Dust Control Compound Dust Control Compound Sheetrock brand Plus 3 lightweight all purpose joint compound with dust control is a ready-mixed compound. with a unique formula that binds up fine residue during sanding to form heavier particles that tend to fall to the floor instead of clouding the air This advanced joint compound weighs up to 35% less than conventional compounds so handling, application and sanding are simple, easy and fast. Each job goes more quickly and cleans up faster with less nuisance from airborne sanding dust. Plus 3 joint compound with dust control requires only two coats over metal, such as corner beads and fasteners. It bonds like a taping product for a tough, tight bond under most job conditions and combines all-purpose, single-package convenience with optimum taping and topping performance. Plus 3 joint compound with dust control is compatible with all other USG joint compounds so it can be used just for the joint finishing coats that will be sanded. For example, use Sheetrock all purpose joint compound for the taping coat and Plus 3 joint compound with dust control for the finishing coats.