Factory-mixed, trass and lime based dry mortar made of cementitious raw materials. Highly sulphate resistant. For masonry work joints from 10 - 30 mm. Time-tested binder, very little tendency to form efflorescence, good adhesion to the sides of joints. For new joints and for repairing mortar joints in facades, especially facades made of brick and natural stone masonry work. We recommend setting up a trial surface.