Fasto Fix Gp2 is supplied as a ready to use powder. The addition of a controlled amount of clean water produces a free flowing. non shrink grout for gap thicknesses up to 100 nm Fasto Fix Gp2 is blend of Portland cement, graded fillers and chemical additives which impart controlled expansion in the plastic state whilst minimizing water demand. The low water demand ensures high early strength. The graded filler is designed to assist uniform mixing and produce a consistent grout.