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Opus Signinum

Opus Signinum,  a very old floor covering

Opus signinum (‘cocciopesto’ in modern Italian) is a mortar made of tiles broken up into very small pieces, mixed with mortar, and then beaten down with a rammer. This very resilient and waterproof floor covering has been used since at least the 7th century BC. The first example was documented in Lebanon.

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Medium mortar

The Old Romans named it Opus Signinum

Pliny the Elder in his Natural History describes its manufacture: “Even broken pottery has been utilized; it being found that, beaten to powder, and tempered with lime, it becomes more solid and durable than other substances of a similar nature; forming the cement known as the “Signine” composition, so extensively employed for even making the pavements of houses.”

History - Signinum

Coarse Opus Signinum mortar

From Functional to Decorative

People have been using stones to draw designs on grounds for millenia.

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Stone Labyrinth – Finland

From the beginning people decorated their mortar floors with stones of different colors. They would usually lay them in geometric patterns.

Opus signinum, Roman Villa in Claterna, Italy

Roman town of Claterna, Ozzano dell’Emilia, Italy

The oldest known ancestor of Emperor Trajan

At the Archaeological Museum of Sevilla, Spain, a good size pavement bears mention of the oldest relative known to us of Emperor Trajan.

Opuus Signinum, Archaeological Museum of Sevilla, Spain

Archaeological Museum of Sevilla, Spain

Opus Sniginum, Sevilla Archeological museum, detail

Sevilla Archeological museum, detail

Trajan, like his successor Hadrian, was born in Italica, right beside the modern Sevilla.

The latin inscription reads :

M(arcus) TRAHYUS C(aii) F(ilius) PR(aefectus) AP[ollini,templum ?] /

DE STIPE EDEM(que) CAVL[as d(e) s(ua) p(ecunia) f(acienda) c(uravit ?]

and translates n English as:

Marcus Trayus, son of Gaius, prefect, saw to it that a temple to Apollo

was erected by public subscription, as well as the corresponding gates at his expense.

Meanwhile, in Southern Gallic UCETIA

In 2017, many structures belonging to the ancient UCETIA were discovered in Uzes, France. The floors of a 1st century Villa were decorated in both Opus Tessellatum and Signinum.

One of these floors decorated with swastika and dolphins was laid on a WHITE mortar. This is worth noting as Opus Signinum is usually of a reddish color.

Opus signinum floor, Svastika & Dolphins, Uzes, France

Ucetia Roman Villa

detail of the opus signinum svastiska and dolphins mosaic, Ucetia - Uzes, France

detail of the above mosaic

Only the border of a second floor was preserved.

Croisettes made of white and black tesserae adorning an antique floor opus signinum discovered in Uzès (

Opus signinum border Ucetia – Uzes, France

Tradition goes on.

Opus Signinum never stopped being used in construction. Modern companies such as SIGNINUM keep the tradition alive

Modern floor realized in Opus Signinum by the Company SIGNINUM from Barcelona

Modern Opus Signinum

 

And if you would like to give it a try, you can purchase from firms like Natural pigments  or Frescoshop  “Cocciopesto” (crushed or pulverized clay tiles) to mix your own Signine.

cocciopesto for opus signinum

https://frescoshop.com/wp-content/uploads/2020/02/bag-of-brick-meal-medium-324x324.jpg

 

Let me know how it goes.

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