For use, it must be diluted with Water, and then it turns into a pasty putty. Of Course, there Other Mixtures that can be used to align the Walls, For Example, A MIXTURE OF KNAUF Her. But The Mixtures of this Company Are Distinguid from Vetonites with Better Elasticity, and They ARE MORE COMFORTABLE to work. Putty Consumption Depends on the Curvature of the Walls.