Sika 4 Rapid Setting Liquid Admixture 5LIntroducing the Sika 4 Rapid Setting Liquid Admixture, your go to solution for accelerating the setting time of concrete and render applications. Specially formulated for environments with low water pressure or slow water movement, this ready to use liquid admixture ensures robust performance while effectively resisting water pressure and preventing cement washout. Ideal for use in mortars, screeds, and renders, Sika 4 is designed to help you achieve