Mar 14, 2015 Essentially after the walls of the pools are positioned, vermiculite is mixed with Portland cement and then troweled on the “bottom” of the pool in.
Mar 14, 2015 Rocky, dry soils require a thicker base, and we would recommend using a sand and cement pool floor mix for these conditions. In some areas.
Nov 17, 2017 Is vermiculite or grout better for the pool base in a vinyl liner pool? Even when it sets, it doesn't get hard like concrete (or even just grout).