Exceptional time tested performance. The ONLY No-Haze sand used by contractors for over 18 years. For joints from 1/8? to 4? wide. No dyes or pigments means no fading. Will not change the original aspect of your stone or pavers. Appropriate for all the types of concrete pavers and natural stone*. More flexible movement than with conventional joint fillers (mortar or cement). Safe to use near swimming pools. Ideal for pedestrian or high vehicular traffic applications. Works for flat or sloped surface installations -stays in joints with minimal wash-out. Formulated specifically to resist temperature variations freeze/thaw cycles (superior to cement or mortar products). Resistant to ice melters, rock salt and acids cleaners. Fast setting and drying time. Minimum temperature for installation 0?C (32?F) means you can install early spring and late fall. Helps prevent weed growth and ant hills. Can be used indoor (minimum required depth for the joints : 0.75?)