Material comparison
Flexible clay, natural stone, ceramic tile
Eight criteria that decide a cladding specification, answered honestly — including the two rows where flexible clay is simply level with stone rather than ahead of it.
| Criterion | Flexible clay (MCM) | Natural stone | Ceramic tile |
|---|---|---|---|
| Safety | Light and thin — nothing heavy enough to shed off a high-rise elevation. | Slabs can work loose and fall. Needs mechanical fixing above low level. | Tiles can debond and fall. Same fixing constraint as stone. |
| Environment | Recyclable. No quarrying, no deforestation, no kiln firing. | Quarrying and site clearance, with heavy extraction impact. | High-temperature firing means high CO₂ and significant waste. |
| Durability | Weather resistant, anti-fungal, freeze-thaw stable and UV stable. | Durable, but stains, needs sealing and weathers unevenly. | Durable, though glaze can craze and grout lines discolour. |
| Fire | Level A1 — the highest non-combustible classification. | Non-combustible. | Non-combustible. |
| Construction | Cut with a knife, fixed with adhesive. Fast, dry, no specialist trade. | Heavy handling, wet cutting, mechanical fixing, slow. | Heavy handling, wet cutting, levelling systems, slow. |
| Cost to install | Low. No frame, no structural allowance, less labour on site. | High. Support frames, skilled masons, longer programme. | Relatively high. Levelling, grouting and a longer programme. |
| Logistics | Rolls flat. A truck carries many times the covered area. | Very heavy. High freight cost and breakage in transit. | Heavy and fragile. Breakage allowance built into every order. |
| Expressiveness | Imitates stone, wood, grain, fabric and metal, with real relief. | Excellent depth, but limited to the colours the quarry yields. | Good flat colour, but printed depth reads flat at close range. |
Safety
- Flexible clay (MCM)
- Light and thin — nothing heavy enough to shed off a high-rise elevation.
- Natural stone
- Slabs can work loose and fall. Needs mechanical fixing above low level.
- Ceramic tile
- Tiles can debond and fall. Same fixing constraint as stone.
Environment
- Flexible clay (MCM)
- Recyclable. No quarrying, no deforestation, no kiln firing.
- Natural stone
- Quarrying and site clearance, with heavy extraction impact.
- Ceramic tile
- High-temperature firing means high CO₂ and significant waste.
Durability
- Flexible clay (MCM)
- Weather resistant, anti-fungal, freeze-thaw stable and UV stable.
- Natural stone
- Durable, but stains, needs sealing and weathers unevenly.
- Ceramic tile
- Durable, though glaze can craze and grout lines discolour.
Fire
- Flexible clay (MCM)
- Level A1 — the highest non-combustible classification.
- Natural stone
- Non-combustible.
- Ceramic tile
- Non-combustible.
Construction
- Flexible clay (MCM)
- Cut with a knife, fixed with adhesive. Fast, dry, no specialist trade.
- Natural stone
- Heavy handling, wet cutting, mechanical fixing, slow.
- Ceramic tile
- Heavy handling, wet cutting, levelling systems, slow.
Cost to install
- Flexible clay (MCM)
- Low. No frame, no structural allowance, less labour on site.
- Natural stone
- High. Support frames, skilled masons, longer programme.
- Ceramic tile
- Relatively high. Levelling, grouting and a longer programme.
Logistics
- Flexible clay (MCM)
- Rolls flat. A truck carries many times the covered area.
- Natural stone
- Very heavy. High freight cost and breakage in transit.
- Ceramic tile
- Heavy and fragile. Breakage allowance built into every order.
Expressiveness
- Flexible clay (MCM)
- Imitates stone, wood, grain, fabric and metal, with real relief.
- Natural stone
- Excellent depth, but limited to the colours the quarry yields.
- Ceramic tile
- Good flat colour, but printed depth reads flat at close range.
Highlighted cells mark the rows where flexible clay has a clear advantage. Durability and fire are deliberately not highlighted — all three materials perform well, and claiming otherwise would not survive contact with a consultant.
Reading the table
What the rows mean in practice.
Four of these deserve more than a table cell.
Safety is really about height
At ground level, a stone slab that debonds falls a metre onto a flowerbed. At the fourteenth floor it is a different conversation entirely, and it is why stone rainscreens above low level carry mechanical fixing — the adhesive is not trusted on its own. A 3mm sheet weighing 4.5 kg/m² has no stored energy worth designing for, which is why the fixing schedule for a flexible cladding is one line long.
Cost means installed cost, not rate
Comparing material rates per square metre is the most common mistake in this decision. The rate is the smaller half. A stone specification also buys a support frame, mechanical fixings, structural checking on a retrofit, skilled masons, wet cutting facilities, breakage allowance, and a longer programme with the following trades held up behind it. Ask for installed cost including preliminaries and the gap usually widens rather than narrows.
Logistics compound
Stone at 60 kg/m² means a truck carries roughly a tenth of the covered area that the same truck carries in flexible sheets. On a single-building project that is a freight line item. On a rollout across five cities it changes the distribution model — and it removes the breakage allowance that every stone order carries.
Expressiveness cuts both ways
Flexible clay can imitate stone, timber, concrete, fabric and rusted steel, and can do it with genuine physical relief rather than a print. What it cannot do is be quarried marble. If the value of the wall is provenance — a heritage restoration, a stone merchant's own showroom — then no amount of surface fidelity substitutes, and a real stone veneer is the right specification.
Choosing
A short decision guide.
Choose natural stone
When provenance is the point, the geometry is flat and orthogonal, the structure has capacity, and the programme has room for a wet trade.
Choose ceramic tile
When flat colour and a wipeable, chemically inert surface matter more than depth — laboratories, commercial kitchens, sanitary areas with heavy cleaning regimes.
Choose flexible clay
When there are curves, when it is a retrofit, when the programme is short, when wet cutting is banned, or when the finish has to carry into a wet area. The seven cases.
Get a quote
Comparing against a stone quote?
Send us the stone specification and the area. We will price the equivalent in flexible clay and set the two out side by side, installed cost included.
Request a quote
Send us the area, the substrate and the finish you have in mind. We reply with shade options, a written price and a lead time — usually the same working day.
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Get a quote
Send us the wall. We'll send back a quote.
Tell us the area, the substrate and the finish you have in mind. We reply with shade options, a written price and a lead time — usually the same working day.
- Thickness
- 2.5–3.5 mm
- Weight
- ~4.5 kg/m²
- Fire rating
- Level A1
- Min. bend dia.
- 381 mm (15 in)