S21 Chair Black

The classic Galvanitas S21 is the stackable version of the S16 chair. Both seats have the same design, however, the S21 can be stacked and some minor adjustments have been made. Just like the S16 and S19, this chair also has a sleek, minimalistic design and an industrial look. The typical compass legs can also be found in this design. Just as solid, user-friendly and durable as the S16 and super practical thanks to the stackable frame. Stylish, practical and resistant to impact, that is the Galvanitas S21 chair.

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Available on backorder


A chair made for intensive use

The Galvanitas S21 chair is the stackable version of the S16 chair. Like the S16, the S21 chair was designed and produced by Galvanitas in Oosterhout in the late 1950s and early 1960s. Originally this chair was widely used in churches and dining rooms and was intended for intensive use in public buildings. Stackability was a condition for practical use. The re-issue is based on the original design. The only difference with the past is that this new variant is narrower than the original. Wim Rietveld, one of the pioneers in the field of industrial design in the Netherlands, described the piece of furniture as functional: “well-formed, sturdy, usable and inexpensive”. The S21 from Galvanitas is really a classic.



The S21 has the same typical compass legs as the S16. In addition to the S21 being stackable, there is another difference between the S21 and S16; The S21 is wider than the S16. The frame of the S21 is made of folded sheet steel, which makes the chair incredibly sturdy. Nowadays the frame is welded instead of soldered, this benefits the environment. In addition, the frame is narrower than the original design. Rubber bumpers under the seat protect the chair against damage when stacked. The seat and the backrest, produced in West-Germanlad, are the model of German “grünlichkeit”. “Top-quality” translated.


Dutch industrial design at its best

The S21 became a popular style icon of the emerging industrial Dutch style. The minimalist design and the industrial look make the chair extremely popular nowadays. The S21 from Galvanitas is without a doubt a classic and super practical thanks to its stackable frame. The chair is perfect for the hospitality industry and is very suitable for business purposes. The S21, for example, is extremely suitable for use in a bar or restaurant but is certainly not out of place in a private interior. The Galvanitas S21 chair is simply said Dutch industrial design at its best.


Galvanitas 21 like back in the day, in the colours of today

De Machinekamer offers you, in collaboration with Galvanitas, the unique opportunity to order brand-new S21 seats. Furniture made with the original product moulds. The newly produced parts are all identical to and interchangeable with the original. The frame and the seat are available in the same contemporary colours as the S16. That way you give your own twist to this famous classic.

Additional information

Weight 8 kg

Chair, Dining room chair, Restaurant chair, Canteen chair, School chair


Frame made of folded sheet steel. Seat and backrest made of synthetic resin plywood wood.


2 years


Welded frame. Seat and backrest are mounted with a classic bolt connection.


Fully assembled


Height: 78 cm
Width: 50,5 cm
Depth: 50,5 cm
Seat height: 45 cm
Seat depth: 42 cm