gypsum mortar

gypsum mortar

A plastic mixture of gypsum, water, and often sand; can be troweled in the plastic state; hardens in place when the water it contains evaporates.
References in periodicals archive ?
The Use of Gypsum Mortar in Historic Buildings," Structural Repair and Maintenance of Historic Buildings, II, ed C.
The ancient Egyptian workers had sealed off the chamber with a gypsum mortar that protected the wood from water, oxygen and bacteria--the principal elements of decay.
The gypsum mortar used by the ancient Egyptians to seal both chambers is a crack-filling agent that expands when wet, says Rogers.
Evidence of monumental ashlar walls has also been revealed in a series of gypsum mortar setting beds for large stone blocks.
Extensive evidence for monumental ashlar walls was revealed in a series of gypsum mortar setting beds for large stone blocks, most likely robbed out during the Early Byzantine period (6th - 7th century A.
Extensive evidence for monumental ashlar walls was revealed in a series of gypsum mortar setting beds for large stone blocks, most likely robbed out during the Early Byzantine period (6th-7th century AD) for construction of the Christian basilicas across the way at Agios Georgios, the Antiquities Department said.