Grout Additive is an acrylic latex admixture formulated for use in place of water when grouting ceramic tile. This additive is specifically formulated for use with AccuColor Portland cement grouts.
what is the best mapei primer we should use when we wants to install tile over the tile? Mapei ECO PRIM GRIP ECO Prim Grip is a ready-to-use, low-VOC, synthetic resin-based primer with bond-promoting