Sheetrock 3.5 Gal. Pail Pre-Mixed Lightweight All-Purpose Dust Control Drywall Joint CompoundLightweight all purpose joint compound with dust control is a ready mixed compound with a patented formula that binds up fine residue during sanding to form heavier particles that tend to fall to the floor instead of clouding the air. Weighs up to 35% less than conventional compounds so handling, application, and sanding are simple, easy, and fast. Requires only 2 coats over metal, such as corner beads and fasteners. It bonds like a taping product for