High-strength wall columns that achieve a maximum wall ratio of 29 times, designed for narrow sites and large openings.

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last updated：Jun 03, 2026

Widely adopted for non-residential and medium to large-scale wooden buildings! The high-strength wall column 'Kabe Musou 450' dramatically enhances the design flexibility of wooden architecture. *Awarded the Good Design Award!

The Wall Musou 450 is a high-strength wall column with a width of 450mm that integrates pillars and shear walls, achieving an industry-leading maximum wall multiplier of 29 times. It enables the "ensuring of seismic performance in narrow sites" and the "creation of large open spaces," which were difficult with conventional methods. It has obtained certification from the Japan Architectural Center, and is widely adopted in various applications from residential to non-residential and medium to large-scale wooden buildings. Furthermore, it is highly regarded for balancing performance and aesthetic appeal. Q: Do you have any of the following challenges? - Insufficient shear walls in narrow residential areas... - Wanting to secure large openings in stores or offices... - Wanting to reduce wall volume while improving seismic performance... - Wanting to enhance design flexibility in wooden construction... - Wanting to streamline construction processes... - Wanting to create beautiful wooden spaces without visible hardware... The Wall Musou 450 is a next-generation high-multiplication shear wall that solves these challenges.

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**Features of Wall Musou 450** ■ High strength with a maximum wall ratio of 29 times Achieves a wall ratio of 22 times for the 120×450 type and 29 times for the 150×450 type. Reduces the required wall volume due to high seismic performance, enhancing the design flexibility of buildings. ■ Creates spacious areas even on narrow sites Secures significant strength with just a 450mm width, making it suitable for ensuring frontages in narrow houses and for large opening designs in stores, commercial facilities, and roadside shops. ■ Easy construction with only nut tightening Delivers finished products with joint hardware assembly and adhesive injection completed at the factory. On-site construction is possible with just nut tightening at the column base and column head, contributing to stabilized construction quality and reduced construction time. ■ Beautiful wooden spaces with hidden hardware Utilizes GIR (Glue-In-Rod) technology to conceal joint hardware within the wood, ensuring that no hardware is exposed indoors and creating a high-design space that leverages the texture of wood. ■ Supports heights up to 6m Can accommodate floor heights of up to 6m. By utilizing it as a continuous wall, it flexibly responds to medium to large wooden buildings and special design conditions. ■ High reliability with certification obtained Certified by the Japan Building Center, it can be designed to meet seismic grades 2 and 3, and is also applicable for long-term excellent housing.

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Applications/Examples of results

【Case Introduction】 - High-strength wall columns that achieve large spaces not possible with conventional methods - A 450mm slim load-bearing wall that realizes wide openings - Use of exposed wood to create warmth and aesthetic appeal - High-strength wall columns reduce wall width, securing openings in narrow sites - Parent-child fillers absorb anchor misalignment, allowing for simple construction with only nut tightening - Combining performance, constructability, and design, awarded the Good Design Award