How to Install Stone Backsplash in Kitchen

Installing a stone backsplash in your kitchen can add natural beauty and elegance while also providing a durable and low-maintenance surface. With proper planning and preparation, you can install a stone backsplash yourself and save on labor costs. Here is a step-by-step guide on how to install a stone backsplash in your kitchen.

Choose the Right Stone Material

The first step is selecting the right type of stone that matches your kitchen’s aesthetics and fits within your budget. Consider options like:

  • Granite – Offers an elegant, upscale look with unique natural patterns. It’s extremely durable but more expensive.
  • Marble – Provides a timeless, classical beauty but is porous and requires resealing. Carrara and Calacatta are popular marble options.
  • Travertine – Has earthy tones and a rustic, natural look. The surface is pitted and textured. It is softer than granite.
  • Slate – Has a natural cleft surface with dark earthy tones. It is durable and water-resistant.
  • Quartzite – Resembles marble but is harder and more durable. It offers subtle veining and patterns.
  • Soapstone – Known for its soft, smoother surface. It darkens over time and requires periodic sealing.
  • Limestone – Offers neutral tones, subtle graining, and a distressed appearance. Avoid in wet areas as it’s prone to etching.

Measure and Purchase Stone Tiles

Once you select the stone, measure the dimensions of your backsplash area to determine the amount of tile needed. Add 10-15% extra to account for unusable cuts and pattern matching.

Purchase the stone tiles along with matching bullnose tiles, decorative tiles, and accent pieces if needed. Also, buy the recommended grout.

Prepare the Surface

  • Remove existing backsplash if there is one. Scrape off any leftover adhesive or residue.
  • Thoroughly clean the wall surface and make any repairs to existing drywall or plaster. Fill holes, smooth uneven areas.
  • Paint the walls with primer and apply waterproofing membrane as an extra moisture barrier.
  • Mark the center point and height for the first row of tiles. Ensure the tiles will align horizontally and vertically.

Apply Thin-set Mortar

  • Mix thin-set mortar adhesive according to package directions.
  • Use a notched trowel to spread a thin layer of mortar on the wall just enough to cover one section at a time.
  • Use the flat side of the trowel to flatten and even out the mortar.
  • Press tiles firmly into the mortar and use spacers between them.
  • Check tiles are level and aligned. Adjust as needed.
  • Spread mortar and add adjacent tiles in the same way until the row is completed.

Cut Tiles to Fit

  • Measure and mark tiles for cutting around outlets, corners, and edges.
  • Cut the tiles to fit using a wet saw or tile cutter. Make precision 45-degree mitered cuts for corners.
  • Set cut tiles into the thin-set mortar and press firmly into place.

Add Decorative Accent Tiles

  • Apply mortar and set any decorative listello, mosaic, or medallion tiles into the desired pattern.
  • Follow the design you planned and refer to centering marks as needed.

Grout the Tiles

  • Let thin-set mortar cure fully for 24-48 hours.
  • Mix grout using an unsanded variety in a color that matches the tiles.
  • Spread grout over the tiles using a rubber grout float or squeegee.
  • Push grout into joints until completely filled and scrape off excess.
  • Clean tiles thoroughly with a damp sponge rinsing often. Allow grout to dry.
  • Seal grout lines with grout sealer for water resistance and easier cleaning.

Finish the Edges

  • Apply thin-set mortar to the edges of the backsplash area.
  • Press matching bullnose edge tiles into place for a finished look.
  • Wipe away any excess mortar and grout edges once cured.
  • Caulk along countertops, corners, and any gaps with flexible silicone caulk.

With the right materials and careful tile-setting techniques, you can install an eye-catching stone backsplash that adds natural style to your kitchen. Refer to video tutorials for tips on cutting tricky tiles or patterns.

Frequently Asked Questions

What type of mortar should I use?

Use thin-set mortar adhesive designed for natural stone tiles. It provides a strong bond and allows for adjustments. Check that it is suitable for your tile material.

How do I cut stone tiles?

Use a wet saw with a diamond blade designed for stone. For straight cuts, score the tile then snap it along the line. Use a rod cutter for small notches. Get professional help for complex cuts.

Can I install a stone backsplash over drywall?

Yes, as long as the drywall is in good condition. Prepare it by priming and applying a waterproof membrane. Cement backerboard offers a more durable surface.

What’s the best way to seal natural stone?

Use a penetrating sealer formulated for the specific stone material. Apply a thin layer with a paint pad or brush. Buff off excess after 5-10 minutes. Reapply yearly.

How do I clean and maintain the backsplash?

Use pH-neutral stone cleaners and avoid abrasive scouring pads. Reseal grout lines periodically. Check for cracks in caulk and reapply as needed to prevent water damage.


Installing a stone tile backsplash boosts your kitchen’s style quotient while also being a smart, low-maintenance upgrade. With proper planning and installation steps, you can DIY this project and save on labor costs. Focus on preparing the surface, carefully applying mortar and tiles, and finishing with quality grout and sealers. Your stunning new backsplash will transform the kitchen into a stylish, natural focal point.