A water-based polymer additive for cementitious walls and floor grouts, BAL Admix GT1 improves grout flexibility, physical properties and performance and is ideal for use with porcelain tiles. Suitable for use with BAL Grout, and Wide Joint Grout. Not suitable for use with highly polymer-modified cementitious adhesives and ready-mixed products.BAL Admix GT1 is the perfect product to help improve the performance of cementitious BAL wall and floor grouts. Available in handy 2.5 litre and 1 litre bottles, Admix GT1 provides added flexibility and is perfect to add to grouts for use in projects including showers, swimming pools, heated screeds and areas with limited movement or vibration.