Seating & benches
21 Chair
Aluminium · Free Standing · L 654 mm × D 647 mm × H 832 mm
Technical details
| Armrest | Left and Right, No |
|---|---|
| Armrest Height | 154 mm |
| Backrest Height | 360 mm |
| Backrest Option | Full Length |
| Country of Origin | United States of America |
| Depth | 647 mm |
| Height | 832 mm |
| Length | 654 mm, 711 mm |
| Material | Aluminium |
| Mounting Options | Free Standing |
| Seat Height | 469 mm |
| Seat Length | 531 mm |
| Weight | 10 kg, 11 kg |
Supplied and installed by 3iS Transport through our specialist supply chain. Finishes, fixings and sizes vary by configuration; ask us for the options on your scheme.
About this product
21 Chair
The 21 Chair is a versatile outdoor seating solution with a 21-inch-wide seat pan and subtly curved aluminium slats, supported by a durable steel tube frame. Available with or without arms, it stacks up to four high, offering functional elegance for parks, patios and transit-friendly urban realms.
The 21 Chair seamlessly merges refined comfort with commercial-grade structure. Crafted with a steel tubular frame and powder-coated die-cast aluminium slats, its 21" wide seat encourages various postures and invites relaxation. The ergonomically curved back and seat slats enhance comfort, while optional arms provide added support. Stackable up to four units for efficient storage or event setups, it is finished with Pangard II® HAPS VOC-compliant polyester powdercoat—engineered for resistance to chipping, peeling and fading. With generous dimensions (approx. 700 × 650 × 830 mm including arms) and weighing around 10–11 kg, the 21 Chair suits plazas, terraces, education campuses, transit interchanges and hospitality environments.
FAQ
Questions about the 21 Chair
What materials are used in the 21 Chair?
It features a tubular steel frame and die-cast aluminium slats with a durable Pangard II® algae-resistant polyester powdercoat, ensuring longevity in outdoor conditions.
Can the 21 Chair be stacked and does it have arms?
Yes—stackable up to four chairs, available in configurations with or without arms to suit accessibility and functional requirements.
What are the key dimensions and weight of the 21 Chair?
The chair offers a 21″ (approx. 530 mm) wide seat pan, 17″ (approx. 430 mm) depth, overall width 700 mm (with arms), height 830 mm, and weighs 10–11 kg.
What finishes are available?
Coated in Pangard II® powdercoat, it resists chip, peel, and UV fade. Custom powdercoat colour combinations are also available.
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Get in touch
Request a quote
If you are a local authority, transport organisation, or public-sector partner looking to deliver or maintain passenger transport infrastructure, our team would be pleased to discuss your requirements.