abstract |
A self-levelling fluid mortar including calcium sulphate, aggregates, lime, water and either a silica and an alumina-containing compound, or a pozzolana, as well as a screed prepared from said fluid mortar, are disclosed. The combined use of lime and either a silica and an alumina-containing compound, or a pozzolana, for increasing the mechanical strength of a screed and reducing its water sensitivity, is also disclosed. |