Mapei Keraflex Maxi S1 Zero Grey Tile Adhesive is a high-performance, deformable cement-based adhesive formulated with Low Dust technology for safer and cleaner application. Engineered for installing ceramic, porcelain, and natural stone tiles, it offers outstanding adhesion, excellent workability, and slip resistance. The S1 deformability rating ensures flexibility to accommodate substrate movement, while its non-vertical slip and extended open time make it perfect for large-format and heavy tiles. Suitable for both interior and exterior installations, including underfloor heating systems, this adhesive provides superior performance while offsetting CO₂ emissions to help protect the environment.