Unilock ALLIANCE GATOR DUST BOND in Slate Grey is a polymeric jointing compound engineered for permeable paving applications. This 50 lb bag fills joints between pavers, creating a solid, dust-free surface that resists weed growth and insect infiltration. The slate grey color complements a wide range of hardscape designs while maintaining aesthetic consistency. Simply sweep into joints, mist with water, and allow to cure for a professional, long-lasting installation. Ideal for driveways, patios, and walkways where durability and appearance matter.