Mapei - Ker 121 Professional-Grade Polymer-Modified Mortar - 50 lb

Ker 121 is a professional-grade, single-component, high-performance mortar for the installation of ceramic, marble, granite and porcelain stoneware over most traditional and specialty substrates. Ker 121 can be used for most interior residential floor and wall tile applications. In commercial applications, use on interior floor and wall installations as well as exterior floors.

• Polymer-enriched for deformability and high performance
• Smooth and creamy consistency makes it easy to apply

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