Bostik Mortar Plasticiser improves the workability of mortar without the addition of lime. It helps reduce grittiness to provide a smooth mortar with improved durability and protection against frost. It also reduces the water content of the mortar.

Containing a blend of modified, lignin-based surface-active agents that are free from chlorides, Bostik Mortar Plasticiser can be used in a range of applications, such as bricklaying, blockwork and rendering.