A simple standard series that harmonizes with any space.
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.
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basic information
【TH Series】 ● THS Straight Staircase A simple and standard straight staircase that represents the Sithea series. ● THL L-shaped Staircase with Landing Includes an intermediate stage, creating a spacious living area. ● THJ Downward Curved Staircase A frequently designed downward three-step curve. Effectively utilizes the open space. ● THU Return Staircase A rare return staircase that achieves a smart design with space-saving and an open feel. ◎ You can view specifications and details by downloading the catalog. If you are interested, please download the catalog to take a look.
Price information
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Delivery Time
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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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THU Return Staircase Flat Bar + Acrylic Panel Handrail
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THJ Downward Curved Staircase Flat Bar + Reinforced Glass Handrail
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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.