Tiled walls can last many years, but that’s not always a good thing. Colorful tiles may go out of style, and some tiles are inappropriate for the space. No matter why you want another look, you can tile over existing tiles if the wall is sturdy and none of the old tiles is cracked or loose. If there are only a few loose tiles, remove and clean them, then reinstall them with fresh adhesive before retiling the wall. Epoxy tile adhesive bonds with existing tiles, making it one of the best options for tiling over an existing tiled wall.
1,Mix degreasing cleaner with water in a bucket using a dilution recommended by the cleaner manufacturer.
2,Layer newspaper on the floor across the bottom of the tiled wall.
3,Scrub the wall tiles with diluted degreasing cleaner and a nylon scrub brush. Then rinse the wall with a water-dampened sponge.
4,Put on a dust mask and sand the wall tiles with a handheld power sander and medium-grit sandpaper to roughen the surface.
5,Remove the sanding dust with a vacuum cleaner and a hose attachment, then wipe the wall with a damp sponge.
6,Apply painter’s tape around the perimeter of the tiled wall to protect the surrounding area from excess tile adhesive.
7,Put on a pair of chemical-resistant work gloves, a dust mask and safety glasses.
8,Mix epoxy tile adhesive components in a bucket using the precise ratio of materials recommended by the adhesive manufacturer. Deviating from the product’s mixing instructions can cause the adhesive’s bond to fail.
9,Scoop up epoxy adhesive on the flat edge of a trowel and spread the material over an area of the tiled wall where you can work without moving excessively. Epoxy adhesive sets quickly, so adhesive spread too far may dry before you can install the tile.
10,Spread more adhesive over the wet adhesive on the wall, this time using the notched edge of the trowel. The notched edge leaves ridges of a uniform height through the adhesive.
11,Press the tiles against the wet epoxy, inserting the appropriate spacers in between the new tiles.
12,Tap the face of each tile gently with a rubber mallet to seat them into the adhesive.
13,Let the tiled wall dry for at least one hour after the full wall is finished before grouting.
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