Opus emplectum is an advanced Roman construction technique. Each side of a wall is constructed with finished stone blocks, leaving a substantial void between them. The void is filled with a mixture of broken stones mixed with mortar.[1] A good example of this technique are the ruins of the Romanesque tower in Strzelno.

The example of opus emplectum - 2nd romanesque church in Wiślica - Regional Museum in Wiślica

References

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  1. ^ Starnawska, Maria (January 2014). Regionalität und Transfergeschichte: Ritterordenskommenden der Templer und Johanniter im nordöstlichen Deutschland und in Polen. p. 443. ISBN 9783867321402.