TERRAZZCO Choosing Your Aggregates

Choosing Your Aggregates

One of the easiest parts about designing terrazzo floors?

Choosing a resin color.


Like we mentioned in this blog post you can pick an accent color from your interiors and go from there.


One of the hardest parts?

Choosing your aggregates.

The color, size, and hardness of an aggregate will completely change the look and feel of your floor. One wrong selection and suddenly your floors go from masterpiece to mistake.



The color of your aggregate is obviously important, but it’s not too difficult. In this case, pick something that compliments the color of your resin; have variations to create interest; mix and match colors for a unique look.


Choosing a size of aggregate is a bit trickier. Aggregates – in reference to terrazzo – come in three major sizes: 0, 1, and 2; zero being the smallest and two the largest. You can, of course, go larger, but it will all depend on your design. You’ll want to use a variety of sizes in your floors rather than just sticking to all different aggregates of the same size. The more prominent you’d like a particular aggregate to be, the larger it should be in comparison to the rest.


Finally, the hardest piece to the puzzle. Literally. This should actually be the first step in the process of choosing aggregates, but I saved it for last here because it can be a bit confusing if you’re new to the whole terrazzo thing.


Different types of aggregates come in varying levels of hardness.


This is important because you don’t want to pair super hard aggregates with super soft ones. Essentially, pick one side of the spectrum for your project and stay there. For example, if you’re planning on using marble aggregates, don’t pair it with plastic; try glass instead. If you aren’t sure about the hardness of your aggregates, you can always refer to the Moh Scale of Hardness for some help!




Even with these tips, choosing aggregates for your terrazzo floors can be somewhat intimidating, especially if you’re new to the process. If you’d like some help, don’t hesitate to contact our experts at 704.921.4928!

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