Johnsonite cove base adhesive is specially formulated to be used to install Johnsonite brand rubber and vinyl cove base and more. This acrylic water-based vinyl baseboard adhesive should be used when installing wall base on porous surfaces, such as drywall. When installing cove base with the Johnsonite 960 wall base adhesive, surfaces must be smooth, flat, dry and free of dust and paint. Prior to use, cove base adhesive must be site conditioned at room temperature for a minimum of 48 hours prior to using.