How To Replace a Tile Backsplash

Replacing a tile backsplash is a manageable DIY project that can refresh your kitchen’s appearance. With the right tools and techniques, you can remove old tiles and install a new backsplash to give your kitchen a fresh, modern look.

In the video above, This Old House tile contractor, Joe Ferrante, demonstrates the process of removing old tiles and preparing the wall for a new mosaic tile backsplash.

Gathering Necessary Tools and Materials

To successfully replace your tile backsplash, you’ll need the following tools and materials:

• Flat pry bar
• Grout float
• Grout sponge
• Hammer
• Liquid silicone sealer
• New tiles
• Pointed trowel
• Putty knife
• Scraper
• Thin-set mortar
• Tile cutter or wet saw

Protecting Surrounding Areas

Before removing old tiles, you first need to take the time to protect the surrounding areas. Here are some steps to take:

• Cover countertops with a protective material such as cardboard or drop cloths
• Ensure proper ventilation in the work area
• Remove all items from the countertop and nearby surfaces
• Tape off the edges of cabinets and appliances to prevent damage

Removing the Old Backsplash

The first step in replacing your tile backsplash is removing the existing tiles. This process requires patience and care to avoid damaging the wall beneath.

Techniques for Tile Removal

To remove the old tiles, follow these steps:

1. Start at the top corner of the backsplash and work your way down
2. Use a flat pry bar and hammer to pry off each tile gently
3. Work slowly and carefully to minimize damage to the wall
4. Remove any remaining adhesive or grout with a scraper or putty knife

Preparing the Wall Surface

Once you’ve removed all the old tiles, it’s time to prepare the wall for the new backsplash:

1. Use a wide-blade scraper to remove any remaining adhesive or debris
2. Fill any holes or depressions with thin-set mortar
3. Allow the thin-set to dry for about 30 minutes
4. Smooth the surface using a wet sponge and flat trowel

Choosing and Planning Your New Backsplash

Selecting the right tiles and planning your layout are important steps for creating a new backsplash.

Selecting the Right Tiles

When choosing tiles for your new backsplash, consider the following factors:

• Cost per square foot
• Durability and ease of maintenance
• Material (ceramic, glass, stone, etc. )
• Size and shape of tiles
• Style and color that complement your kitchen decor

Be sure to purchase about 10% more tiles than you think you’ll need to account for cuts and potential breakage.

Planning the Layout

Before installing your new tiles, you’ll first need to plan your layout:

1. Lay out tiles on a flat surface to determine the best arrangement
2. Make any necessary cuts to ensure a proper fit around outlets or corners
3. Mark reference lines on the wall to guide your installation
4. Measure the width and height of your backsplash area

Installing the New Backsplash

With proper preparation and planning complete, you’re ready to install your new backsplash.

Applying Adhesive

To begin the installation process:

1. Mix thin-set mortar according to the manufacturer’s instructions
2. Apply the thin-set to the wall using a notched trowel
3. Work in small sections to prevent the adhesive from drying before you can place the tiles

Setting the Tiles

When setting your new tiles:

1. Press the first tile sheet into the mortar, starting at the bottom center of the wall
2. Use spacers if necessary to maintain even gaps between tiles
3. Continue placing tile sheets, working your way outward and upward
4. Gently press tiles into place to ensure good adhesion
5. Use a level periodically to ensure tiles are straight

Cutting Tiles

For a professional finish, you may need to cut some tiles to fit around outlets or in corners:

1. Mark the tile accordingly
2. Measure the space where a cut tile is needed
3. Smooth any rough edges with a tile file
4. Use a manual tile cutter for straight cuts or a wet saw for more complex cuts

Grouting and Finishing

After the adhesive has cured (usually 24 hours), you can grout your new backsplash:

1. Allow grout to dry for the recommended time
2. Apply a liquid silicone sealer to protect the grout from staining
3. Apply grout using a rubber float, working it into all joints
4. Mix grout according to the manufacturer’s instructions
5. Remove excess grout with a damp sponge

Maintaining Your New Backsplash

Regular maintenance is key to keeping your new backsplash looking its best. 

Cleaning Tips

To keep your backsplash clean, avoid abrasive cleaners or scrubbers that could damage tiles or grout, and clean up spills promptly to prevent staining. Additionally, use a mild, pH-neutral cleaner for occasional deep cleaning and wipe down regularly with a damp cloth.

Longterm Care

To ensure your backsplash stays in top condition:

• Address any issues promptly to prevent further damage
• Inspect tiles periodically for any cracks or loose pieces
• Reseal grout lines annually to keep the surface waterproof and cover over any stains

Tools