This lightweight compound weighs up to 30 percent less than conventional compounds so handling, application and sanding are simple. With USG Sheetrock brand dust control joint compound, fine dust particles bind during sanding to form heavier particles that drop to the floor instead of clouding the air. USG Sheetrock brand dust control joint compound produces less airborne sanding dust than other low airborne dust compounds. Unique formula binds up fine residue during sanding to form heavier particles that tend to fall to the floor instead of clouding the airRequires only two coats over bead and fastenersBonds like a taping product for a tough, tight bond under most job conditionsConvenience with optimum taping and topping performanceAvailable in 1 quart patch and repair tub, 3.5 quart pail, 3.5 gallon pail, 3.5 gallon carton