“…Fig. 20 summarizes the main findings from the experimental campaign in relation to durability and manufacturing techniques.To contextualize the mortars, Table6allows a comparison among the main physical properties of the analysed materials and Roman mortars from water-related and/or coetaneous buildings analysed in recent research works during the last 10 years[5,9,11,15,54,57,17,[57][58][59][60][61][62][63].In the reviewed works, the real density values are quite similar among them, ranging from 2.37 to 2.74 g/cm 3 (only a higher value was…”