Mapei Ultraflex 2 Professional-Grade, Single Component, Polymer Modified, Thin-Set Mortar, Gray, 50lbs Bag, for Indoor and Outdoor Installation of Large-Format Tile & Heavy Stone on Walls and Floors

• 50 pound (22.7 kg) mortar bag, gray mortar color best for use with light and translucent tile colors. Suitable for installing wall and floor tile on masonry, cement block, brick, cement backer units, and cement mortar beds
• Polymer-enriched for high performance, high adhesion and high deformability. Easy Glide Technology with a smooth and creamy consistency that makes the troweling process pleasant, fast and easy 
• Works well with ceramic tile, porcelain tile, cultured and natural stone tile stone tile, quarry tile, pavers, Saltillo tile, most types of marble tile, granite tile, VCT vinyl tile 
• Suitable for professionally tiling residential and commercial environments such as hallyways, showers, bathrooms, closed balconies, kitchens, laundry rooms, living/dining rooms, food courts, lobbies, foyers
• Meets or exceeds industry standards: ISO 13007: Classification C2EP1, exceeds ANSI A118.4 and ANSI A118.11 bond strength requirements. Contributes to environmentally friendly LEED rating system

Mapei Ultraflex 2 is a professional tile thinset mortar (dry-set), specifically formulated to meet the demands of floor and wall tile installation in both indoor and outdoor spaces. Part of the Ultraflex 2 high-performance mortar system, it is designed to provide easy installation and exceptional non-sag characteristics allow for the reliable installation of large format tiles on walls. Suitable for a variety of floor tiles and surface substrates, making this mortar mix your ideal choice for many professional home improvement projects. Mapei Ultraflex 2 offers excellent bonding strength, ensuring secure and durable bathroom tile installations. Features a polymer-enriched composition. Whether you're putting up subway tiles for your kitchen decor (home decor) or enhancing your bathroom decor with a pleasing tile mosaic, this tile thinset adhesive provides a reliable tile adhesive bond. Its clean gray finish compliments all manner of tile work designs using stone tiles, ceramic tiles, mosaic tiles, porcelain tiles, marble tiles, glass tiles, natural stone tiles, and carpet tiles. Mapei Ultraflex 2 is suitable for both interior and exterior work, providing reliable adhesion to many materials such as ceramic tile, quarry tile, pavers, Saltillo tile, clinker tile, brick tile, and natural stone. Its durability makes it an ideal choice for installation on many surfaces including cured concrete (at least 28 days old), masonry, cement blocks, brick, mortar bed, levelling coat, sheet rock, autoclaved aerated concrete, gypsum wallboard/fiberboard, mastic asphalt, heated screed, foam backer board, and over waterproofing membrane. Ultraflex 2 is the go-to solution for professional tile installations thanks to its superior performance, easy application, and load-bearing capability. It is the top choice of contractors and professional installers seeking exceptional results due to its excellent workability and broad compatibility with many substrate and surface types.