Adell chair by Arper in an Indian office reception

Three bases under the same Adell shell: steel, sled and oak

Arper

Altherr Désile Park

The shell of Adell stays the same; what changes is what carries it. The catalogue lists three bases: four legs in painted steel, a sled in powder-coated steel, and four legs in plywood with a reconstituted natural or dyed oak finish. Three materials, three characters — and, in a large Indian project, three rooms served by one purchase decision.

Steel legs suit a busy reception, the sled suits rooms where chairs are pushed back and lined up again, the oak base suits a director's anteroom or a residential interior. The shell is 80% post-industrial recycled polypropylene and is declared for indoor and outdoor use, with EN 16139 cited for non-domestic seating. Design by Lievore + Altherr Désile Park, 2020, supplied in India by La Mercanti with drawings at planning stage.

Technical information based on data declared by the manufacturer.

Collection: Adell
Manufacturer: Arper
Design: Lievore + Altherr Désile Park, 2020
Base 1: four legs in painted steel
Base 2: glider legs in powder-coated steel
Base 3: four legs in plywood with reconstituted natural or dyed oak finish
Shell: 80% post-industrial recycled polypropylene
Configurations: bare shell; with seat cushion; upholstered with non-removable cover; removable seat cushion or front cover indoor/outdoor
Declared use: indoor and outdoor
Intended use: EN 16139, levels L1 general and L2 severe

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FAQ

Which base suits heavy traffic?
Painted steel legs and the powder-coated steel sled are the two metal options, and both are built for the kind of use the cited standard describes for non-domestic seating. Which one to use depends on how the chairs are handled: sleds slide back into line, four legs are easier to place at angles.
What is a reconstituted oak finish?
It is the finish applied to the plywood base, available in natural or dyed versions. The manufacturer lists it as a distinct base rather than as an option on the steel one.
Can the wooden base go outside?
The chair is declared for indoor and outdoor use, but wood and steel have different care instructions, and the outdoor guidance in the documentation is specific. The base to use outside should be confirmed with the manufacturer for the project in question.
Does the shell change with the base?
No. The shell is the same 80% post-industrial recycled polypropylene across the range, which is what keeps a project coherent when different rooms get different bases.
Where else can the chair be used?
EN 16139's general level covers offices, showrooms, public halls, restaurants, canteens, banks and bars, and the manufacturer adds outdoor use.

How to choose a base for a visitor chair

Five steps once the shell has already been decided.

Watch how chairs are handled
Pushed back into line suits a sled; moved around suits four legs.
Match the material to the floor
Steel and wood behave differently on stone, carpet and outdoor paving.
Decide the room's register
Oak reads warmer; painted steel reads more neutral.
Keep the shell constant
One shell across the project holds the whole floor together.
Ask for the finishes
La Mercanti provides base finishes and documentation before the order.

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