April 15, 2020

Concrete Mosaic Hearts

Garden decorations! I love them, especially the projects that you can craft yourself. I love the satisfaction of walking around the garden and looking at the things you've grown and made for it.

This post contains affiliate links (see bottom of post for explanation)

I've used silicone baking moulds to make these concrete hearts. I've made plain concrete hearts before and then glued mosaic tiles onto them later on- that method is called the direct mosaic method- but here I'm using the indirect mosaic method.

The indirect method involves placing the tiles face-down into the moulds. I've pre cut some clear contact here to fit the heart shape moulds, and placed it sticky-side-up into the moulds. The tiles then have something to stick to to keep them in place for when you put concrete in.

You could also use paper and stick the tiles down using a glue stick if you wish.

It makes it tricky to see what colours you're using when you do the indirect method- but for this project it doesn't matter too much as the tiles are just placed randomly, and the end product gives a nice flat surface.

Now mix up some concrete. You could either use plain cement and sand and mix according to packet instructions, or just use some mortar mix which is premixed cement and sand. Place the moulds onto a board & use a spatula to fill the moulds with the concrete mix. 

Always make sure to add as little water as you can to your mix- that will make it stronger. I sometimes add a fortifier to my concrete mixes to make the mix even stronger again.

Jiggle and tap the board to help release any air bubbles to the surface. I like to then let the hearts set for around 1/2 an hour then cover them in plastic for a few days to keep them wet, so they can cure and harden. Keeping them moist whilst curing can also help your finished product be stronger.

Remove from plastic and pop out of moulds and let dry. 

Mine had a few air bubble holes in them which I filled with a pale grout, or you could make up a little more concrete mix and use that to patch up any holes.

This is a fun project that is easy enough for kids to do too. Mine certainly liked finding spots for them to go in the garden.

Jules :)

*Affiliate Information: Affliliate links help me earn small commissions on products (at no extra cost to you), which helps support my love of blogging and sharing creative things. I only ever recommend or link to products that I'm genuinely into.


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