Poly Sand: Polymeric sand is a unique mixture of fine sands combined with other additives (polymers), that, when mixed with water, form a surprisingly strong binding agent that locks the sand particles together filling the joints between pavers, & stone pavers. Techniseal products are available at our North Carolina, South Carolina & Georgia facilities, and Alliance Gator products are inventoried at our Virginia and Bridgewater, NJ facilities. Please check for available inventory with our local Stone Center.