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Mapei Ultralite Mortar White is a premium-grade, lightweight, single-component mortar for large-and-heavy-tile and non-sag applications, and that can also be used for thin-set mortar installations. This high-performance, polymer-modified mortar features a very low emission of volatile organic compounds and includes an offset of greenhouse gas emissions. It is formulated with Easy Glide Technology for ease of application, and with BioBlock technology for mold and mildew resistance. MAPEI Ultralite Mortar utilizes Ultralite Technology for twice the coverage of a standard thin-set mortar per pound/kg and contains more than 20% recycled content.