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Both KMEW panels and large-format porcelain stoneware can be used as the outer cladding of a ventilated facade. Both allow durable, technically demanding architectural solutions, but they reach that result through different materials, formats and fixing systems.
The comparison becomes particularly interesting when the project needs to reduce loads, simplify installation, keep the fixing visually clean and work with a wide variety of finishes.
1. Comparison at a glance
| Criterion | KMEW | Porcelain | What it means for the project |
|---|---|---|---|
| Cladding weight | Ceradir V: approx. 15 kg/m². Filltect 16 mm: approx. 18 kg/m². | Highly variable: thin 6 mm porcelain can sit at around 14–15 kg/m²; 8–12 mm solutions can be around 20–30 kg/m². | A KMEW advantage over many 8–12 mm solutions; not over all thin porcelain. |
| Weight per piece | Narrow panels of 3000/3030 × 455 mm; approx. 20–25 kg per panel. | A large-format slab can exceed 45–100 kg before it is cut down, depending on size and thickness. | KMEW makes handling and logistics on the facade easier. |
| Concealed fixing | Dedicated clips working with the panel geometry; face fixing only at certain junctions, as set out in the manual. | Available, but often requires post-machining, undercut anchors, grooves, clips/hangers and fixing calculations. | Both can be concealed; KMEW integrates it more directly. |
| Installation | A repetitive sequence with starter bars, clips and accessories; a factory-finished panel. | System-dependent. Slabs may require cutting, post-machining, drilling/grooving and handling with suction cups. | KMEW tends to simplify the sequence. |
| Textures | Deep 3D relief: wood, brick, stone, stucco and linear patterns. | Excellent graphic reproduction of marble, stone, cement, metal and wood; matt, polished or structured surfaces. | KMEW: volume and shadow. Porcelain: graphic continuity. |
| Colours | A wide palette tied to designs and reliefs. | A very extensive palette; strong digital printing and veining capability. | Porcelain can offer greater graphic freedom; KMEW greater richness of relief. |
| Format | A narrow, repeatable modular format. | Very wide, from small formats to slabs over 3 m. | Porcelain offers greater freedom of size. |
2. Weight per m²: compare thickness and format, not just the name of the material
Weight is one of the points where commercial comparisons tend to be oversimplified. There is no single “weight of porcelain”: it changes significantly with thickness, format, backing reinforcement and the fixing system.
As a KMEW reference, Ceradir V 14 mm is around 15 kg/m² and Filltect 16 mm around 18 kg/m². In large-format porcelain there are thin 6 mm slabs at around 14–15 kg/m², while 8 mm products can approach 20 kg/m² and 12 mm products 30 kg/m².
| Reference product | Thickness | Approx. weight | Source format | Weight per piece / slab |
|---|---|---|---|---|
| KMEW Ceradir V | 14 mm | ≈ 15 kg/m² | 3000 × 455 mm | ≈ 20–21 kg |
| KMEW Filltect | 16 mm | ≈ 18 kg/m² | 3030 × 455 mm | ≈ 25 kg |
| Thin porcelain — XTONE example | 6 mm | ≈ 13.8–15.2 kg/m² | 1200 × 2700 / 1600 × 3200 mm | ≈ 45–78 kg for a full slab |
| Large-format reference, 8 mm | 8 mm | ≈ 20 kg/m² | up to approx. 3200 × 1440 mm | ≈ 93 kg standard slab |
| Large-format reference, 12 mm | 12 mm | ≈ 29–31 kg/m² | up to approx. 3200 × 1440 mm | ≈ 139 kg standard slab |
3. Handling and logistics on the facade
| KMEW | Porcelain |
|---|---|
| A manageable piece. The 3000/3030 × 455 mm format limits the weight of each unit. This makes internal transport, lifting onto scaffolding or a platform and installation by small teams easier, always following the safety instructions. | Large format. The large slab reduces the number of joints but increases handling demands. Manufacturers recommend appropriate tools and suction cups to avoid knocks, chipping and breakage. |
| Less weight does not always mean less structure. Sizing the subframe also depends on wind, modulation, building height, spans between supports and the anchoring system. | Cutting down in advance. A large slab can be cut into more manageable modules at the factory. This reduces the weight per piece but adds cutting operations and, in concealed systems, the associated machining. |
4. Concealed fixing: both can do it, but not in the same way
A clean facade with no visible screws or rivets is possible with both KMEW and porcelain. The difference lies in how that fixing is achieved.
| System | How it is fixed | Visual result | Implication |
|---|---|---|---|
| KMEW | The panel has an edge geometry designed to work with clips, starter bars and dedicated accessories. | The clips stay hidden behind the panel overlap across the facade field. | A repetitive sequence and a standardised system. |
| Porcelain with concealed anchoring | Many systems use conical undercut holes on the back face or machined grooves. Anchors, hangers/clips and horizontal profiles are then fitted. | Fully concealed fixing is possible. | A greater need for machining, dimensional control and calculation of anchor points. |
| Porcelain with visible fixing | Some systems use visible clips, clamps or rivets. | Simpler on certain projects. | The fixing element becomes part of the aesthetic reading. |
| Porcelain designed specifically for facades | Extruded pieces exist with their own hooking geometry, reducing post-machining. | Can come close to the installation logic of a dedicated panel. | Must be compared product by product. |
5. Ease of installation
KMEW is conceived as a system of serial panels. Installation is organised around a constant modulation, a starter bar, clips and accessories. The European manuals cover horizontal and vertical installation and describe specific procedures for corners, openings, joints and replacement.
With porcelain, ease depends heavily on the system chosen. A concealed-fixing solution with rear anchors may require panels cut and drilled or grooved with precision, the placing of hangers and horizontal profiles, and closer coordination between workshop and site.
| Step | Operation | KMEW | Porcelain |
|---|---|---|---|
| 1 | Delivery | A factory-finished panel and defined accessories. | Slab or cut pieces; machining to be confirmed. |
| 2 | Handling | A long, narrow piece of approx. 20–25 kg. | May require suction cups/lifting depending on the format. |
| 3 | Preparation | Occasional cuts and edge treatment according to the series/manual. | Cutting plus possible drilling, grooving or undercut. |
| 4 | Fixing | Starter bar + clips + accessories. | Visible clip, groove, undercut + hanger or another system. |
| 5 | Setting out | A repetitive 455 mm module. | Very flexible in size, but requires coordination of the cutting plan. |
| 6 | Replacement | A documented per-panel procedure. | Depends on the joint and the type of anchor. |
6. Textures: real volume versus graphic freedom
There is no absolute winner here. KMEW and porcelain offer two different design languages.
| KMEW | Porcelain |
|---|---|
| Three-dimensional relief. The material is formed with reliefs that reproduce wood, brick, stone, stucco or linear patterns. The depth casts real shadows and changes how the facade is perceived as the light moves. Strong where materiality is the goal. | Graphics and large format. Digital printing reproduces veining, marbles, cements, stones, metals and woods with great visual continuity. The large format reduces joints and favours monolithic compositions. Strong where continuity is the goal. |
| Controlled repetition. The catalogue combines relief, colour and geometry in factory-finished references. The narrow modulation creates a facade rhythm. | A bespoke cutting plan. The large slab makes it possible to cut different formats and adapt the composition to openings, axes and project geometry. |
7. Colour: two different strategies
Porcelain usually offers an enormous variety of graphics, veining, solid tones and matt, polished or textured finishes. It is particularly strong where the project calls for large surfaces with the appearance of marble, stone, cement or metal.
KMEW combines colour with three-dimensional relief. In Filltect, the finish also carries a photocatalytic ceramic coating that KMEW describes as resistant to colour loss from UV and with a cleaning function driven by light and rain.
8. Cuts, junctions and the risk of breakage
Both materials require a planned cutting layout. With KMEW, cuts are made with appropriate tools and dust control; the manual defines how to treat edges and junctions. With porcelain, especially in large formats, cutting and drilling require specific tools and procedures, and particular attention must be paid to arrises, corners and pieces with complex geometry.
This does not mean porcelain is a “fragile” material: it has high mechanical strength. The practical difference is its ceramic behaviour under point impacts and the need to protect edges and large pieces during handling and installation.
9. When might KMEW be the better choice?
- When reducing the load of the cladding matters, especially against 8–12 mm porcelain solutions.
- When it is preferable to work with pieces of approximately 20–25 kg rather than large slabs of much greater weight per unit.
- When concealed fixing integrated into a system of standard clips and accessories is the goal.
- When speed and repeatability of installation take priority.
- When the project calls for pronounced three-dimensional relief and real shadows.
- When wood, brick, stone, stucco or linear-pattern finishes are valued without relying solely on a flat printed surface.
10. When might porcelain be the better choice?
- When very large formats and a reduced number of joints are needed.
- When the project requires specific graphics, continuous veining or a very defined marble/stone appearance.
- When a thin porcelain slab achieves a weight comparable to, or lower than, certain KMEW panels.
- When the facade team already has command of a specific ceramic anchoring system.
- When the project needs bespoke formats derived from a large slab.
- When the visual continuity of a flat surface matters more than deep relief.
11. Conclusion
KMEW and porcelain do not compete on aesthetics alone. On a ventilated facade, the decision affects weight, the size of each piece, the fixing system, the preparation work and how installation is organised.
KMEW is particularly competitive where a light, industrialised and repetitive facade is the goal, with concealed clips and factory-made three-dimensional relief. Porcelain keeps a very strong position where large format, graphic continuity and enormous freedom of colours and surfaces take priority.
The right choice has to be made on the specific configuration: thickness, format, weight per piece, subframe, anchoring system, building height and architectural language.