Preprufe Grout CEM 100 is a high strength, cementitious, non shrink grout for re-profiling of pile heads prior to the application of Preprufe Grout EG 75. When used with Preprufe Grout EG 75, continuity of Preprufe waterproofing systems at pile heads and similar structural penetrations is achieved. Measured addition of the recommended amount of clean water produces a free flowing, high strength, non shrink grout. Preprufe Grout CEM 100 contains cements, graded mineral aggregates and polymers.