With the knowledge and skills that YOKOMORI has accumulated over more than 70 years, we will create attractive stairs for residential use together with our customers.
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.
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basic information
【Series Lineup】 ◎ TH Series: Simple standard stairs that harmonize with various spaces ◎ EX Series: High-grade stairs with unique technology from the brand ◎ R Series: Spiral stairs that create a distinctive space ◎ TRS Series: Assembled stairs with truss structure ◎ SGC Series: Two-beam stairs with square pipes ◎ Custom Orders: Fully customized stairs to meet each customer's individual requests *For more details, please download the catalog or contact us. Our official website also features numerous examples of completed projects. 【Nationwide Support】 ◎ Hokkaido, Tohoku, Kanto Area 151-0073 Tokyo, Shibuya-ku, Sasazuka 1-47-1 Melkmal Keio Sasazuka 7th Floor (Head Office) 03-3460-9229 ◎ Chubu Area 480-1165 Aichi Prefecture, Nagakute City, Kamoda 102 0561-63-9510 ◎ Kinki Area 553-0005 Osaka Prefecture, Osaka City, Fukushima-ku, Noda 5-17-22 Daitaku Building 2F 06-4804-9031 ◎ Chugoku, Shikoku, Kyushu Area 809-0002 Fukuoka Prefecture, Nakama City, Nakazoko 1164-34 093-244-0027 *Depending on the region, we may only be able to provide materials.
Price information
The TH series is an affordable and versatile product. Please feel free to contact us as we will review the drawings and provide a quote.
Delivery Time
※The estimated time is 3 to 4 months after placing your order. Please contact us.
Applications/Examples of results
Residential (new construction and renovation), maisonette, store Used by house manufacturers and construction companies nationwide.
Detailed information
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THJ Lower 3-step curved staircase Flat bar + reinforced glass handrail
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THU Intermediate 4-step return staircase Flat bar + acrylic panel handrail
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EXS High-Grade Straight Staircase Flat Bar + Round Steel Handrail
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TRS Truss Structure Straight Stairs with Square Pipe Handrail
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SGS Double Beam Straight Staircase Flat Bar + Round Steel Handrail
catalog（1）
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Company information
Since its founding in 1951, "Staircase YOKOMORI" has been involved in various staircases both domestically and internationally. YOKOMORI's staircases are used in many famous buildings such as the "Tokyo Skytree," "Roppongi Hills," and "Abeno Harukas." With experience and achievements that have been adopted in about 80% of Japan's skyscrapers, we respond to our customers' requests. We provide precise dimensions that fit perfectly into any building, technical skills that realize the designer's intent, beautifully streamlined production lines, and a commitment to safety and quality. Our mission as "Staircase Makers" is to deliver products that are "reliable" and "safe" for both users and creators. The knowledge and technology we have accumulated over more than 70 years have been adapted into the "Sistair," a visually appealing steel staircase for residential use. We create customized staircases with the ease of standard products and the flexibility of made-to-order designs, working together with our customers.