How to Make a Homemade Mosaic Bird Bath

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Mosaic tiling might seem complicated to do, but it is actually quite easy, even for a beginner. And this mosaic bird bath made with a terra cotta saucer as a base is a great project to get you started. The birds in the neighborhood will certainly appreciate it.

Image Credit: Jonathan Fong

Things You'll Need

  • 12-inch terra cotta saucer

  • Terra cotta sealer

  • Large piece of paper

  • Pen

  • 3/4-inch glass tiles

  • Tile cutter

  • Towel

  • Tile adhesive

  • Pre-mixed grout

  • Plastic gloves

  • Sponge

  • Rag

  • Grout sealer

  • 10-inch terra cotta pot

Image Credit: Jonathan Fong

Step 1: Seal the Terra Cotta Saucer

Terra cotta is porous, so it needs to be sealed to not only withstand the elements outdoors, but hold standing water. Apply two layers of terra cotta sealer to both the top and bottom of a 12-inch clay saucer, paying attention to the package directions for drying and cure times. Terra cotta sealer comes in both spray and liquid formulas. Also, you can use a sealer made especially for terra cotta, or use a general waterproof sealer that protects a variety of surfaces. Just check on the label to make sure it's good for terra cotta as well.

Image Credit: Jonathan Fong

Step 2: Make a Template

Place a piece of white paper in the saucer and trace around the inside edge with a pen to make a template for the tile artwork. With a template, we can experiment with the design on the paper before committing to the saucer. After drawing the circle, take it out of the saucer.

Image Credit: Jonathan Fong

Step 3: Cut Tiles

Glass tiles are available at art supply and crafts stores in bags or jars. They are usually 3/4-inch in size. While you don't need to cut the tiles, cutting them into irregular shapes creates a more interesting design. And smaller pieces can be used to fill in bare spots. Use a pair of tile cutters, which you can also find at crafts stores, to cut the tiles into your desired shapes. They work like giant fingernail clippers. Be sure to wear eye protection, and surround the tile with a towel as you're cutting so glass pieces do not fly across the room.


Glass shards will likely break off while cutting, so handle with care when touching cut pieces.

Step 4: Arrange Your Tile Pieces

Using the template as a blank canvas, create a design with the tiles. You can create an abstract design, which is easiest, or be more ambitious and draw an object. The great thing about using the template is you can play around with the design.

Image Credit: Jonathan Fong

Step 5: Glue the Pieces

Working with one tile piece at a time, transfer the design to the terra cotta saucer, gluing the pieces down with tile adhesive. You can find mosaic tile adhesive at the crafts store next to the actual tiles. Other permanent adhesives like epoxies can work as well; just check that they're waterproof.


As you're transferring your tiles to the saucer, go ahead and make adjustments to the design if you'd like. It's not set in stone — well, not yet anyway.

Image Credit: Jonathan Fong

Step 6: Tile the Inside Wall

After the main design of the saucer is complete, glue tile pieces to the inside wall. I did not use a template for this area, as I decided on a simple repeat pattern. The key to tiling the wall is to work from the bottom up, as gravity will cause the tiles to slide down, even with adhesive on the back. By positioning the bottom tiles first, the higher ones can be supported by the lower ones.

Image Credit: Jonathan Fong

Step 7: Apply Grout

Pre-mixed grout comes in a variety of colors. I chose a light grey to help the lighter-colored tiles stand out. Put on some plastic gloves and spread grout across the tiles, pushing the grout into all the nooks and crannies. Work the grout up to the rim of the saucer.


Use your hand as a "squeegee" to remove excess grout. You want an even layer of grout that is flush with the tiles.

Image Credit: Jonathan Fong

Step 8: Wipe with Sponge

Run a damp sponge across the surface to remove excess grout that is sitting on top of the tiles. Keep the sponge rinsed clean as you wipe. As you clean the tiles, your beautiful design is revealed.

Image Credit: Jonathan Fong

Step 9: Buff the Tiles

After the grout has dried for about four hours, use a damp rag to wipe off any remaining haze on the tiles. The grout has hardened at this point, so you can really scrub with the rag, if necessary.

Image Credit: Jonathan Fong

Step 10: Apply Grout Sealer

Protect the grout from moisture by applying two coats of grout sealer to the surface. Grout sealer comes in both aerosol and liquid formulations. I prefer the spray-on grout sealer, as it provides an even, no-mess coverage. Allow the grout sealer to dry for 24 hours before using the bird bath.

Image Credit: Jonathan Fong


Work in a well-ventilated area with eye and mouth protection.

Step 11: Elevate the Bird Bath

Place the completed birdbath on an upside down 10-inch terra cotta pot to elevate it off the ground. Fill the bird bath with water, and you're ready to invite the neighborhood birds over for a swim party.

Image Credit: Jonathan Fong