Traditionally a flooring choice with a rich history, terrazzo has had a renaissance of late, favoured for its distinctive look and used in ever more surprising applications around the home. 

kitchen with terrazzo worktops and splashback - grand designs  

Image: Homeowners Andrew and Francesca asked terrazzo specialists Diespeker & Co for bespoke worktops and splashbacks in distinct TE081 terrazzo to bring character to their otherwise neutral kitchen space. 

Widely used in commercial spaces for its durability, terrazzo is making its way into our homes as a  distinctive, sustainable material for flooring, wall-coverings and surfaces.

It was developed centuries ago in Italy as a budget flooring solution, using waste chips from the marble industry as a cost-cutting aggregate. 

With the advent of resin terrazzo, it's become a sought after aesthetic. While it can be demanding to manufacture and install, it's perfect for new builds who want to add character, with huge scope for customising the colours, shapes and formations for a bespoke, individual look that's relatively easy and cheap to achieve. 

Additional words: Hugh Metcalf 

Poured terrazzo floors 

kitchen with poured terrazzo flooring - grand designs

Image: Architects bureau de change sourced Fior di Pesco resin terrazzo slabs from InOpera for the floor of this contemporary kitchen extension. They cost £60 per sqm. 

Technological developments are extending the range of terrazzo types but the two main ones are cement-based and resin-based. Classic terrazzo is a mix of marble or granite aggregates set into a cement binding agent, which is ground and polished to create a smooth surface.

It is resilient, can be used inside or out, and be cast in situ or laid as tiles. Combining aggregates with an epoxy or polyurethane system is the most common installation type today.

More flexible than concrete and less likely to crack, resin-based terrazzo can be installed quickly and is a thinner, stronger material than concrete.

terrazzo floating staircase - grand designs

Image: Floating terrazzo staircase installed in The White House, by Gundry + Ducker. Photography: Andrew Meredith. 

"Installing poured resin terrazzo is a more time-consuming procedure than laying precast tiles, and the surface needs to be ground and polished, making it more suitable for a new build or refurbishment," explains John Krause, managing director, Diespeker & Co. 

Poured resin terrazzo has no joins for dirt to collect in, so it’s easy to keep clean. It doesn’t suffer from mould or shrinkage, which makes it a good choice for a bathroom, and is light enough to be used upstairs. It can't, however, be used outside and both resin and cement terrazzo need to be sealed. 

As with most flooring, the surface that the terrazzo covers needs to be level, especially if it’s going to be poured on top. It needs a good, solid substrate and can be installed over a screed base or, as it’s so light, onto plywood.

Expect to pay around £300 per sqm, depending on your supplier or contractor. Resin terrazzo is more expensive by comparison to cement but it is far more durable, so will last longer, as much as 25 years if cared for properly. 

Terrazzo tiles 

dzek dzek dzek terracotta bathroom tiles

Image: Marmoreal marble and resin precast tiles by Max Lamb, available in white or black with a honed or polished finish, from Dzek

Terrazzo flooring can be pre-cast and cut into slabs to make for a more exacting finish and better control over how the aggregates sit in the resin or cement, affecting the final look. Tiles or slabs are easier to install, which can reduce the cost. Tiles are generally laid finished, without the need for grinding and polishing.

Cement tiles featuring terrazzo elements are also popular, as are terrazzo-effect porcelain tiles for an easy and cost effective way to achieve the look. 

Alternative terrazzo surfaces 

huguet terrazzo sink in a kitchen - grand designs

Image: This bespoke kitchen sink, top, and legs by Mallorca-based Huguet is formed of a terrazzo made with cement recycled chips and 8mm macael aggregate. 

The change from cement-based terrazzo to resin has other benefits. As it's more flexible and less likely to crack, it can be used for other applications, such as worktops and walls. 

With the renaissance in this material has come a new wave of design-forward manufacturers creating with it – offering the ability to create exciting three dimensional surfaces and terrazzos made from unique materials. 

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Considering terrazzo as a material for your home renovations? Share your thoughts with us by tweeting us @granddesigns or post a comment on our Facebook page.

 

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