Functionalism vs International Style
Functionalism is the cross-discipline counterpart of International Style — closely allied with the International Style's rational, ornament-free ethos, though more humane and material-sensitive.

Functionalism
A modernist approach holding that a building's form should follow directly from its purpose — prioritizing utility, hygiene, light, and rational planning over decoration.
- Form determined by use and program
- Clean light or white rendered volumes
- Ribbon and corner windows maximizing daylight
- Flat roofs and asymmetrical, use-driven plans
- Absence of applied ornament; humane material detailing
International Style
The austere, functional modernism of glass curtain walls and unornamented volumes — 'form follows function' built in steel and glass.
- Rectilinear, volumetric forms with flat roofs
- Glass curtain walls and ribbon windows
- No applied ornament — 'form follows function'
- Exposed structural grid; steel and reinforced concrete
- Open, flexible floor plans raised on pilotis in some works
At a glance
| Functionalism | International Style | |
|---|---|---|
| Era | 1925–1960 | 1920s–1970s |
| Discipline | Architecture | Architecture |
| Region | Finland, Scandinavia, Central Europe | Germany, Worldwide |
| Family | Modernism | Modernism |
| Formal traits | functional, white, daylit, ornament-free | geometric, minimal, functional, unornamented |
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