what type of sand to use for pavers
Best Paver Joint Sand. Polymeric sand is very effective at stabilizing pavers over time, and Flexlock is highly recommended. Flexlock polymeric sand is a type of paver joint sand containing additives that bond the paver joints when exposed to water. Although there are other brands of paver joint sand available, Flexlock uses water to create a strong bond suitable for use with new pavers or to repair a deteriorating project. Flexlock sand is engineered with polymers and colorant. When applied to the joints of your pavers, it will harden.