Gator Nitro Joint Sand is a ready-to-use mixture of calibrated sand and resins which cure when exposed to air, hardening from top to bottom of the joint *. The product can be installed in wet or dry weather, in joints ranging from a minimum 3/16" (5 mm) to a maximum 2" (50 mm) joint width. The minimum joint depth is 1" (25 mm).
* Gator Nitro Joint Sand will harden from top to bottom up to 2 3/8’’ (60 mm).
** Permeable as installed. If not maintained, permeability will be obstructed over time.