Contains A Cellulose Derivative; Which Improves Cohesive Strength And Promotes Adhesion To Ceiling Boards; Plaster; Lime; Cement And Wood. Used As A Skimming Agent For The Smoothing Of Irregular Wall Surfaces. Less Tendency To Show Through After Painting. Not Suitable For Repairing Of Structural Faults (Foundation Movements). Not Suitable For Repairing Cracks On Flexible Surfaces.