Kitchen, Glass Tile, Wood, Colorful, Ceiling, Cooktops, Wall Oven, Stone Tile, and Undermount "The tiny backsplash is perhaps my favorite addition," says Bonnie of the kitchen remodel. "I think I did more research on flexible grout than I have on anything before. We ended up using Tec AccuColor Unsanded Grout mixed with Tec Acrylic Grout Additive for increase flexibility, and so far so great." The backsplash is Salt Wood Chip by Mudtile.  Best Kitchen Cooktops Stone Tile Undermount Photos from Before & After: Bold Wallpaper Brings Dreamy Vibes to a Dated Airstream