International Style vs Streamline Moderne

Streamline Moderne was influenced by International Style — drifted toward functionalist austerity and smooth surfaces.

Seagram Building, New York — International Style

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
Full International Style guide →
Streamline Moderne building — public-domain example

Streamline Moderne

The aerodynamic, late phase of Deco — curved corners, smooth horizontal lines, and a nautical, machine-for-speed look.

  • Rounded, curved corners
  • Long horizontal lines and banding ('speed stripes')
  • Smooth, unornamented stucco surfaces (often white/pastel)
  • Porthole windows and nautical detailing
  • Flat roofs and a sense of aerodynamic motion
Full Streamline Moderne guide →

At a glance

International StyleStreamline Moderne
Era1920s–1970s1930s–1940s
DisciplineArchitectureArchitecture
RegionGermany, WorldwideUnited States, Worldwide
FamilyModernismDeco family, Modernism
Formal traitsgeometric, minimal, functional, unornamentedgeometric, curved, minimal, aerodynamic

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