Five major quality problems of wet-mixed mortar and their solutions(2)
4 Mortar hollowing problem 1. Constructive hollowing The roughness of the interface agent is insufficient or the plaster layer is loosened due to rubbing and pressing before the mortar is collected. Or the mortar itself has insufficient bonding strength. Cause peeling between the mortar layer and the interface agent layer. 2. Shrinkage empty drum The
