Premium Mortar
Premium Mortar is a premixed no-mess alternative to traditional thin-set mortars that require water and mixing. It is nonflammable and ready to use.
AVAILABLE AT SELECT RETAIL LOCATIONS ONLY
FAQs
Can I use mastic or a premixed tile adhesive over Mapelastic® AquaDefense?
Ready-to-use tile adhesives, such as MAPEI's Type 1™ mastic and Premium Mortar for tile and stone, require a porous substrate to cure properly. They should not be installed over waterproofing membranes.
Can I apply Premium Mortar over a waterproofing membrane?
Ready-to-use tile adhesives, such as MAPEI's Premium Mortar for tile and stone, require a porous substrate to cure properly. They should not be installed over a waterproofing membrane.
Is there a limit for the tile size?
Tile cannot exceed 20" (51 cm) on any side when using MAPEI's Premium Mortar for tile and stone.
Can I use Premium Mortar with a radiant-heat flooring system?
MAPEI's Premium Mortar for tile and stone should not be used with radiant-heat flooring systems. Polymer-modified, cement-based mortars, such as MAPEI's Ultraflex® LFT™, are generally recommended for installing tile over radiant-heat systems. Refer to the written instructions of the radiant-heat manufacturer for recommendations of cement-based mortars.
Can Premium Mortar be used outside?
MAPEI's Premium Mortar for tile and stone should not be used for exterior installations. Polymer-modified, cement-based mortars that are generally recommended for installing tile outside include MAPEI's Ultraflex® LFT™ mortar, and MAPEI's Keraflor® mortar mixed with MAPEI's Keraply® additive.
Can Premium Mortar be used in a pool?
MAPEI's Premium Mortar should not be used in submerged applications, such as swimming pools. Use MAPEI's Adesilex™ P10 Mosaic & Glass Tile Mortar mixed with MAPEI's Keraply® additive.
Can Premium Mortar also be used as a grout?
MAPEI's Premium Mortar for tile and stone should not be used as a grout. For convenience, MAPEI offers MAPEI Flexcolor® CQ, which is a ready-to-use (premixed) grout.
Can Premium Mortar be used under cement board?
MAPEI's Premium Mortar for tile and stone should not be used under cement board. Refer to the cement-board manufacturer's written installation instructions for cement-based mortar recommendations. If the cement-board manufacturer recommends a polymer-modified mortar, MAPEI recommends Porcelain Tile Mortar. If the cement-board manufacturer recommends a non-modified mortar, MAPEI recommends Uncoupling Membrane Mortar.