IQ CHEMGROUT GP12 is supplied as a ready to use dry powder. The addition of a controlled amount of clean water produces a free flowing; non-shrink grout for gap thicknesses up to 100mm. IQ CHEMGROUT GP12 is a 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 fillers are designed to assist uniform mixing and produce a consistent grout.