Mapei Ultralite

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. Stocked in white 25# bags.

• 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 SUITABLE SUBSTRATES • Concrete (cured for at least 28 days) • Masonry cement block, brick, cement mortar beds, render coats and leveling coats • Cement backer units (CBUs) – see manufacturer’s installation guidelines • Gypsum wallboard and plaster – interior walls in dry areas only (priming may be required). See MAPEI’s “Surface preparation requirements” reference guide in the Related Documents section of the Tile & Stone Installation Systems page on MAPEI’s Website. • APA Group 1 and CANPLY 0121 exterior-grade plywood (interior, residential and light-commercial floors and countertops in dry conditions only) • Properly prepared vinyl composition tile (VCT), vinyl and cutback residue (interior only) • Properly prepared existing ceramic and porcelain tile, quarry tile and pavers (interior only) • MAPEI waterproofing, crack-isolation, sound-reduction and uncoupling membranes (limited to thin-set installations only when using weak stone) Consult MAPEI’s Technical Services Department for installation recommendations regarding substrates and conditions not listed.