Mapei Ultralite Mortar

SKU: M21462500021

MAPEI Ultralite Mortar is a premium-grade, lightweight, single-component thin-set mortar that can also be used for large-and-heavy tile (formerly known as mediumbed)and non-sag applications.

This high-performance, polymer-modified mortar is formulated with Easy Glide Technology for ease of application, and with BioBlock® technology for mold and mildew resistance. MAPEI Ultralite Mortar’s unique Ultralite Technology provides twice the coverage of a standard thin-set mortar per pound/kg and may contribute to LEED points with more than 20% recycled content.



  • Polymer-enriched for enhanced bond performance
  • Non-sag and nonslump formula for large and heavy tile/stone
  • 25-lb. (11.3-kg) bag of MAPEI Ultralite Mortar Pro provides the same coverage as a 50-lb. (22.7-kg) bag of a standard polymer-modified mortar
  • Smooth and creamy consistency
  • For thicker bond coats from 3/32″ to 1/2″ (2.5 to 12 mm)

• Most interior/exterior residential installations on floors and walls
• Most interior/exterior commercial installations on floors and walls
• Installation of ceramic and porcelain tile, quarry tile, pavers, Saltillo tile, and most types of marble, granite and natural stone


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