40lb Bag of Polymeric Sand

Joint locking material used in place of regular sand to stabilize pavers, stone or blocks. Made from a mixture of sand and special additives, it is designed to harden with moisture. Once hardened, it will resist joint wash-out, lock in paver sand and reduce weed growth; Sweep-in mixture designed to harden and lock joint sand into place; Perfect for driveways, patios, walkways or any area with pavers; Reduces weed growth; Resists joint wash-out and insect penetration; Open to foot traffic in 24 hours and light vehicular traffic in 72 hours;