water used for mixing: add approx. 30% of water on a part of ISOLFUGA ELASTIC pot life: ≈ 2 hours consumption: (it varies depending on the size of the grout and of the tile) in kg/m²: 1,6 x f x [(l+L)/(lxL)] x s [f: grout width (mm) | l: tile width (mm) | L: tile length (mm) | s: tile thickness (mm)] waiting time for cleaning the joints: ≈ 2 hours ready to use: 7 days color: coloured flexural strength (28 days): ≥ 5 N/mm² compressive strength (28 days): ≥ 15 N/mm²