A ready to use, fine grade interior smoothing and filling compound for repairing cracks, fine nicks and shallow depressions in walls and ceilings. Once cured, it forms a tough, durable repair that can be sanded and painted over with oil and water-based paint. Sets in 30 minutes.Fills up to 3mm per layer.Easy to overpaint.Low odour.Water based.Flexible when drying.