Opus mixtum

Opus mixtum (Latin: "mixed work"), or opus vagecum and opus compositum, was an ancient Roman construction technique. It can consist in a mix of opus reticulatum and at the angles and the sides of opus latericium.

Example of opus mixtum comprising opus reticulatum edged with opus latericium in the Roman theatre, Naples, Italy.
Example of Opus mixtum in the substruction of Brest Castle, France.

It can also consist of opus vittatum and opus testaceum.

Opus mixtum was used in particular during the age of Emperor Hadrian (2nd century AD).

See alsoEdit

  • Opus caementicium – Building material used in ancient Rome
  • Opus incertum – Ancient Roman masonry using irregular stones in a core of concrete
  • Opus quadratum – Roman masonry using parallel courses of squared stone of the same height
  • Opus reticulatum – Roman masonry in diamond-shaped bricks of tuff, covering a core of opus caementicium