CERSAIE 2026 / ORNAMENT REPORT

At Cersaie, Art Deco Lost the Velvet Sofa and Kept the Geometry

September 23, 2026
By HAUS Editorial
4 min read

Keope explicitly turns Deco references into a modular mosaic system. Read beside ONIX's new metal-like glass and light-responsive finishes, it looks less like moodboard nostalgia and more like category behavior.

Art Deco lobby in Detroit with a polychromatic tile ceiling, geometric mosaic, stone walls, and metal details.
Historical analogy, not Keope product imagery: the 1929 Guardian Building shows geometry, mosaic, color, and metal operating as one architectural language. Photo by w_lemay, CC BY-SA 2.0, cropped.

Art Deco has spent much of its recent revival trapped inside moodboards. A scalloped chair. A brass bar cart. A sunburst mirror looking slightly embarrassed about the whole arrangement.

At Cersaie, Ceramiche Keope is making the explicit Deco argument through its modular porcelain system Fragments of Grace. ONIX does not call its presentation Art Deco, but its new glass mosaics explore metal-like effects, shine, transparency and changing light. HAUS reads that as a useful adjacent signal, not as ONIX's stated intent.

Two current systems do not prove that every bathroom in 2027 will look like the lobby of a very glamorous ocean liner. They do show geometry, reflective depth and metallic effects moving from editorial styling into products designed to be specified and installed.

Keope's explicit Deco system, read alongside ONIX's engineering of metallic effects and light response, shows how a cultural mood becomes specifiable product behavior.

Keope states the case

Keope describes Fragments of Grace, developed with designer and creative director Margherita Rui, as sitting between Modernist rigor and Art Deco influence.

That combination is important. Modernism contributes the repeatable system. Deco contributes visual richness, refraction and ornament. The collection does not require a velvet banquette, a fan-shaped lamp and a cocktail named after a dead novelist. It places the argument directly in the wall or floor.

Precise geometry, graphic interlacing, glazed backgrounds and metallic effects create ornament through the module itself. The decoration is not applied after the architecture. It is how the architecture is assembled.

Geometric 1924 Art Deco floor mosaic with interlocking bands in Prague's Adria Palace.
Historical analogy, not Keope product imagery: the 1924 Adria Palace floor turns repeated bands into an interlocking Art Deco field. Photo by Txllxt TxllxT, CC BY-SA 4.0, cropped.

A pattern becomes a system

The system includes Tressé, Domus, Avenue and Pince. Tressé builds a woven effect from rectangular elements. Domus uses bands, inserts and geometry that recall decorative floors, then brings that logic onto vertical surfaces. Avenue is more linear, with reflective accents placed inside a controlled grid.

Keope also contrasts very matte surfaces with glossy or metallic glazed inserts. That makes the pattern responsive rather than merely graphic. It can sharpen or soften as the light changes.

This is one reason mosaic is such a natural home for Deco thinking. A motif can be repeated without becoming flat. Every joint creates another edge for light, shadow and material contrast to negotiate.

Art Deco metro station with repeated arches, stainless-steel columns, marble surfaces, and illuminated ceiling mosaics.
Architectural analogy, not Keope product imagery: at Mayakovskaya, mosaic joins stainless steel, marble, arches, and light as a room-scale system. Photo by Jorge Lascar, CC BY 2.0, cropped.

ONIX treats light like a material

ONIX does not describe its release as Deco. Its Cersaie presentation nevertheless supplies a useful parallel through glass: two new finishes that reinterpret metal and light, plus a larger version of its circular Penny format.

The Metallic finish uses granules to produce controlled shine and texture. Oxide combines blue-green tones with copper-like effects. Metallum moves through gold, copper, silver, titanium and aluminum-gray colors. These are glass mosaics with metal-like visual behavior, not sheets of precious metal masquerading as bathroom tile.

The Lux finish is designed to intensify veining, transparency and contrast across several ONIX lines. Penny XL enlarges the circular unit to 50 millimetres. Together, they show mosaic being sold through what it does to light, not simply the color printed beside its name.

Ancient gold-glass mosaic bowl fragment with luminous metallic bands and dark glass sections.
Material analogy, not ONIX product imagery: this ancient gold-glass fragment shows how glass can carry a metallic signal through light rather than imitate sheet metal. The Metropolitan Museum of Art, CC0, cropped.

The signal is in the system, not the styling

The important manufacturer behavior is not a styled room with one fashionable reference. It is the conversion of that reference into repeatable choices a designer can actually specify.

Keope distributes its idea across four coordinated patterns and controlled matte, glossy and metallic effects. ONIX distributes light behavior across finishes and formats rather than one hero image. In both cases, the surface story has dimensions, combinations and installation consequences.

That is the point where an editorial trend becomes a category signal. The manufacturer has invested in a system that can leave the moodboard, enter a specification and repeat across real rooms.

Gold mosaic covering a curved church apse and changing in brightness across the vaulted surface.
Historical material analogy, not ONIX product imagery: gold mosaic at Bad Homburg shows how tesserae change collectively as light crosses a curved architectural field. Photo by T meltzer, CC BY-SA 4.0, cropped.

What HAUS is watching

The most useful lesson is how precisely these brands describe behavior. Keope names geometry, finish contrast and modular relationships. ONIX describes granules, transparency, veining and reflection. The products are presented through what they do, not only what color they are.

HAUS can bring the same rigor to its own mosaic stories. Show the pattern at room scale and at hand scale. Explain where light catches, how the repeat organizes the field and what the joints contribute. Separate a manufacturer's stated influence from our own cultural reading.

Parallax Noir makes the final point without requiring a period room. Its black-and-white geometry turns a floor into a visible system. The value is not that it can be labeled Deco. The value is that its behavior is specific enough to describe.

Parallax Noir black-and-white geometric mosaic floor in a pale contemporary bathroom.
Parallax Noir gives geometry the architectural job while the rest of the room stays quiet. HAUS.
A trend becomes a category signal when manufacturers give it dimensions, finishes and installation logic.
  • Modular ornament: Decoration generated through repeatable units rather than an applied one-off motif.
  • Light response: The way a surface changes through reflection, absorption, transparency and viewing angle.
  • Material contrast: A deliberate pairing such as matte and glossy, mineral and metallic, or solid and translucent.

Key Takeaway

The product-level signal is not universal adoption of Art Deco. It is that current mosaic systems are giving geometry, metallic effects and controlled light enough structure to be specified.

HAUS Translation

  • Describe the mechanics of a pattern and finish, not only the era it recalls.
  • Show every mosaic at room scale and close enough to see joints, depth and light response.
  • Keep manufacturer claims separate from HAUS interpretation so the story stays trustworthy.

S1: Ceramiche Keope Grace and Fragments of Grace | - Ceramiche Keope Grace and Fragments of Grace.

S2: Keope Fragments of Grace landing page | - Keope Fragments of Grace landing page.

S3: Keope Fragments of Grace 2026 catalogue | - Keope Fragments of Grace 2026 catalogue.

S4: ONIX at Cersaie 2026 | - ONIX at Cersaie 2026.

S5: ONIX glass mosaic formats | - ONIX glass mosaic formats.

IMG1: Wide view of the 1929 Guardian Building lobby with a polychromatic tile ceiling, geometric forms, mosaic, stone, and metalwork. | Hero | explicitly licensed/reusable | Creator: w_lemay | Original dimensions: 4032x3024 | Final dimensions: 1600x900 | Crop: 16:9 landscape | Asset class: topic-specific external | Parent identity: commons:file:Lobby,_Guardian_Building,_Griswold_Street,_Detroit,_MI_-_53027455695.jpg | Source | Editorial role: Establishes the article's larger thesis that Deco mosaic becomes convincing when geometry and material operate at room scale.

IMG2: 1924 Art Deco floor mosaic in the passage of Adria Palace in Prague, built from interlocking geometric bands. | Section 1 | explicitly licensed/reusable | Creator: Txllxt TxllxT | Original dimensions: 1600x1200 | Final dimensions: 1500x1200 | Crop: 5:4 landscape | Asset class: topic-specific external | Parent identity: commons:file:Praha_-_Narodni_trida_-_Passage_Adria_Palace_-_Floor_Mosaic_1924_Art_Deco_I.jpg | Source | Editorial role: Makes modular interlacing legible without claiming to show Keope's Tresse collection.

IMG3: Wide view of the Art Deco Mayakovskaya metro station, where ceiling mosaics, stainless steel, marble, light, and repeated arches form a complete interior system. | Section 2 | explicitly licensed/reusable | Creator: Jorge Láscar | Original dimensions: 5520x3680 | Final dimensions: 1500x1200 | Crop: 5:4 landscape | Asset class: topic-specific external | Parent identity: commons:file:Mayakovskaya_(Moscow_Metro)_(19343382734).jpg | Source | Editorial role: Shows how mosaic changes character when it becomes one component of a full architectural rhythm rather than a loose sample.

IMG4: Early second-century BCE gold-glass mosaic bowl fragment from The Metropolitan Museum of Art, showing glass producing a metallic visual effect. | Section 3 | public domain | Creator: The Metropolitan Museum of Art Open Access | Original dimensions: 3875x2424 | Final dimensions: 1500x1200 | Crop: 5:4 landscape | Asset class: topic-specific external | Parent identity: commons:file:Gold-glass_mosaic_bowl_fragment_MET_DP231271.jpg | Source | Editorial role: Provides a lawful, close material example of glass behaving visually like metal while keeping the ONIX claim in the text rather than mislabeling the image.

IMG5: Room-scale gold mosaic across the apse vault of the Church of the Redeemer in Bad Homburg, photographed under directional interior light. | Section 4 | explicitly licensed/reusable | Creator: T meltzer | Original dimensions: 7234x4828 | Final dimensions: 1500x1200 | Crop: 5:4 landscape | Asset class: topic-specific external | Parent identity: commons:file:Bad_Homburg_-_Erlöserkirche_-_Apsis_(3124).jpg | Source | Editorial role: Demonstrates scale, curvature, and changing light with real mosaic while avoiding an unlicensed Lux or Penny XL manufacturer image.

IMG6: HAUS Parallax Noir bathroom with a restrained pale room and a graphic black-and-white mosaic floor. | Section 5 | HAUS-owned | Creator: HAUS | Original dimensions: 3200x4000 | Final dimensions: 1500x1200 | Crop: 5:4 landscape | Asset class: HAUS installation | Parent identity: haus-installation:parallax-noir-12x12--07 | Source | Editorial role: Resolves the new Deco argument through a HAUS mosaic that relies on system, contrast, and repetition.

Make the geometry structural

Look past the moodboard. Ask what the surface system actually does.

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