- Over time, most tile backsplashes accumulate invisible layers of grease that can significantly inhibit primer adhesion. Scrub the backsplash before doing anything else, or nothing will bond. Ordinary soaps won't thoroughly strip grease from a backsplash and may leave behind residues of their own. For a through cleaning, wash the tile with a trisodium phosphate-based degreasing cleanser.
- Bare tile is too slick for paint adhesion and will reject new finishes. Professionals abrade tile backsplashes to improve their adhesive qualities. Ensure a lasting finish by employing a like strategy. Scour every square inch of the backsplash with 100-grit sandpaper. Don't quit until the entire backsplash feels slightly gritty to the palms of your hand, which is the fundamental key to generating adequate adhesion on tile. Never skip this critical step, or you'll have little chance at achieving adequate adhesion.
- Even after the tile backsplash is abraded, it is still not ready for its painted finish. Ensure lasting results by adding an adhesive bonding primer that will promote long-term durability. Apply a single coat of latex primer to the tile, or the paint may flake after a relatively short period.
- Low sheen paints, such as eggshell and flat latex, aren't suited for tile backsplashes because they aren't stain resistant and are not easy to clean. For best results, choose either a satin or semi-gloss paint.
- Add primer and paint to the backsplash using a roller equipped with a nap or foam cover. Don't use a nylon-bristled paintbrush to touch up the tile; instead, use a polyester-bristled brush that won't leave ugly marks in the finish.
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