A Smooth Acrylic Latex Formula, Ready To Use From The Can. For Grouting New Tile Or Tile Repair. Use In Mosaic Work, To Reset Ceramic Pieces Or Around Shower, Tubs, Sinks And Marble Sills. Can Be Applied With Moistened Finger, Cloth Or Spatula. Sets Quickly, May Be Tinted With Any Latex Or Universal Colorant. Acrylic Latex Formula Stay Bright White. Not A Tub Caulk.