横森製作所 List of Products and Services

YOKOMORI's steel staircases are used in 44 out of 50 of Japan's super high-rise buildings. 'SYSTAIR' is an open staircase for homes provided by YOKOMORI. You can select from a rich lineup of specifications and materials for treads, stringers, and handrails. With custom-made options, you can freely set dimensions such as the number of steps, effective width, and tread surface, allowing for personalized customization. 【Features】 ■ Achieves the dedication of full custom class with the ease of standard products ■ Reliable quality unique to a staircase specialist manufacturer ■ YOKOMORI handles everything from design to construction and maintenance The base of the treads uses steel plates, making it suitable for fire-resistant and quasi-fire-resistant buildings as a steel staircase. It can be assembled on-site, making it usable for renovations. The TH series, which represents SYSTAIR, can accommodate not only simple straight staircases but also complex spiral staircases tailored to the layout with its unique technical capabilities. At the headquarters showroom located in Shibuya, Tokyo, you can check various variations, focusing on the popular TH series and EX series. *For more details, please download the catalog or contact us.

• Spiral staircase
• Loft stairs
• Open staircase

Introducing the TH series of free customizable interior stairs from YOKOMORI, the number one stair manufacturer in Japan. This is a versatile open (skeleton see-through) staircase. It is a simple staircase made up of steel stringers and treads, finished with wooden treads. We offer a staircase that is uniquely yours, with various options for dimensions such as the number of steps and width, as well as a wide range of choices for the shape of the stringers, handrail styles, colors, and more. For more details, please download and view the catalog.

• Open staircase
• Loft stairs
• Other furniture

Why not choose your stairs just like you choose your furniture? The steel interior stairs "Suthea" are custom-made products that can be tailored to your interior preferences and lifestyle from a variety of options. With industry-leading customization capabilities, we produce a staircase that is uniquely yours. Our showroom offers a rich variety of options ranging from standard to high-grade, allowing you to experience the appeal of customization firsthand. Please come and see the actual products for yourself.

• Open staircase
• Loft stairs
• Other furniture

Introducing the R series of free-customized interior stairs from YOKOMORI, the number one staircase manufacturer in Japan. The R series features spiral stairs that create a unique space. You can rely on our expertise as a specialized manufacturer for detailed considerations regarding your plans.

• Open staircase
• Spiral staircase
• Other furniture

Introducing the SG series of free customizable interior stairs from YOKOMORI, the number one stair manufacturer in Japan. These are site-assembled stairs made of steel stringers and treads, finished with wooden treads. We offer a wide variety of options for your unique staircase, including dimensions such as the number of steps and width, as well as various styles and colors for the handrails. For more details, please download and view the catalog.

• Open staircase
• Loft stairs
• Other furniture

Introducing the T-R series of free customizable interior stairs from YOKOMORI, the number one staircase manufacturer in Japan. These are site-assembled stairs made of steel stringers and treads, finished with wooden treads. We offer a wide variety of options for your unique staircase, including dimensions such as the number of steps and width, as well as styles and colors for the handrails. For more details, please download and view the catalog.

• Open staircase
• Loft stairs
• Other furniture