TEC Acrylic Grout Additive is an acrylic latex admixture formulated for use in place of water when grouting ceramic and most stone tile. The additive makes joints less susceptible to water penetration (especially important when grouting wet areas) and increases grout flexibility. A necessity for outdoor tile and mosaic applications.
Mix approximately 5 fl oz (148 ml) of additive with1 lb (2.2 kg) of grout.