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To make a small bathroom look bigger, choose light-colored tiles in a medium- to large-format size. Lighter colors like white, cream, or light gray help open up a room, making it feel larger and more airy. While it may seem counterintuitive, small tiles can actually make a bathroom look smaller because the increased number of grout lines creates a busy pattern that visually shrinks the space. Instead, opt for medium- or large-format tiles for a more seamless, expansive appearance. For the best effect, pair your tiles with a matching or similarly colored grout to create a continuous surface that enhances the illusion of a larger area. Avoid dark colors, heavy patterns, and contrasting grout, as these can make the space feel more confined.

Yes, you can tile over existing shower tiles, but it's better to remove the old tiles first for the best results. Tiling over existing tiles requires a clean, level surface and proper adhesion. If the old tiles are in good condition, you can roughen the surface to improve adhesion. However, removing the old tiles ensures a smoother, longer-lasting finish and prevents potential issues down the line.

Using caulk is one of the simplest and most recommended methods to finish glass tile edges. It creates an elegant seam between the glass tile and the adjacent area, along with a waterproof seal. With this method, you want to use a caulk color that matches the grout and, along with the grout, compliments the tile. Make sure the caulk line is smooth and even. Alternatively, you can use a bullnose or tile trimming to edge, however, that will also require caulk to seal.

The best trowel for penny tile is a 3/16-inch-by-5/32-inch V-notch trowel. Because of the small size of the penny tile, you want a trowel with small notches that can lay a thin layer of mortar on the surface you’re tiling. If the notches are too wide, you risk applying too thick of a layer of mortar, and it can squeeze out between the penny tiles.