Cerdomus - Alma Onice - Porcelain Slab 4'x9'

Description

Cerdomus Alma Onice Porcelain Slab — Marble-Look Porcelain from Italy

The Cerdomus Alma Onice Porcelain Slab is a large-format 4’x9′ marble-look porcelain slab from Italy, engineered for high-impact installations where a single, uninterrupted surface matters most — countertops, vanity tops, full-wall cladding, fireplace surrounds, and architectural features. Its warm honey-amber with translucent veining reminiscent of natural onyx captures the look of the prized banded onyx stones used in classical and Art Deco interiors, brought into modern porcelain performance. This product is special order only — please contact Procida Tile for current availability, lead times, and to coordinate delivery.

About the Alma Collection by Cerdomus

The Alma collection by Cerdomus is a curated journey through the world’s most prized marbles — sourced from exclusive quarries in Italy and the Middle and Far East, then reinterpreted in porcelain through high-definition digital ceramic technology. White, in all its unexpected shades, is the protagonist of the collection. Manufactured by Cerdomus in Castel Bolognese, Italy (a family-owned ceramics maker since 1969), Alma is offered in coordinated sizes and finishes so Onice can be installed alongside its sibling marbles for layered, designer interiors.

Design Notes — Why Specify Onice

The soft, glowing tonal range gives it exceptional versatility — striking enough for feature walls, gentle enough for full floors. Pair Onice with neutral cabinetry and warm wood for residential softness, or with matte black fixtures and brushed brass for a more architectural, contemporary statement.

Installation & Applications for Cerdomus Alma Onice Porcelain Slab

The 4’x9′ (approx. 48″x111″) slab format is intended for fabrication-grade applications: countertops, vanity tops, kitchen islands, full-height shower walls, fireplace surrounds, exterior cladding, and large-format flooring where minimal grout joints are desired. At 6mm thickness, the slab is lightweight enough for wall and countertop fabrication yet engineered to porcelain performance standards. Installation requires experienced large-format fabricators and installers — Procida Tile can recommend qualified pros in the Northeast US.

Technical Specifications

• Material: Porcelain (BIa, full-body porcelain stoneware)
• Finish: Matte
• Look: Marble — Onice
• Nominal Size: 4’x9′ slab (120×280 cm (approx. 48″x111″))
• Thickness: 6 mm
• Edge: Rectified
• Shade Variation: V3 (Moderate)
• Application: Interior & Exterior — Floor, Wall, Countertop, Vanity, Cladding
• Water Absorption (EN ISO 10545-3): ≤0.5% (BIa — fully vitrified)
• Frost Resistance (EN ISO 10545-12): Passes — suitable for exterior
• Stain Resistance (EN ISO 10545-14): Class 5 (highest)
• Chemical Resistance (EN ISO 10545-13): Resistant to acids, alkalis, and household chemicals
• Standard: UNE-EN 14411 / ISO 13006 compliant, CE marked
• Certifications: Ceramics of Italy, LEED contribution
• Country of Origin: Italy (Cerdomus, Castel Bolognese)
• Lead Time: Special order only — contact Procida Tile for availability

Manufacturer reference: View the full Alma collection on Cerdomus.