Suitable for grouting various surfaces including quarry, natural stone, ceramic, terrazzo and porcelain tiles. This Weberjoint premium grout in Platinum colour is a smooth, durable tile grout is designed with anti-stain and mould stop technology, ideal for joint widths up to 20mm. For use in internal and external areas, is a rapid setting and water repellent grout. Recommended for use on wooden and tiled floors with underfloor heating. Available in a range of different colours online and in-store.