CGC Synko® Lite Line™ Compound (Lt. Blue Box) Coverage: For joint finishing, the 17 L box covers approx. 450 ft.2 (42 m2) of gypsum panels. Application: For applying paper joint tape and paper-faced corner bead, filling (2nd coat), finishing (3rd coat), and simple textures. Synko® Lite Line™ All Purpose Compound (Mud) is the most versatile, all stage, compound with its lighter weight, easier application/sanding and minimal shrinkage (minimizing coats over corner bead). Data Sheet