Sika’s concrete admixtures are engineered to enhance the performance, durability and finish of concrete in a wide range of construction applications. This range includes bio-based fibres for improved resistance to plastic and drying shrinkage cracks, a high-performance liquid curing agent that reduce water loss in freshly placed concrete and an advanced surface retarder for controlled surface exposure and excellent curing results. These admixtures support stronger, longer-lasting concrete with enhanced workability and finish quality.