Ultra Trade flexible slow set tile adhesive in White, is a single part standard set adhesive, suitable for both walls and floors. It sets in 16 hours and is able to take light foot traffic in 18 hours. Suitable for a wide range of substrates like wet areas, timber floors and with underfloor heating, along with most tile types including ceramic, porcelain and natural stone*. Its polymer modified formula provides enhanced performance and high bond strength for applications subject to moisture, while its extended workability, enhanced adhesion and flexibility, makes it ideal for areas subject to movement. *Porous natural stone tiles need to be checked for compatibility to avoid staining.