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Large-format porcelain slabs: the Infinity project guide
Premium American projects require surfaces that run continuously across the space: monolithic kitchen islands, floor-to-ceiling walls, custom tables and furniture, façades. Infinity answers with a material engineered for those destinations. This guide sets out how an Infinity slab enters a project, from format and thickness through finish, application and the specification path in the United States, guided by the company’s Project Division.
- What is a large-format porcelain slab, and what does it change in a project? →
- How are Infinity porcelain slabs made? Technology as matter →
- Performance and durability: what the material guarantees →
- What sizes do porcelain slabs come in? The 160 x 320 cm (63"x127") format →
- How thick are Infinity's porcelain slabs? 6, 12 and 20 mm (¼", ½", ¾") by application →
- Finishes and effects: how the material reads in the space →
- Where are Infinity porcelain slabs used? One material, many destinations →
- Infinity in North America: showrooms, partners and projects →
- Specifying Infinity porcelain slabs in the U.S.: from sample to fabricator →
- Frequently Asked Questions →
Large-format porcelain slabs are engineered porcelain surfaces produced in sizes up to 160 x 320 cm (63″x127″) and in 6 mm (¼”), 12 mm (½”) and 20 mm (¾”) thicknesses. Infinity slabs, designed and produced in Italy from 100% natural minerals sintered at 1,230 °C (2,246 °F), are color-stable with very low water absorption and through-body veining, and are specified for floors, walls, kitchen countertops with invisible induction, custom furniture, outdoor kitchens and ventilated facades in premium residential and contract projects.
Specification Infinity large-format porcelain slabs Maximum format 160 x 320 cm (63″x127″) Thicknesses 6 mm (¼”) · 12 mm (½”) · 20 mm (¾”) Composition 100% natural minerals, free of glues and resins, sintered at 1,230 °C (2,246 °F) Technology Natura-Vein Tech and Natura-Body Tech (through-body veining) Finishes Matte · Satin · Polished · Levigato Pearl · Patinated · Glam · Shantung · Super Natural · Full Grain Applications Floors, walls, countertops and invisible induction, tables and furniture, outdoor, ventilated and bonded facades Documentation EPD, Declare label, GREENGUARD Gold, ISO 14001 / 45001 / 17889-1; contributes to LEED Origin Designed and produced in Italy – Gruppo Concorde What is a large-format porcelain slab, and what does it change in a project?
A large-format porcelain slab is an engineered porcelain surface produced in dimensions up to 160 x 320 cm (63″x127″) rather than in tiles. The scale is what changes the project. Instead of resolving a surface as a grid of modules, the slab is placed the way a stone bench or a panel of joinery would be placed.
The result is a coherent material palette that can carry through an entire scheme, without the surface changing identity along the way. Large format porcelain slabs are what make the total look possible at architectural scale, with seamless surfaces that read as single-material interiors rather than as a sequence of separate elements.
Porcelain slabs or porcelain tiles: a question of format
The difference is the format. A slab covers a whole wall, island or tabletop in one piece with minimal joints, while a tile is a small module laid with many joints. Same material, a different scale of design.
How are Infinity porcelain slabs made? Technology as matter
Infinity Surfaces is an Italian manufacturer of large-format porcelain, and every slab is Made in Italy at the Pavullo (MO) plant. Infinity porcelain slabs are made of 100% natural minerals, free of glues and resins, pressed and sintered at 1,230 °C (2,246 °F). The same essential elements found in granite are brought together at that temperature into a new compact material: porcelain stoneware.
Natura-Vein Tech and Natura-Body Tech carry vein and color through the full thickness, so cut edges, mitered corners and book-matched joints keep the same design.
The process in four steps
Minerals
Quartz, feldspars, clays and kaolins are selected from controlled quarries, then purified and atomized.
Pressing
The powders are compacted under high pressure, with colored layers combined in the body of the slab.
Decoration and veining
Graphic design and mineral sedimentation are applied together, so the pattern belongs to the mass and not only to the surface.
Sintering and rectification
Firing at 1,230 °C (2,246 °F) creates the finished body, which is then rectified to the standard format.
Natura-Vein Tech and Natura-Body Tech
Natura-Vein Tech is the innovation developed by Infinity’s technicians to obtain veined slabs. During production, the technology recreates a controlled sedimentation of minerals through the entire thickness of the slab, achieving perfect consistency between surface and body. The veining pattern is completely random, so every slab is unique. Natura-Vein Tech is applied in the 12 mm (½”) and 20 mm (¾”) thicknesses.
Natura-Body Tech is the exclusive technology developed for full-body slabs, marked by the same coherence between surface aesthetics and the material of the product. Mineral flakes of different grain sizes are included in the body in shades and dimensions consistent with the texture, and these slabs can also be honed on the back, which opens up fabrication solutions that would otherwise be closed.
Performance and durability: what the material guarantees
Infinity porcelain slabs are engineered to hold their design over time. Infinity porcelain slabs are color-stable over time, have very low water absorption, resist scratches, heat, impacts and chemicals, are suitable for food contact on kitchen tops and stay easy to clean across every application.
Property Relevance in the project Color stability No color alteration over time, indoors and in direct sunlight Very low water absorption Surfaces that stay easy to clean in kitchens, bathrooms and outdoor settings Frost resistance Outdoor paving and exposed counters through cold seasons Heat resistance Interior wall coverings, including fireplace surrounds Scratch and abrasion resistance Floors and working surfaces in residential and contract use Suitable for food contact Kitchen countertops and preparation areas Workability Cutting, shaping and drilling by the fabricator Full certified values are available among Infinity’s technical documentation.
Sustainability and documentation
For Infinity, sustainability is a concrete industrial commitment measured in the process. All raw production waste is returned to the production cycle and all water used is purified and reused in grinding. Over 20,000 sqm of photovoltaic panels for 4,600 kWp installed generate 80% of the electricity used by the plant.
On the documentation side, Infinity supports design choices oriented toward sustainable buildings through EPD (Environmental Product Declaration), the Declare label, GREENGUARD Gold (zero VOC emissions), DNV certification and ISO 14001, ISO 45001 and ISO 17889-1, alongside the EcoVadis ESG rating. Infinity slabs can contribute to LEED certifications, with credits depending on each project, and the supporting documentation is available on request.
What sizes do porcelain slabs come in? The 160 x 320 cm (63″x127″) format
The Infinity format is 160 x 320 cm (63″x127″), the size that covers a full-height wall, a long kitchen island, a dining table top or a facade panel in one piece. Smaller formats are cut from the same slab, so every piece shares the technical features and material language of the original.
Designing with the full slab: walls, islands, tables, facades
A wall of standard ceiling height is usually resolved with one or two slabs set vertically. A ten-foot island can be topped by a single piece with the waterfall panels cut from the same slab, so the vein runs from the top down to the floor. A dining table for eight sits comfortably within one slab, with the remainder available for a matching console or a backsplash.
In the project: in the renewed apartment at The Paddock condominium in British Columbia, Canada, designed by Justin Tse, Infinity slabs in Calacatta Magnifico and Pietra Grey carry the same material language across the interior, which is exactly what the full slab makes possible.
How thick are Infinity’s porcelain slabs? 6, 12 and 20 mm (¼”, ½”, ¾”) by application
Infinity porcelain slabs come in three thicknesses: the 6 mm (¼”) slab is used for wall coverings, residential and commercial floors, ventilated facades and furniture, and for installation over existing surfaces in renovations.
the 12 mm (½”) slab covers floors, countertops and tables, while the 20 mm (¾”) slab is specified for outdoor applications and thick-edge tops.
Thickness is chosen by application rather than by look: edges can be built up so that a thinner slab reads as a solid, thick top.
Thickness by application
Thickness Specified 6 mm (¼”) Vertical coverings, residential and commercial floors, ventilated facades, furniture, glass-bonded tables (8 mm glass + 6 mm slab), installation over existing surfaces in renovation 12 mm (½”) Floors, kitchen and bathroom countertops, tables 20 mm (¾”) Exposed outdoor tops, islands, thick-edge applications Weight and handling: what 6 mm (¼”) changes in the project
At 6 mm (¼”) the slab becomes light enough to change the logic of a renovation. Infinity’s 6 mm porcelain slabs are suitable for installation over existing surfaces, which means a floor or a wall can be renewed without demolition, without the debris, and without the schedule that demolition brings with it. For the American remodeling market, where occupied residences and tight construction windows are the norm, that single property often decides the specification.
The reduced thickness also keeps mechanical resistance and workability intact. Slabs are cut to size, drilled and shaped by the fabricator, and the lighter panel is simpler to handle on upper floors and in buildings without freight access.
Edges: mitered, built-up and waterfall
Infinity slabs allow shaped edges, and three of them define the look of a top. A mitered corner joins two pieces cut at 45 degrees so the top and the side read as one mass. A built-up edge stacks the profile to a deeper perceived thickness, giving a thinner slab the presence of a monolithic top. A waterfall carries the surface down the end of the island to the floor. All three work because the design continues through the body of the slab: the vein does not stop at the cut.
Book-matching and vein continuity
Book-matching mirrors two slabs along a shared edge so the veining opens symmetrically across a wall or a countertop. It is possible because the drawing continues through the body of the slab, which means the mirrored joint holds at the cut and at the miter.
Finishes and effects: how the material reads in the space
Infinity porcelain slabs come in many finishes — Matte, Satin, Polished, Levigato Pearl, Patinated, Glam and the new Shantung, Super Natural and Full Grain — and in a range of aesthetic languages that includes marble, onyx, stone, concrete and material effects, metal and solid colors.
Finish and effect are generally chosen together, because the same surface reads differently in matte light and in polished light.
Choosing the finish
Finish Character Matte Natural, contemporary look; soft-touch surface that reduces reflections and enhances the graphic details of stone- and cement-effect collections Satin Exclusive Infinity finish: soft, refined surface with delicate reflections that enhance the graphic details of the collections Polished Mirror-like, deep gloss that accentuates the graphic detail of marble-effect collections; recommended for wall cladding and furniture Levigato Pearl Matt surface with extraordinary smoothness and a natural look; faint semicircular marks make every slab unique Patinated Warm, subtly textured surface reminiscent of stone and concrete gently aged by time; ideal for kitchens and open-plan living Glam Bright, iridescent particles that return light to the room Shantung A pearlescent and iridescent effect that responds to changing light Super Natural It highlights surface details, giving them a multisensory dimension Full Grain Graphics acquire physicality and three-dimensional depth 
Surface effects: the aesthetic languages of Infinity
Marble effect
Luminous grounds and veining with real direction, drawn to be read across a full slab rather than in a sample. Calacatta Viola sets a crisp ground against dense, irregular veining and belongs to the Levigato Pearl range.
Onyx effect
Depth and translucency, surfaces that seem to hold light rather than reflect it, suited to vanities, feature walls and bar fronts. Onyx White is the reference.
Stone effect
Italian travertine-look porcelain slabs and characterful stones, quieter grounds with a strong tactile presence. The travertine look is among the most requested in U.S. projects, and Infinity answers it with the layered, warm register of the original, from the classic travertine surfaces to Travertino Dust, the new ARKÈON interpretation in Full Grain finish, where the layers and cavities of the stone become delicate micro-reliefs. Taj Mahal and Iconic Cipollino sit at opposite ends of that register.
Concrete and material effects
Textured surfaces for interiors that seek calm rather than pattern. Concrete Light is the warm-neutral option that anchors an open-plan scheme; for the full palette, see our guide to warm neutral porcelain slabs for open-plan living.
Metal effect
Oxidation reads as a finish, with the depth of a weathered plate. Metal Corten is the most architectural of the group.
Solid color effect
Absolute White and Absolute Black hold a scheme together where the design asks for a field of pure color.
ARKÈON: Infinity’s material research for the project
ARKÈON is the new Infinity’s design framework: an open system that brings together a selection of 160 x 320 cm (63″x127″) surfaces dedicated to architecture, interior design and the contract sector. Developed through external collaborations and the in-house research of Infinity Lab, the brand’s research and development hub, these surfaces are conceived to interpret space and answer complex design needs. Its founding expressions – Fossil, Sandstone, Plaster and Fragmentis – and the Cut and Drape textures bring this research to the surface as tactile matter, read with the fingertips as much as with the eyes.
At Cersaie 2026 the collection expands with five new interpretations by Infinity Lab. Nacra arrives in three expressions – Steel, Titanium and Bronze – enhanced by the new Shantung finish, a pearlescent iridescence that shifts in tone and depth with the angle of view. Travertino Dust translates the layers and cavities of travertine into delicate micro-reliefs, and Arabescato Nabuk reinterprets the grey-blue veining of the Apuan marbles: both in the new Full Grain finish, which gives the surface a physical, three-dimensional relief. Discover the new ARKÈON surfaces.
Where are Infinity porcelain slabs used? One material, many destinations
One slab, many destinations: floors, walls, kitchen countertops with invisible induction, bathrooms, tables and custom furniture, outdoor kitchens and ventilated facades. The same surface and the same design move through the whole project, with the thickness chosen for each use.
Kitchen countertops and islands
Porcelain kitchen countertops are among the most requested destinations of the large format. Specified in 12 mm (½”) and 20 mm (¾”) thicknesses, Infinity porcelain slabs are suitable for food contact, easy to clean and resistant to everyday use. The 320 cm (127″) length covers most island runs in one piece, and waterfall panels or a built-up edge give the top the presence of a solid without the weight of one.
The seamless kitchen: invisible induction through the slab
An invisible induction cooktop places the heating elements beneath the slab, so cookware heats through the surface and the induction countertop stays continuous with no visible burners. For a designer, it removes the last object interrupting the island. The countertop itself does not heat; this is an indoor application.
Walls and wall coverings
At 6 mm (¼”), a full-height wall is resolved with one or two slabs and almost no joints, including over existing wall coverings in a renovation. This is where book-matching does its most visible work.
Flooring
Residential and commercial floors are specified in 12 mm (½”) and in 6 mm (¼”) thicknesses, the latter also over existing floors. Matte finish is the usual choice, both for continuity with wall coverings and outdoor paving and for the anti-slip finishes available for walkable surfaces.
Bathrooms: shower walls and vanity tops
In bathroom applications, shower walls, vanity tops and integrated basins can all be drawn from the same slab, which is what turns a bathroom into a single monolithic volume.
Tables and custom furnishing
A porcelain table top is among the most established Infinity applications in North America, alongside custom furniture elements. All three thicknesses are used, with 6 mm (¼”) bonded to glass for tabletops (8 mm glass plus 6 mm slab), and 12 mm (½”) or 20 mm (¾”) where the fabricator builds a mitered or thick edge.
Outdoor kitchens
Outdoor counters are specified in 20 mm (¾”) thickness. Infinity porcelain slabs are frost-resistant and show no color alteration in direct sunlight, which is what allows an exposed island to keep its design through a full year of seasons. Finish and effect are chosen to continue the language of the interior kitchen into the open air. Read more in our guide to outdoor porcelain countertops for summer kitchens.
Ventilated and bonded facades: the slab as architecture
Facades are where the slab moves from the interior to the envelope of the building. Infinity offers ventilated facade systems in which the slab is mounted on a substructure with a ventilated cavity behind it, and bonded facade systems for coverings applied directly to the wall, including over existing facades. Both are available in the 160 x 320 cm format and in 6 mm (¼”) and 12 mm (½”) thicknesses, and both require a system design covering substructure, fixings, wind loads and expansion, developed with Infinity’s Project Division.
Infinity in North America: showrooms, partners and projects
Infinity is present in the United States through partner showrooms across the country and through residential and contract projects supported by its Project Division.
Infinity also meets U.S. architects and interior designers at the industry’s key events, from Coverings to the Cruise Ship Interiors Expo in Miami.
North American projects give the clearest measure of what Italian porcelain slabs do inside a scheme. The renewed apartment at The Paddock condominium in British Columbia and residential work in California, from Newport Beach to Corona del Mar, show the same material carried across floors, wall coverings and furniture elements within a single scheme.
Specifying Infinity porcelain slabs in the U.S.: from sample to fabricator
In the U.S., architects and designers work with Infinity through its Project Division, its partner showrooms and a network of fabricators and stone professionals. Technical documentation, certifications and specification support are available for each project.
FAQ – Frequently Asked Questions
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What are large-format porcelain slabs?
Large-format porcelain slabs are engineered porcelain surfaces produced in sheets up to 160 x 320 cm (63″x127″) for floors, walls, countertops, furniture, outdoor use and ventilated facades.
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What sizes do porcelain slabs come in?
The largest Infinity format is 160 x 320 cm (63″x127″). Smaller formats are cut from the same slab and share the same design.
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How thick are porcelain slabs?
Infinity slabs come in 6 mm (¼”), 12 mm (½”) and 20 mm (¾”). The 6 mm slab is used for walls, floors, ventilated facades and furniture, including over existing surfaces in renovations. The 12 mm slab is used for floors, countertops and tables, and the 20 mm slab for outdoor kitchens and thick-edge tops.
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What is the difference between porcelain slabs and porcelain tiles?
The format. A slab covers a whole wall, island or tabletop in one piece with minimal joints and a continuous design, while a tile is a small module laid with many joints.
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Can porcelain slabs be used for kitchen countertops?
Yes. Infinity slabs in 12 mm (½”) and 20 mm (¾”) are suitable for food contact, easy to clean and can integrate invisible induction cooking through the surface.
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Can you cook on a porcelain slab countertop?
Yes. With Infinity’s invisible induction, the induction elements sit beneath the slab and heat cookware through the surface, leaving the countertop continuous and uninterrupted. It is an indoor application.
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Can porcelain slabs be used outdoors and on facades?
Yes. Infinity slabs are frost-resistant and color-stable in sunlight. The 20 mm (¾”) thickness is specified for outdoor counters, and large-format slabs are used in ventilated facade systems developed with the Project Division.
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What are Infinity porcelain slabs made of?
100% natural minerals, free of glues and resins, sintered at 1,230 °C (2,246 °F) and produced in Italy by Infinity, part of Gruppo Concorde.
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Where can architects in the U.S. see Infinity slabs?
Through Infinity’s partner showrooms and through the Project Division, which supports specification and samples on U.S. projects.
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Can porcelain slabs be installed over existing floors and walls?
Yes. The 6 mm (¼”) Infinity slab is suitable for installation over existing surfaces, so floors and walls can be renewed without demolition.
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Does Infinity make Italian travertine-look porcelain slabs?
Yes. Infinity’s stone-effect range includes travertine-look surfaces designed and produced in Italy in the 160 x 320 cm (63″x127″) format, joined at Cersaie 2026 by ARKÈON Travertino Dust in the Full Grain finish.
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