Description
Kerakoll Setaflex Rapid S1 Grey is a fast-setting, flexible tile adhesive developed for professional use on both wall and floor tiling projects. Designed to deliver strength, speed, and reliability, it allows for grouting in as little as 3 hours—ideal for time-sensitive installations.
With S1 deformability, this adhesive is formulated to absorb movement and stress, making it perfect for use with underfloor heating, high-traffic areas, and external applications. The grey formulation is particularly suited to darker tiles and general tiling work, providing a clean, consistent base for a wide range of finishes.
Offering excellent adhesion to common substrates such as sand & cement screeds, concrete, tile backer boards, and existing prepared tiles, Setaflex Rapid ensures a secure and long-lasting bond.
Key Features:
- Rapid setting – grout after approx. 3 hours
- S1 flexible adhesive – accommodates movement
- Ideal for porcelain, ceramic & natural stone
- Suitable for internal & external use
- Compatible with underfloor heating systems
- Grey formulation – ideal for standard and darker tiles
- High bond strength across multiple substrates
Typical Applications:
- Floor and wall tiling
- Bathrooms, kitchens & wet rooms
- Commercial and domestic projects
- External patios and balconies
A reliable choice for professional tilers, Kerakoll Setaflex Rapid S1 Grey combines fast installation times with flexibility and durability across a wide range of tiling applications.

