Grout Refresh is a nonflammable, ready-to-use, water-based, polymer- modified colorant and sealer for grout joints. It can be applied onto and bonds to cement, epoxy, urethane and acrylic 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