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Citadel Ocean Reef Shellstone – Antique 24″ × 12″ is a format-and-finish combination that produces a specific and distinctive design quality within the Citadel Stone Ocean Reef range — one that neither the brushed 24″ × 12″ nor the larger antique-finish Ocean Reef Shellstone Slabs deliver in precisely the same way.
The 24″ × 12″ rectangular plank format establishes directional surface character — the strong two-to-one proportion creating horizontal flow in running bond and angular energy in herringbone that square formats and large slabs do not produce with the same intentionality. The antique finish introduces an entirely different surface quality to that same format — softened edges, gently worn surfaces, and the weathered organic character of stone that has aged through years of exposure — creating a tension between the format’s formal plank precision and the finish’s relaxed, aged informality that gives this product its specific and compelling design identity.
Where the brushed 24″ × 12″ is refined and formally resolved — the brushed surface complementing the plank proportion’s clean architectural directness — the antique 24″ × 12″ is warm and organically characterful, the softened edges and gently worn face giving the rectangular plank a quality of settled, lived-in authenticity that the more formally finished alternatives do not achieve. It is the specification for projects where directional plank paving and aged coastal warmth are both deliberate design intentions — not one or the other.
The antique finish is produced through mechanical tumbling — rotating pieces against each other and abrasive media in a controlled drum process that softens the sharp arrisses produced by diamond-blade cutting, rounds the corners and edges to an organic profile, and creates the gentle surface variations characteristic of stone that has been weathered over time. Unlike the brushed finish which opens the surface grain while retaining the piece’s cut-edge precision, the antique finish acts on the edges and corners — transforming the crisp rectangular plank into a piece whose boundaries are soft, organic, and tactilely warm rather than formally resolved.
On the 24″ × 12″ plank format specifically, this edge softening creates an interesting compositional dynamic when installed in running bond — the continuous horizontal lines of the course layout are present and directional, but they are defined by softened, organic edges rather than sharp cut arrisses, giving the installed surface a quality of composed informality that neither the brushed format’s crispness nor the square antique formats’ more equidimensional character produces in the same way. The plank format’s directional rhythm and the antique finish’s aged warmth combine into a surface that is simultaneously designed and naturally settled — architecturally intentional and organically characterful at the same time.
Antique Finish — Softened Edges, Aged Warmth on a Directional Format The tumbled antique process softens the 24″ × 12″ plank’s edges and corners to an organic, naturally worn profile — the long edges of the plank developing the gentle roundness that aged stone accumulates over years of weathering, and the short ends acquiring the slightly chipped, organically varied character that makes each piece individually distinct. The surface across the face retains gentle undulations and subtle variations from the tumbling process that add depth to the fossil limestone’s cream-ivory ground, and the combination of softened edges and varied face character makes the installed surface read as genuinely settled and aged from the day of installation.
The Plank-Antique Dynamic — Composed Informality The specific design quality that makes this format-finish combination distinct is the productive tension between the plank’s formal directional character and the antique finish’s organic warmth — the horizontal rhythm of the running bond course is present and architecturally intentional, but it is expressed through softened, naturally rounded edges rather than sharp cut arrisses, giving the surface a quality that is rare in outdoor paving: formally composed at the level of pattern, organically warm at the level of material detail. This quality suits the widest range of traditional, coastal, and Mediterranean outdoor design contexts — from formal pool terrace settings to relaxed coastal garden environments.
Fossil Content — Visible Across Every Antique Face Ocean Reef Limestone’s marine fossil content — shell fragments, coral structures, and compressed marine organisms — is visible across every antique-finished face, the tumbling process opening the surface slightly in a way that reveals fossil detail with a natural, unpolished clarity. Each 24″ × 12″ piece carries its own unique fossil distribution along its full plank length, making every installed course a continuous sequence of individually distinct geological pieces — a quality of biological individuality that no manufactured alternative replicates at this scale and format.
Warm Cream-to-Ivory Colouration The antique finish reveals Ocean Reef Limestone’s cream-to-ivory palette with a depth and warmth that the tumbling process’s surface action brings forward — the warm honey-cream and ivory tones of the fossil limestone appearing richer and more characterful across the antique surface than on flat-sawn or brushed alternatives, particularly in the softened edge zones where the tumbling action has selectively exposed the stone’s internal mineral colour variation.
Moderate Natural Traction The antique finish’s surface variations, softened edges, and gentle face undulations provide inherent moderate traction appropriate to standard residential outdoor paving, pool surround, and interior applications — adequate for normal foot traffic in wet conditions without the engineered precision of a bush-hammered surface or the more aggressive texture of split-face alternatives.
Sealing Essential As with every Ocean Reef Limestone product, penetrating sealer application is essential before installation and periodically throughout the service life. The antique finish’s slightly open, varied surface texture makes pre-grouting sealing particularly important — the tumbled surface’s micro-texture absorbs grout residue more readily than a smooth sawn surface. Annual resealing for pool surrounds and fully exposed outdoor applications.
| Property | Value |
|---|---|
| Material | Ocean Reef Limestone — compressed marine shell & coral fossil stone |
| Finish | Antique (mechanically tumbled — softened edges, rounded corners, aged surface) |
| Format | 24″ × 12″ rectangular plank |
| Edge Condition | Softened and rounded — organically aged profile |
| Colour Range | Cream, ivory, warm white — tan and beige natural variation |
| Fossil Content | Visible shells, coral fragments, compressed marine organisms |
| Surface Character | Gently varied — aged face, softened edges, moderate natural traction |
| Porosity | Moderate — penetrating sealer essential |
| Slip Resistance | Moderate — natural antique surface variation |
| Freeze-Thaw Performance | Moderate — sealing essential; warm climates preferred |
| Sealing | Required — before and after installation; annual for outdoor |
| Weight Advantage | Approx. 20–30% lighter than equivalent dense stone |
| Climate Suitability | Warm, tropical, subtropical optimal |
| Availability | Exclusive to Citadel Stone |
| Thickness | Application |
|---|---|
| 3/4″ (20mm) | Interior floors, wall cladding, sheltered outdoor |
| 1-1/4″ (30mm) | Standard outdoor paving — pool surrounds, patios, garden paths |
| 1.5″ (38mm) | Heavy-duty outdoor — driveways, heavily loaded surfaces |
| Custom | Project-specific requirements — contact Citadel Stone |
Coverage: Approximately 6 pieces per m² at standard 24″ × 12″ format with standard joint allowance. Allow 7–10% waste for antique finish — the softened, slightly irregular edges of the antique format require slightly wider joint allowance and create marginally higher cut-waste than precision-edged alternatives. Contact Citadel Stone for pattern-specific quantity calculations.
Driveways Ocean Reef Shellstone – Antique 24″ × 12″ in 1.5″ heavy-duty thickness creates residential driveway surfaces of warm coastal aged character — the antique finish’s softened edges and organic surface variation giving the plank format’s directional running bond a quality of settled, historically resonant warmth that precision-finished alternatives produce differently. The combination of the plank’s directional flow and the antique finish’s aged organic warmth is particularly effective in traditional, coastal, and Mediterranean residential settings where the arrival sequence should feel warmly established rather than formally precise or sharply contemporary. The antique surface’s moderate natural traction provides adequate grip for pedestrian driveway use, and in standard residential vehicular applications over a correctly prepared sub-base the limestone performs reliably at appropriate loading levels. Sealing at installation is essential — automotive fluid spills must be addressed promptly given the pale colouration’s visibility of staining and the limestone’s moderate porosity. Annual resealing is the minimum recommended frequency for driveway applications.
Patios & Terraces On outdoor terrace and entertaining surfaces, Ocean Reef Shellstone – Antique 24″ × 12″ creates the most warmly settled and organically characterful patio surface in the Ocean Reef rectangular plank range — the antique finish’s softened edges and aged surface variations making the terrace feel immediately established and lived-in, as though the space has accumulated its character through years of outdoor use rather than having been newly installed. In running bond parallel to the principal terrace axis, the plank format’s horizontal rhythm is present and compositionally intentional, but expressed through softened organic edges that read as comfortably informal rather than formally precise — the quality that makes this format-finish combination specifically appropriate for relaxed coastal entertaining terraces, garden courtyards, and pool terrace settings where comfort and warmth take precedence over architectural sharpness. Wide joints of 3/8″ to 1/2″ in warm-toned polymeric sand complement the antique finish’s organic character more naturally than tight joints with grey grout. Sealing is essential and must be maintained consistently.
Pool Surrounds & Coping The antique 24″ × 12″ format creates pool surround surfaces of warm, organically settled coastal character — the softened edge profile of the antique plank giving pool surround paving a quality of material warmth and gentle authenticity that precision-finished rectangular alternatives do not produce in the same way. The horizontal running bond of the plank format aligns naturally with the pool perimeter’s geometric edge, and the antique finish’s moderate natural traction provides adequate barefoot safety for standard residential pool surround applications. The manageable individual piece weight at 24″ × 12″ makes installation around pool curves and step transitions practical, and Ocean Reef Limestone’s thermal character — warm pale colouration reflecting heat rather than absorbing it — keeps pool surround surfaces comfortable underfoot in direct tropical and warm-climate summer sun. Sealing with a penetrating wet-area sealer is essential — annual resealing is non-negotiable in pool environments. Low-pressure washing at 800–1,200 PSI maximum protects the antique fossil surface during cleaning.
Garden Paths In garden path applications, Ocean Reef Shellstone – Antique 24″ × 12″ brings a quality of warm, organically settled coastal presence to landscape circulation routes — the antique finish’s softened edges integrating with planted garden environments with the natural ease of stone that has been in place for years rather than the slightly assertive crispness of newly cut precision-finished alternatives. In tropical gardens, coastal planting schemes, and Mediterranean-influenced garden compositions, the antique plank creates path surfaces whose fossil content, warm cream palette, and aged surface character read as organically part of the landscape — geological material expressed with natural ease in a setting that references its marine coastal origins. The plank format’s directional quality guides movement along the path axis while the antique finish’s organic warmth softens any sense of formal imposition, creating paths that feel both designed and naturally settled simultaneously. Sealing is recommended for all garden path applications.
Wall Cladding As a wall cladding material — on exterior courtyard walls, entrance feature surfaces, and interior feature elevations — Ocean Reef Shellstone – Antique 24″ × 12″ creates horizontally coursed wall surfaces of warm, aged fossil limestone character where the softened edges of the antique format create a subtle shadow depth at each joint line that smooth-faced sawn or brushed alternatives do not produce. The gentle roundness of the antique edge at the joint between courses creates a natural relief that animates the horizontal coursing lines of the 24″ × 12″ plank with soft shadow play under raking light — the wall surface reading as genuinely aged stonework rather than freshly clad contemporary surface. On interior feature walls and fireplace surrounds, the antique plank’s warm fossil character and organically aged quality create a surface of authentic coastal material warmth — particularly effective in settings designed around natural, traditional, or coastal material references where the antique finish’s aged character is an active design asset rather than a stylistic choice.
Interior Floors Inside, Ocean Reef Shellstone – Antique 24″ × 12″ creates interior floor applications where the plank format’s directional quality and the antique finish’s aged warmth combine in a specifically compelling way — the fossil limestone’s biological geological character expressed through a format and finish combination that reads as warm, settled, and authentically connected to coastal material traditions. In open-plan conservatories, coastal villa living rooms, tropical resort hotel corridors, and domestic entrance halls where the floor is a primary design element, the antique 24″ × 12″ plank creates a composed, directional floor of aged fossil coastal warmth — the horizontal plank rhythm providing architectural organisation while the antique finish’s softened edges and gently varied face create the comfortable, lived-in quality that distinguishes a warmly inhabited interior from a formally precise one. The slightly open antique surface texture provides moderate traction appropriate to domestic interior use. Sealing before and after installation is essential for all interior applications.
| Ocean Reef Shellstone – Antique 24″ × 12″ | Ocean Reef Shellstone – Brushed 24″ × 12″ | Ocean Reef Shellstone Slabs (Antique) | Tumbled Limestone (Standard) | Porcelain Plank (Antique Effect) | |
|---|---|---|---|---|---|
| Plank Format Directional Quality | ✅ Strong — softened antique edges | ✅ Strong — refined brushed edges | ❌ Large slab — different scale | ❌ Typically square | ✅ Plank available |
| Marine Fossil Character | ✅ Unique — visible fossil content | ✅ Unique — visible fossil | ✅ Unique — visible fossil | ⚠️ Minimal fossil content | ❌ Printed simulation |
| Aged Surface Character | ✅ Antique — softened, organically warm | ⚠️ Brushed — refined, not aged | ✅ Antique — larger format scale | ✅ Tumbled aged character | ❌ Manufactured simulation |
| Edge Condition | ✅ Softened — organic rounded profile | ⚠️ Precision cut — sharp edges | ✅ Softened — organic edges | ✅ Rounded — tumbled | ❌ Sharp — precision moulded |
| Slip Resistance | ✅ Moderate — antique surface variation | ✅ Moderate to good — brushed | ✅ Good — antique texture | ⚠️ Moderate | ✅ Good |
| Sealing Required | ⚠️ Yes — essential | ⚠️ Yes — essential | ⚠️ Yes — essential | ⚠️ Yes — essential | ✅ Not required |
| Exclusive Supply | ✅ Citadel Stone only | ✅ Citadel Stone only | ✅ Citadel Stone only | ❌ Widely available | ❌ Widely available |
| Composed Informality | ✅ Maximum — plank + antique | ⚠️ Refined — plank + brushed | ⚠️ Informal — large antique slab | ⚠️ Informal — square format | ❌ Manufactured |
Sealing — Essential A penetrating impregnating sealer formulated for pale fossil limestone is essential before installation — critically before grouting — and again after installation and jointing are complete. The antique finish’s slightly open, varied surface micro-texture absorbs grout residue readily if unsealed; on a cream-ivory pale limestone surface this contamination is both difficult to remove and visually conspicuous. Use a penetrating sealer appropriate for pale antique fossil limestone — products that do not darken the warm cream colouration or create a surface film that fills the antique finish’s natural surface variation. Annual resealing for pool surrounds and fully exposed outdoor applications; every one to two years for interior floors; every two to three years for sheltered outdoor terraces.
Joint Width & Grout Selection Wider joints of 3/8″ to 1/2″ complement the antique finish’s softened organic edges more naturally than the tight joints appropriate for precision-cut formats — the slightly varied edge profile of the antique plank makes consistent tight jointing more difficult to achieve on site and visually inconsistent with the finish’s organic character. Warm-toned grout in sand, buff, or warm grey integrates with the cream-ivory fossil palette more naturally than cool grey or white grout. For outdoor applications, polymeric sand in the wider joint width is the most practical joint fill specification.
Routine Cleaning pH-neutral stone cleaners only — acidic products etch limestone and dissolve fossil calcium carbonate content irreversibly. For outdoor surfaces, low-pressure washing at 800–1,200 PSI maximum — the antique finish’s softened edges and varied face texture are more vulnerable to high-pressure mechanical damage than precision-cut sawn surfaces. Address spills promptly given the pale colouration and moderate porosity.
Embracing Natural Development The antique finish’s aged character continues to develop with outdoor exposure — the natural weathering process that the mechanical tumbling initiates continues in service, gradually deepening the surface’s character and integration with the landscape environment. This is a positive ageing characteristic specific to antique-finish limestone that manufactured materials cannot replicate — maintain the sealing programme to protect against staining, and allow the natural weathering development to proceed as a design asset rather than a maintenance concern.
How does this differ from Ocean Reef Shellstone – Brushed 24″ × 12″? Both products share the 24″ × 12″ rectangular plank format and Ocean Reef Limestone material. The distinguishing element is the finish and its consequences for the installed surface’s character. The brushed finish retains the plank’s precision-cut edges and provides a softly refined, naturally matte surface — more formally resolved and appropriate across the widest range of design contexts. The antique finish softens the plank’s edges and corners through tumbling, adding an organic, aged warmth to the format that the brushed finish does not produce — more appropriate for relaxed coastal, Mediterranean, and traditional design settings where the aged character is an active design asset. Both require sealing and share the same application versatility — the choice between them is primarily one of design tone: refined and crisp versus warmly aged and organic.
How does this differ from Ocean Reef Shellstone Slabs in antique finish? Both are Ocean Reef Limestone in antique finish, but at different scales and formats. Ocean Reef Shellstone Slabs are large-format architectural slab pieces — up to 36″ × 36″ and beyond — suited to large-area installations where the slab scale and minimal joint frequency are the primary design considerations. Ocean Reef Shellstone – Antique 24″ × 12″ is a specific rectangular plank format that adds directional running bond character, herringbone capability, and the practical weight and handling advantage of the 24″ × 12″ unit scale to the same antique finish. For projects where the directional plank quality is a design objective, the 24″ × 12″ antique format is the more purposeful specification; for projects where large seamless slab scale is the priority, the Shellstone Slabs antique range is more appropriate.
Can it be combined with Ocean Reef Shellstone – Brushed 24″ × 12″ within the same project? Yes — both products share the same exclusive Citadel Stone quarry source, ensuring complete material and colour coherence between finish variants. The antique 24″ × 12″ can be combined with the brushed 24″ × 12″ for finish-zoning within the same project — antique finish in relaxed outdoor entertaining and garden areas, brushed finish in more formally resolved architectural zones — while maintaining complete material consistency in the same plank format throughout.
Is the antique finish more or less durable than the brushed finish? Both finishes share the same underlying Ocean Reef Limestone material performance — the finish treatment affects surface character and traction, not the stone’s structural integrity or service life. The antique finish’s softened edges are marginally more susceptible to corner chipping under impact loading than precision-cut alternatives — a consideration for high-traffic commercial applications but not a significant concern for standard residential outdoor use. For commercial applications with intensive pedestrian traffic or vehicular loading, contact Citadel Stone for guidance on whether the antique or sawn finish is the more appropriate specification for the specific loading and use intensity.
What is the recommended joint width for the antique 24″ × 12″ format? The antique finish’s softened, organically varied edge profile is most naturally complemented by wider joints of 3/8″ to 1/2″ — the slight variation in the softened edge along each plank’s length makes consistent tight-jointing more difficult to achieve on site than with precision-cut formats, and the wider joint reads as more visually appropriate to the antique finish’s organic character. Warm-toned polymeric sand for outdoor applications; sanded natural stone grout in warm tones for interior floors.
Exclusive Quarry Source — Ocean Reef Shellstone – Antique 24″ × 12″ is available only through Citadel Stone, sourced from the exclusive quarry formation producing this marine fossil limestone. Complete material coherence guaranteed across all Ocean Reef format and finish variants within a single project.
Format-and-Finish Expertise — Citadel Stone supplies Ocean Reef Shellstone in specific format-and-finish combinations — each product representing a deliberately considered pairing of format character and surface quality rather than a generic size option. The antique 24″ × 12″ is the specific pairing of directional plank format and aged organic finish character — a considered product identity within the broader Ocean Reef range.
Fossil Quality Assessment — Every piece is individually assessed for fossil content quality, antique finish consistency, edge softening quality, dimensional accuracy, and colour uniformity before despatch. The geological character and aged finish quality that define this product’s value must be consistently present across every piece supplied.
Antique-Specific Installation Guidance — Joint width recommendations, grout selection, waste allowance calculation for the antique format’s slightly irregular edge profile, sealing product selection for pale antique fossil limestone, and pattern-specific installation advice — provided as standard for every project enquiry.
Nationwide Delivery — Reliable shipping across the continental United States with specialist packaging to protect antique-finished fossil surfaces and softened edge profiles throughout transit.
Specify genuine Ocean Reef Limestone in the directional 24″ × 12″ plank format with the warmth of an antique finish — for coastal, tropical, and warm-climate projects where aged organic character, fossil authenticity, and plank format direction define the design intention.
Request a Free Consultation — Our team provides format and finish selection guidance across the full Ocean Reef range, pattern layout recommendations, joint specifications, sealing protocols, quantity calculations, and detailed project quotes for residential and commercial applications at any scale.
Trade & Professional Support — Architects, landscape designers, pool builders, and contractors receive dedicated account support, competitive trade pricing, full technical data, and coordinated project delivery.
Request a Free Sample — Assess the antique surface character, softened edge profile, fossil content, and warm cream colouration before specifying. Contact Citadel Stone to arrange your complimentary sample.
Product specifications and pricing are subject to change. Contact Citadel Stone for current stock availability and project-specific recommendations.
The Ocean Reef Shellstone Antique 24″ × 12″ adds a unique texture and a sense of age, providing a weathered, yet elegant appearance that complements a variety of architectural styles. Whether you are crafting a serene outdoor oasis or a bustling entertainment area, Ocean Reef Shellstone Antique 24″ × 12″ offer the perfect combination of style, strength, and versatility.
Price: $2.30 per sq. ft.
Total: $2.30