We can’t let go of summer! So here’s just one more garden craft before fall crafting begins! We made these mosaic garden rocks using a hodge podge of tiles leftover from other projects. And we think they turned out dynamite! They were super easy to make. We’ll show you how. We have a video showing how to mix and tint the grout. It’s easier than you might think!
We have a complete video lesson showing how to make these Mosaic Garden Rocks over at Skillshare. It’s free! All you have to do is register.
How To Make Mosaic Garden Rocks
Materials (For One Of The Mosaic Garden Rocks)
1 rock, 4 to 5 inches
Mix of colorful tiles
Clear silicone adhesive
White sanded grout
Black acrylic craft paint
Mosaic grout sealer
Disposable mixing container (like a sour cream container)
Putty knife or wooden stirring stick
Plastic cup for water
1. Start by picking out your tiles. This part is fun! We set all our tiles out so we could see them all. We combined round tiles, square tiles, and mirror tiles. They ranged in size from 1/4 inch to 1 inch. Since we had tiles of every color of the rainbow, we decided to make rainbow rocks. We did a color merge of red, orange, and yellow on one rock. Greens and aquas and turquoises on one rock. And a mix of blues and purples on the last one. Look over your tiles and make your own design. You could make one rock all one color or one rock with every color. It’s up to you!
2. Next glue the tiles onto the rock. We like to use clear silicone adhesive. (You might think hot glue would be fast and easy for this project, but the rocks are cold so they make the glue harden too fast and it gets brittle. The tiles tend to pop off.)
To glue the tiles down, place a dab on the back of each tile and press it onto the surface of the rock. Most tiles have a top and bottom, with the bottom being rougher to grab onto the surface.
Place the tiles pretty close together. Our grout label says it spans a width of 1/8th inch to 1/2 inch. We made sure to arrange our tiles with spaces between 1/8th inch to 1/2 inch.
Cover the whole rock with tiles except for the bottom. Let the glue dry completely.
3. Now we are ready to mix the grout. Put your gloves on. Read the instructions on your grout. You are looking for the ratio of water to grout you will need. Our grout needs 7 parts grout to 1 part water. For a project as small as these rocks you’ll only need a small amount of grout. We mixed 1 tablespoon of water with 7 tablespoons of grout. We think it is better to mix in small batches anyway since you only have 15 minutes to grout the project once it’s mixed up.
Here’s a video we made showing how to mix and tint the grout:
Add 1 tablespoon of water to your disposable container, then add 7 tablespoons of grout. Mix this together thoroughly. You want the grout to be the texture of natural peanut butter. Add more water if necessary until the grout is the right consistency.
4. If you want to tint the grout, add a small amount of acrylic craft paint to the grout. Mix together thoroughly. Remember you only have about 15 minutes to work with the mixed grout, and that includes applying it, so don’t take too long with this part. Check to see if you like the color, if not add more paint and mix together again. The grout will look darker when wet and will look a little lighter when dry.
5. To grout your mosaic, put a dollop of grout right on the tiles. Using your gloved fingers, press the grout into all the spaces between the tiles.
Make sure you get grout in and around every side of every tile. Wipe the excess grout off with a damp sponge. A small amount of grout will remian on the surface of the tiles. No worries. We’ll take care of that in a few.
Let the grout dry for 30 minutes. Then buff the haze that has formed off the tiles with a damp paper towel.
Let the grout dry completely over night. (If a haze forms again, buff the tiles again.)
6. To seal your mosaic garden rocks, shake the grout sealer. Paint the sealer all over the mosaic rocks in a very thin coat. We like to use a sponge paintbrush. The sealer will dry clear.
When your rock is all dry, Take it to see it’s new home in the garden. Your gnome will thank you!
Aren’t these fun? There’s no wrong way to make them! If you have any questions about grout or tint or making mosaics, leave us a comment. We will reply! We’re happy to help.
Jennifer & Kitty
We love getting pinned!