Halki is a small island west of Rhodes island. It is the smallest inhabited island of the Dodecanese. The Knights of the Order of St. John of Rhodes built the castle in its most recent form in the late 15th century.
We supplied pozzolan for the fastening of the castle, volcanic land, natural hydraulic lime CHAUX BLANCHE NHL 3,5, white cement Aalborg Denmark, ceramic mosaic and properly graded aggregates.