ColourCem is a milled blend of white or grey Portland cement and selected compatible pigments. Strengths are similar to those of Portland cement, but if dark shades are required, up to 10% more ColourCem should be used for a given strength. To achieve integrally coloured concrete, plaster, mortar or pre-cast concrete. Care should be taken in the choice of aggregates, shuttering and general continuity of work. Tests should be done to ensure desired results.