High-Performance Single-Component Mortar for Professional Results

MAPEI Ker 121 is a professional-grade, single-component tile mortar designed for seamless installation of ceramic, marble, granite, and porcelain stoneware. Its polymer-enriched formula ensures excellent deformability, superior adhesion, and long-lasting performance, making it a reliable choice for both residential and commercial projects.

This one-step solution simplifies installations by combining high performance and ease of use, eliminating the need for multiple products.

Superior Bonding on Diverse Substrates

This mortar is compatible with most traditional and specialty substrates, delivering strong adhesion on challenging surfaces. Its polymer enrichment enhances flexibility and reduces the risk of cracking, ensuring durable installations over time.

• Suitable for interior residential floors and walls

• Ideal for interior commercial floors and walls

• Can be used on exterior floor installations

Versatile Use Across Tile Materials

MAPEI Ker 121 is suitable for a wide range of tile materials, including ceramic, porcelain, marble, and granite stoneware. Its high-performance formula supports both delicate and heavy tiles, making it a versatile solution for multiple projects.

• Supports large-format and standard tiles

• Compatible with natural and engineered stone

• Ensures long-lasting adhesion and stability

Professional-Grade Performance for Interior and Exterior Projects

Ker 121 combines strength, flexibility, and workability to meet the demands of professional installers. Its polymer-enriched composition ensures reliable results, whether used in residential renovations or commercial flooring installations.

• One-step, ready-to-use mortar for efficient installations

• Durable performance in high-traffic areas

• Trusted solution for professional tile installations