The Thicknesses Available
Silestone is made in a small range of standard thicknesses and choosing the right one is an important part of designing your kitchen. The three common options are a slim profile of around twelve millimetres, a standard twenty millimetres and a chunky thirty millimetres. Each gives a different look and suits different uses, from sleek and contemporary to solid and substantial. The thickness you choose affects not only the appearance of the worktop but also how it feels and where it works best, so it is worth understanding the differences before you decide.
The good news is that a skilled fabricator can also create the impression of a thicker worktop from a thinner slab using a built up edge, so you are not limited to the raw slab thickness for the look you want. This gives you real flexibility to achieve a chunky, solid appearance while keeping the practical benefits of a particular slab. Whether you love a slim, minimalist edge or a bold, substantial one, there is a thickness and edge approach to match and this guide walks through the choices.
SlimSleek, contemporary look
StandardThe popular all rounder
ChunkySolid, substantial feel
Built upThicker look from a thin slab
Comparing the Thickness Options
Each thickness has its own character and its natural home in a kitchen. The slim option suits modern, pared back designs and is often used for splashbacks and cladding as well as slim worktops. The standard thickness is the most popular all round choice, balancing looks, strength and value. The chunky option makes a bold, solid statement. The table below sets out how they compare so you can picture each in your own kitchen.
| Thickness | Look and Feel | Best Suited To |
|---|
| Slim (around 12mm) | Sleek, minimalist and modern | Contemporary kitchens, splashbacks and cladding |
| Standard (around 20mm) | Balanced and versatile | Most kitchens, the popular everyday choice |
| Chunky (around 30mm) | Solid, substantial and bold | Statement worktops and traditional or premium looks |
For most kitchens the standard thickness is the natural starting point, since it looks good in almost any setting and offers an excellent balance of strength and appearance. The slim and chunky options are there for when you want a particular style, whether that is a delicate modern edge or a bold, generous one. Your fabricator can advise on what suits your design, your cabinets and the overall feel you are after.
Find the Right Thickness for Your Kitchen
Seeing the thicknesses in person makes the choice easy. Visit our Elstow showroom to compare them and get a clear, no obligation quote for your Silestone worktop.
To explore the colours and thicknesses together and picture the finished look, our main Silestone Worktop page brings the range together with guidance on samples, templating and fitting across Bedford and the surrounding area.
Creating a Thicker Look With Built Up Edges
One of the most useful tricks a good fabricator has is the built up or mitred edge. This is where a strip of the same material is bonded to the underside of the worktop at the edge, creating the appearance of a much thicker slab while the main surface remains a thinner one. Done well, the join is invisible and you get the bold, chunky look of a thick worktop without needing the full thickness across the whole piece. It is a popular way to achieve a substantial edge with a slim or standard slab.
Chunky on DemandA built up edge gives the look of a thick worktop from a thinner slab.
Seamless JoinA skilled fabricator hides the join so the edge looks like solid stone.
Design FreedomYou can tune the edge to any depth you like, independent of the slab.
In short, Silestone comes in slim, standard and chunky thicknesses, with standard the popular all rounder. A built up edge lets a skilled fabricator create a thicker look from a thinner slab, so the finished style is entirely up to you.
How to Choose the Right Thickness
Choosing a thickness comes down to the look you want and the practical needs of your kitchen. If you love a clean, contemporary style, a slimmer profile or a standard slab with a neat edge will suit you. If you want a worktop that feels solid and makes a statement, a chunky thickness or a built up edge delivers that presence. It is also worth thinking about your cabinets and the overall proportions of the room, since the right thickness helps the whole kitchen feel balanced rather than top heavy or flimsy.
A little practical advice from an experienced fabricator is invaluable here, since they can show you how each option looks with your chosen colour and cabinets. Thickness also relates to other decisions such as the slab size and where joins fall, so it helps to consider them together. Our guides to Silestone Slab Sizes and Silestone Worktop Joins are useful companions to this one as you plan the details of your worktop.
Silestone Worktops Guide
This article is part of our complete Silestone Worktops Guide, covering what Silestone is, how it compares, what it costs and how to care for it.
Explore the Full Guide
For all the design and fitting decisions in one place, our Silestone Worktops Guide gathers the whole series so you can plan your worktop with complete confidence.
Thickness, Strength and Support
Beyond looks, thickness has a practical side worth understanding. A thicker slab is inherently more rigid, which is why the standard and chunky options are so widely used for worktops that need to span cabinets and carry daily use. Slimmer profiles are beautifully sleek, yet they often rely on good support underneath, so they are ideal where the worktop sits fully on cabinets or is used for splashbacks and cladding rather than long unsupported spans. A good fabricator will make sure whatever thickness you choose is properly supported for a solid, reassuring feel.
This is one of the reasons professional templating and fitting matter so much. The fabricator considers not just the look of the thickness you want but how it will be supported, where any joins fall and how the worktop behaves around a sink, hob or overhang. Getting this right ensures the finished surface feels rock solid underhand, with no flex or movement, whichever thickness you have chosen. It is the sort of detail that separates a good installation from a merely acceptable one and it protects your investment for the long term.
For an overhang, such as a breakfast bar, thickness and support work together and your fabricator may recommend a particular approach or a discreet bracket to keep everything firm. None of this need concern you in detail, since a skilled supplier handles it as a matter of course. It simply underlines that thickness is a decision about both style and substance, best made with expert guidance so the result is as strong as it is beautiful and stays that way for the whole life of your kitchen.
Where to Go Next
Thickness is one of several design choices. Our guide to Silestone Slab Sizes covers how big a slab can be, while Silestone Worktop Joins explains where joins fall and why. To choose the surface finish alongside the thickness, Silestone Finishes Explained walks through the options.
Speak to the Silestone Team in Bedford
If you are weighing up Silestone for a new kitchen, we are here to help you understand your options with no pressure at all. Visit our Elstow showroom to see and feel the surfaces for yourself, ask about colours and finishes and get honest advice on what will suit your home and budget.
To ask a question or arrange a quote, call our team on 01234 348 590 or request a quote online. We will help you choose the right Silestone surface then take care of templating, fabrication and fitting from start to finish.
