Choose durable- high-quality paints for any project. BMA Water repellent impregnator is a colorless protective coat against rain for concrete structures- facing bricks- cementitious renders- cellular cement etc. ?It is ideal for impregnating all absorbent mineral materials used in building. Applied to a porous surface- BMA-WRW penetrates deeply and reacts with natural humidity to form a waterrepellent layer inside pores. It is able to form a barrier against aggressive agents present in the atmosphere- that are carried into the surface by rainwater.