Mapei UltraCare Grout Protector Spray is a 750ml ready-to-use protective treatment specifically formulated for cementitious grout joints. Its advanced water-based formula penetrates the grout surface to create an invisible, breathable barrier that repels water, oil, and common stains. This easy-to-apply spray simplifies routine cleaning and helps maintain the appearance of grout lines by preventing deep-seated dirt from adhering, making it an effective maintenance solution for both interior and exterior tiled areas.