How to Install Backsplash Quartz Countertop

Installing a quartz backsplash behind your kitchen countertop can add an elegant, stylish look to your cooking space. Quartz is an engineered stone made from crushed quartz, resins, and pigments that creates a durable, low-maintenance, and customizible backsplash option. With proper planning and preparation, you can install a quartz backsplash that will beautifully match your countertop.

Choose Your Quartz Backsplash Slab

When selecting your quartz material, opt for a pattern and color that complements your countertop. Bring home quartz samples to compare to your countertop in your kitchen’s lighting. Quartz comes in a wide variety of styles including solid colors, granites, marbles, and more. Choose a quartz backsplash that either matches or provides an interesting contrast to your countertop.

Consider the size of the backsplash pieces needed. Full slabs will provide a seamless look, while tile pieces create more grout lines. If your backsplash includes an outlet, plan for this by getting a full quartz piece cut to size around the outlet.

Prepare Your Backsplash Area

Before installing the backsplash, properly prepare the area:

  • Clean thoroughly – Eliminate any grease, grime, or soap buildup on the wall area.
  • Remove existing backsplash – Take down any old backsplash tiles or other existing wall coverings.
  • Repair wall imperfections – Fill any holes or cracks and smooth over textured paint or wallpaper.
  • Prime the wall – After repairs, apply a coat of primer to create an even, sealed surface.

Proper prep prevents future problems with adhesion or wall moisture leaking behind the backsplash.

Gather Your Materials

Installing a quartz backsplash requires:

  • Quartz backsplash slabs
  • Adhesive or thinset mortar
  • Grout
  • Grout sealer
  • Trowels for spreading adhesive
  • Spacers for propergrout lines
  • Bucket for mixing adhesives
  • Grout float for applying grout
  • Grout sponge
  • Caulk and caulk gun
  • Tile cutter for sizing pieces

Make sure to use adhesive and grout products designed for natural stone.

Cut the Quartz Pieces

Measure the backsplash area and create a layout for the backsplash pieces. leave room for grout lines between pieces. Carefully cut the quartz slabs to the proper size using a wet saw designed for stone. Cut outs can be made for outlets, faucets, or other obstructions.

Adhere Backsplash Pieces to Wall

Apply a thin, even layer of adhesive mortar to the wall area using a notched trowel. Press the backsplash pieces into place, using spacers to leave even grout lines. If multiple pieces are used, check for even alignment along the countertop and between pieces.

Allow the adhesive to fully cure per manufacturer directions before proceeding. The pieces should feel firmly attached to the wall and not wiggle loose.

Apply and Seal Grout

Mix a batch of grout per package instructions. Apply grout along the seams using a grout float. Take care to fully pack the grout lines.

After grouting, wipe the quartz clean using a damp sponge in a circular motion. Once grout has dried, apply a sealing product to protect the grout lines from stains and moisture.

Finish With Caulk

Use a flexible caulk to seal any remaining gaps along the edges and seams, such as between the backsplash and countertop. Smooth and wipe clean any excess caulk.

Allow a full 24 hours for all adhesives, grout, and caulk to fully cure before using your new quartz backsplash.

Maintenance Tips

To keep your quartz backsplash looking like new:

  • Use a mild cleaner and soft sponge to clean
  • Avoid abrasive scrub pads or harsh chemicals
  • Re-seal grout every 1-2 years
  • Immediately wipe up spills to prevent stains

With proper installation and care, a quartz backsplash provides a durable, stylish focal point in your kitchen for years to come.

Frequently Asked Questions

What type of adhesive should be used to install a quartz backsplash?

Use a high-quality thinset adhesive specially formulated for natural stone. Avoid adhesives meant for ceramic tile.

How soon can I use my quartz backsplash after installing?

Allow adhesives and grout to fully cure for 24 hours before regular use of the backsplash. Avoid any moisture or cleaning during this time.

What’s the best way to cut and shape quartz pieces?

For professional results, use a wet saw designed for natural stone masonry. For indents or cut-outs, use a angle grinder with a diamond blade.

Can quartz backsplash pieces be mounted directly to drywall?

It is not recommended. Drywall alone does not provide enough support. Use cement board or apply adhesive directly to existing tile or concrete walls.

How do I get a seamless look with multiple quartz backsplash pieces?

Use pieces cut from the same slab and carefully align pieces during installation. After grouting, any seams should be barely noticeable.


Installing a quartz backsplash allows you to achieve a high-end designer look with this durable, low-maintenance material. With the right preparation and procedure, you can transform your kitchen by adding a beautiful quartz backsplash that truly complements your countertop. By following best practices for cutting, adhesive application, grouting, and sealing, your new backsplash will stand up beautifully to the wear-and-tear of a busy kitchen.