clear installation ■ Usable not only for new construction but also for renovation work ■ Has won numerous awards, and its performance is widely recognized *For more details, please refer to the PDF document or feel free to contact us.
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Company information
We are a manufacturer of construction hardware that firmly protects the "wooden houses" loved by the Japanese from earthquakes. We were the first in Japan to promote the Kuretec hardware method, making traditional wooden frame construction even more robust. Additionally, we boast the highest production volume in Japan for reinforcing hardware (Z-mark, C-mark) traditionally used in wooden house construction. Furthermore, our precut business for structural frames using the latest equipment is set to expand throughout the entire eastern Japan in the future. We have group companies in Tochigi Prefecture and Chiba Prefecture in Japan, as well as in China and Guam overseas, aiming for future development into a global company.
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