How to Install Glass Backsplash in Kitchen

Installing a glass backsplash in your kitchen can instantly upgrade the look and feel of the space. Glass backsplashes are sleek, modern, and easy to clean. With some careful planning and proper installation techniques, you can add this gorgeous feature to your kitchen yourself.

Choose the Right Glass Backsplash

When selecting a glass backsplash, you’ll first need to decide on the look you want. Glass tile backsplashes come in different styles, sizes, textures, and colors. Some popular options include:

  • Clear glass – Provides a clean, transparent look that works well in contemporary spaces.
  • Frosted or etched glass – Has a softer, more opaque appearance that diffuses light beautifully. Great for a more traditional aesthetic.
  • Colored glass – Adds a bold pop of color in shades like red, blue, green, etc.
  • Glass mosaic tile – Tiny glass tiles in mesh sheets create a shimmery, iridescent effect.
  • Recycled/crumb glass – Made from recycled glass pieces in an eco-friendly mosaic mesh sheet.
  • Metallic glass – Has a lustrous, glamorous look with metal or mirrored finishes.

Consider the overall color scheme and style of your kitchen. Measure the area you want to cover for an accurate estimate of how much glass tile you’ll need. Allow for 10-15% extra for cuts and wastage.

Prepare the Surface

Installing the glass backsplash begins with proper preparation of the wall surface:

  • Clean thoroughly – Wipe down the wall area with a degreaser and rinse any soap residues. This allows the adhesive to stick properly.
  • Fill any holes or gaps – Use spackle compound to fill holes, cracks, or uneven spots for a smooth surface.
  • Prime the surface – After repairs, apply painter’s tape around the edges and prime with a good quality primer. Let it dry completely.
  • Apply adhesive mat or mortar – Self-adhesive mesh sheets are the easiest option. For glass mosaic tiles, apply a thin layer of mortar or mastic adhesive.

Be sure to use adhesive suitable for glass tile and your wall type. Completely cover the area where tiles will be installed.

Install the Glass Backsplash

Once your prep work is complete, it’s time for the fun part – installing the beautiful glass tiles! Follow these steps:

  • Dry lay tiles – Arrange the glass tiles on a flat surface to map out placement and get the layout you want. Cut borders and irregular edges to fit.
  • Apply tiles row by row – Working in sections, carefully press the glass tiles into the adhesive starting at the bottom. Use spacers between tiles for even grout lines.
  • Check alignment frequently – As you go up, inspect the tiles to ensure they are level and aligned. Adjust as needed.
  • Cut and fit around outlets – Measure and mark areas to cut for electrical boxes, faucets, etc. Use a wet saw or tile cutter to cut the glass neatly.
  • Let adhesive cure – Allow 24-48 hours for adhesive to cure completely before grouting. This prevents tiles from shifting.

Grout and Seal the Glass Backsplash

Grout fills the seams between the glass tiles, finishing off your new backsplash beautifully.

  • Mix and apply grout – Follow package directions to mix a batch of unsanded grout. Use a grout float to spread it across the tile surface, pressing into joints.
  • Wipe away excess grout – Let it sit briefly, then use a damp sponge in a circular motion to remove excess grout from the tile surface. Rinse sponge frequently.
  • Clean haze and residue – Once grout has dried, use a soft cloth to wipe away any remaining haze or film from the tiles.
  • Caulk perimeter edges – Use a flexible silicone caulk to seal around the edges of the backsplash. This prevents moisture from getting behind.
  • Apply grout sealer – After allowing the grout to cure fully, apply a grout sealant to protect from stains and mold.

With proper care and maintenance, your gorgeous new glass backsplash will shine for years to come! Add some beautiful pendant lights, sconces or under-cabinet lighting to really make it pop.

FAQs About Installing Glass Backsplash

What tools do I need to install a glass backsplash?

You’ll need basic tiling tools – notched trowel, spacers, grout float, mixing paddle, sponges, buckets, tile cutter or wet saw for glass. Safety gear like gloves and eye protection are also a must.

Can I install a glass backsplash directly over drywall?

It’s not recommended. Moisture can damage drywall over time. Install over cement board, greenboard, or use a waterproof membrane between the glass and drywall.

How long does a glass backsplash installation take?

It depends on the size of your project, but plan on 2-3 days – Day 1 for preparing the surface, Day 2 for installing glass tiles, and Day 3 for grouting/finishing.

What’s the best grout to use with glass backsplash?

Use unsanded grout which is smoother and less likely to scratch the glass. White or colored grout both work well. Stay away from dark grout hues which can show scratches more.

How do I cut the glass tiles?

You’ll need a quality wet saw with a diamond glass blade. Take it slow and steady to get clean cuts. Use eye and ear protection.

What maintenance does a glass backsplash require?

Glass is easy to keep clean – just use a soft sponge and mild soap and water. Re-seal the grout annually. Be careful not to nick the tiles with cookware or knives.


Adding a glass backsplash brings elegance and visual interest to any kitchen. With some careful prep work and attention to detail during installation, you can achieve stunning results. Just take your time and don’t be afraid to adjust tiles until you get the layout and alignment just right. Maintain with proper cleaning and re-sealing, and your glass backsplash will dazzle for many years. With this guide, you’ll see that installing glass backsplash in kitchen is very manageable as a DIY project.