Lock Your Pavers Permanently with Charles Watson Kiln Dried Paving Sand A beautifully laid patio or driveway can quickly turn into an eyesore when weeds sprout between the slabs, ants build nests in the joints, or rain washes the sand away. The solution lies in a specially engineered material: Charles Watson Kiln Dried Paving Sand. Unlike ordinary building sand that retains moisture and shifts over time, this fine-grain product is baked in high-temperature...