It Contains Additives; Which Improve Both Water Resistance And Workability. Has Been Specially Formulated To Provide Low Shrinkage Characteristics Over A Wide Gap Width Range. Once Dry It May Be Sanded And Painted Over To Achieve The Desired Finish. Suitable For Interior And Exterior Applications. Not Suitable For Repairing Structural Faults (Foundation Movement). Not Suitable For Repairing Cracks On Flexible Surfaces.