MAPEI Mosaic and Glass Tile 10 lb White Powder Thinset Mortar 4x4 Post Q: What are the step Item Weight:44.17 Q: What are the step sizes and increments Heated water attacks all metals porcelain and ceramic tile (up to 15 in x 15 in) Non sag performance: great for sheet mounted mosaics where final alignment is critical Bright white color enhances the appearance of transparent or translucent glass or stone tile Mix with water no additive required Use on floors and walls When mixed with MAPEI Polymer Additive: for submerged installations subject to continuous water immersion or extreme moisture conditions swimming pools hot tubs and water features Smooth and creamy consistency for easy application Polymer modified mortar