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Citadel Ocean Reef Shellstone – Brushed 24″ × 12″ is a format-specific product within the Citadel Stone Ocean Reef range — the rectangular plank proportion and brushed surface finish combining to create a distinctly directional, architecturally considered surface character that the square and multi-size formats in the Ocean Reef family do not produce.
The 24″ × 12″ proportion — two-to-one length-to-width — creates a strong linear quality when installed in running bond or parallel rows, establishing visual direction and architectural flow across paved surfaces that draws the eye along the length of a pool surround, terrace, or driveway approach with deliberate compositional intention. Laid perpendicular to the primary viewing direction, the same format creates a crosswise rhythm that emphasises the width and breadth of a surface. This directional versatility — the ability to control spatial reading through laying pattern — is the specific design advantage of the rectangular plank format over square alternatives at the same material specification.
The brushed finish — produced by mechanical brushing that opens the limestone’s surface grain, softens any sharp cutting marks, and creates a slightly undulating naturally textured face — complements the rectangular format’s directional character with a surface quality that is warm and tactile without the reflective drama of the polished finish or the aged-character informality of the antique. It is the most practically versatile surface treatment in the Ocean Reef Shellstone range across outdoor applications — moderate natural traction, comfortable barefoot texture, and honest fossil limestone character in a refined, broadly applicable surface condition.
Together, the 24″ × 12″ rectangular format and the brushed finish create a product of specific architectural intent — suited to projects where the paving’s directional quality, fossil character, and warm coastal palette are deliberate compositional choices rather than generic material decisions.
The rectangular plank proportion produces surface qualities that neither square formats nor large-format slabs deliver in the same way.
Directional Surface Flow — Installed in parallel running bond along the length of a pool surround, terrace, or driveway approach, the 24″ × 12″ format creates a surface with a strong directional axis — the long edges of each piece establishing continuous horizontal lines that guide the eye and reinforce the architectural geometry of the space. This quality is particularly effective in contemporary landscape design where the paving’s linear rhythm is a deliberate compositional element rather than a background texture.
Manageable Individual Unit Weight — At 24″ × 12″ × 1-1/4″, each piece of Ocean Reef Limestone is substantially lighter than a 24″ × 24″ slab of equivalent thickness — and Ocean Reef Limestone’s inherent weight advantage of approximately 20–30% over dense volcanic or granite alternatives at the same gauge makes the 24″ × 12″ format particularly manageable for on-site handling, especially in pool surround installations where pieces must be positioned precisely around curves, steps, and drainage channel transitions.
Pattern Flexibility — The two-to-one proportion accommodates both formal parallel layouts and herringbone arrangements — the herringbone pattern being particularly effective in driveway applications where the interlocking angle provides structural stability under vehicular loading while the rectangular format’s plank proportion creates a more contemporary visual character than the near-square proportions of cobblestone or Belgian block herringbone alternatives.
Brushed Surface — Warm Fossil Character, Practical Traction The mechanically brushed finish opens the Ocean Reef Limestone’s grain to reveal the stone’s full fossil content — shell fragments, coral structures, and compressed marine organisms — across the surface with natural clarity, while simultaneously providing the moderate inherent traction appropriate to outdoor paving, pool surround, and interior wet-area applications where smooth or polished surfaces would present a safety concern. The brushed surface’s slight undulation catches light gently across the day, creating a softly animated surface quality in changing light conditions. Each piece carries its own unique fossil distribution — the brushed finish reveals this biological individuality fully rather than masking it behind reflective polish or obscuring it under mechanical indentation.
24″ × 12″ Rectangular Plank — Directional Architectural Quality The two-to-one rectangular format establishes a directional surface character across installed areas that square formats and irregular multi-size patterns cannot produce — strong linear horizontal flow in running bond, dynamic angular energy in herringbone, and a clear architectural intention in either orientation that elevates the paving from background surface to designed compositional element. In pool surround applications, the linear format aligns naturally with the pool’s geometric perimeter; in driveway applications, the herringbone arrangement provides both structural interlock and visual dynamism.
Warm Cream-to-Ivory Fossil Palette Ocean Reef Limestone’s defining colour character is fully expressed across the brushed face — cream, ivory, and warm white ground with natural tonal variation, and the unique fossil content of each piece visible across the surface in natural distribution without the reflective overlay of the polished finish. The warm pale palette reflects solar radiation in outdoor settings, complementing pool water with tropical coastal warmth and creating luminous outdoor surfaces that stay comfortable underfoot in warm-climate direct sun.
Lighter Than Equivalent Dense Stone At 24″ × 12″ × 1-1/4″, each piece benefits from Ocean Reef Limestone’s inherent weight advantage — approximately 20–30% lighter than equivalent basalt or granite at the same dimensions and gauge. This weight advantage is specifically meaningful for the 24″ × 12″ format, where the manageable individual piece weight makes installation more practical and reduces fatigue over extended installation sessions around pool perimeters, terraces, and driveway surfaces.
Sealing Essential As with every Ocean Reef Limestone product, penetrating sealer application is essential before installation and periodically throughout the service life — the brushed surface’s slightly open grain character makes pre-grouting sealing particularly important to prevent grout haze absorption. Annual resealing for pool surrounds and fully exposed outdoor applications; every one to two years for interior floors and sheltered outdoor areas.
| Property | Value |
|---|---|
| Material | Ocean Reef Limestone — compressed marine shell & coral fossil stone |
| Finish | Brushed (mechanically brushed — open grain, slight surface undulation) |
| Format | 24″ × 12″ rectangular plank |
| Colour Range | Cream, ivory, warm white — tan and beige natural variation |
| Fossil Content | Visible shells, coral fragments, compressed marine organisms |
| Surface Character | Slightly undulating — open grain, moderate natural traction |
| Porosity | Moderate — penetrating sealer essential |
| Slip Resistance | Moderate to good — natural brushed texture |
| 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) | Standard 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 5–8% waste for cuts and pattern work. Contact Citadel Stone for pattern-specific quantity calculations — herringbone layouts require additional waste allowance versus parallel running bond.
Driveways Ocean Reef Shellstone – Brushed 24″ × 12″ in 1.5″ heavy-duty thickness creates residential driveway surfaces where the rectangular plank format’s directional quality adds an architectural consideration to the marine fossil limestone’s warm coastal character — the strong linear rhythm of the running bond layout establishing a composed, formally resolved driveway approach that square or irregular formats do not produce with the same intentionality. In herringbone at 45° or 90°, the 24″ × 12″ format provides the structural interlock appropriate for vehicular driveways while the rectangular plank proportion creates a more architecturally sophisticated surface dynamic than cobblestone herringbone alternatives. The brushed surface’s moderate natural traction provides adequate grip for both pedestrian and vehicular use in standard conditions. Sealing at installation is essential — annual resealing is the minimum recommended frequency for driveway applications, and automotive oil and tyre residue spills must be addressed promptly given the limestone’s moderate porosity and the pale colouration’s visibility of staining.
Patios & Terraces On outdoor terrace and entertaining surfaces in warm and tropical climate settings, the 24″ × 12″ brushed format creates pool terrace and patio surfaces of deliberate linear character — the rectangular plank proportion establishing directional flow across the terrace that relates to the pool’s geometry, the architectural edges of the terrace, or the principal viewing axis of the outdoor living space. In running bond parallel to the pool edge, the plank format creates a terrace that reads as compositionally resolved — the horizontal lines of each course reinforcing the pool’s linear boundary in a way that square or random formats do not. The brushed fossil surface is warm, tactile, and comfortable underfoot in warm-climate outdoor settings, and the heat-reflective cream palette keeps the surface comfortable in direct afternoon sun. Sealing is essential throughout the installation’s service life.
Pool Surrounds & Coping The 24″ × 12″ format is particularly well suited to pool surround applications — the rectangular plank proportion aligning naturally with the pool’s geometric perimeter, and the manageable individual piece weight making installation around pool curves, step transitions, and drainage channel edges more practical than the heavier equivalent dimensions of dense volcanic alternatives. The brushed surface’s moderate natural traction is appropriate for standard residential pool surrounds in warm-climate settings. For the immediate pool water edge where maximum traction is the safety priority, contact Citadel Stone for guidance on whether a higher-traction finish or material is appropriate for your specific pool edge configuration — the brushed finish’s moderate traction is well suited to the broader pool surround surface in standard residential use. Sealing with a penetrating wet-area sealer is essential; annual resealing is non-negotiable for pool environment applications. Low-pressure washing — 800–1,200 PSI maximum — protects fossil content during cleaning.
Garden Paths In formal garden path applications — particularly wider primary garden routes where the 24″ × 12″ format’s plank proportion can be expressed across the full path width without awkward partial-module edges — Ocean Reef Shellstone – Brushed 24″ × 12″ creates path surfaces of warm coastal fossil character with a clear directional quality that reinforces the path’s role as a composed circulation element within the designed garden. Laid perpendicular to the path direction, the plank format creates a stepped, crosswise rhythm that emphasises the path’s width and the deliberate transition of each step across the surface. Laid parallel, it creates a flowing linear direction that draws movement along the path axis. In both orientations, the brushed fossil surface integrates with planted garden environments with natural warmth and authentic geological character. Sealing is recommended for all garden path applications.
Wall Cladding As a wall cladding material — on exterior feature walls, entrance columns, courtyard boundary surfaces, and interior feature elevations — the 24″ × 12″ brushed format creates a strongly horizontal coursed wall surface that the rectangular plank proportion enforces consistently across the full cladding area. The horizontal coursing lines of the 24″ × 12″ format on a vertical wall face create an architectural quality distinct from the more randomised visual character of square or mixed-size cladding alternatives — the wall reads as deliberately composed, each course’s long horizontal edges establishing a clear datum that organises the fossil content and cream-ivory colouration into a formally resolved surface. The brushed finish’s slightly open grain creates gentle shadow depth across each piece face under raking light — more animated than a smooth-sawn surface, more formally resolved than a split-face or rough-textured alternative. The individual piece’s manageable weight at 24″ × 12″ × 3/4″ simplifies wall cladding installation compared to larger-format slab alternatives. Sealing is essential for all wet-room interior cladding.
Interior Floors Inside, Ocean Reef Shellstone – Brushed 24″ × 12″ creates interior floor applications where the rectangular plank format’s directional quality is an active compositional tool — the ability to establish running bond parallel to the primary room axis, perpendicular to it, or on the diagonal giving the interior designer a degree of spatial control over the floor’s visual character that square and multi-size formats do not offer in the same way. In hotel lobby and resort reception floors, the plank format in running bond creates a continuous directional flow across the space — guiding movement through the interior with the same compositional intentionality that the format brings to exterior pool surround and terrace applications. In domestic bathroom floors and open-plan conservatory and living room spaces, the 24″ × 12″ plank creates a floor of warm fossil geological character and clear architectural intention — a designed surface rather than a generic tile layout. Sealing before and after installation is essential for all interior applications.
Running Bond — Parallel to Primary Axis The most installation-efficient arrangement and the most effective at establishing directional flow across large surface areas. Coursed parallel to the pool edge, driveway approach, or principal room axis, the 24″ × 12″ plank in running bond creates a surface of continuous horizontal rhythm — the long edges of each piece aligning in continuous lines that read as a composed directional statement across the full installation area.
Running Bond — Perpendicular to Primary Axis Laying the 24″ × 12″ plank perpendicular to the primary axis creates a crosswise rhythm that emphasises the width of the surface — effective on terraces where horizontal breadth rather than directional flow is the compositional priority, and on driveway approaches where emphasising the arrival court’s width creates a sense of generous forecourt scale.
Herringbone The 24″ × 12″ two-to-one proportion is well suited to herringbone at 45° or 90° — the rectangular format creating a more architecturally sophisticated herringbone pattern than near-square proportions. Herringbone is the structurally optimal pattern for vehicular driveways and is visually effective across large pool terrace and patio areas where pattern energy is a design objective.
Stack Bond Pieces aligned in a formal grid with continuous vertical and horizontal joints — the most formally resolved and architecturally precise layout, appropriate for contemporary interiors and sheltered outdoor settings where geometric precision is the design priority.
| Ocean Reef Shellstone – Brushed 24″ × 12″ | Ocean Reef Shellstone – Sawn | Ocean Reef Shellstone – Brushed (Other Sizes) | Porcelain Plank Format | Travertine Brushed | |
|---|---|---|---|---|---|
| Directional Format Character | ✅ Strong — plank proportion | ⚠️ Square/mixed — less directional | ⚠️ Varies by size | ✅ Good — plank available | ⚠️ Typically square |
| Marine Fossil Character | ✅ Unique — visible fossil content | ✅ Unique — visible fossil | ✅ Unique — visible fossil | ❌ Printed simulation | ❌ None |
| Brushed Surface Traction | ✅ Moderate to good | ✅ Moderate — sawn | ✅ Moderate to good | ✅ Good | ✅ Moderate |
| Handling Weight | ✅ Lighter than dense stone | ✅ Lighter | ✅ Lighter | ✅ Light | ✅ Moderate |
| Sealing Required | ⚠️ Yes — essential | ⚠️ Yes — essential | ⚠️ Yes — essential | ✅ Not required | ⚠️ Essential |
| Exclusive Supply | ✅ Citadel Stone only | ✅ Citadel Stone only | ✅ Citadel Stone only | ❌ Widely available | ❌ Widely available |
| Pattern Versatility | ✅ Running bond, herringbone, stack | ✅ Multiple patterns | ✅ Multiple patterns | ✅ Good | ⚠️ Moderate |
| Lifespan | ✅ Long-term when sealed | ✅ Long-term when sealed | ✅ Long-term when sealed | ⚠️ 30–50 years | ⚠️ 20–40 years |
Sealing — Essential A penetrating impregnating sealer formulated for pale fossil limestone is essential before installation and again after jointing has cured. The brushed surface’s slightly open grain makes pre-grouting sealing critical — unsealed limestone absorbs grout residue into the open surface texture in a way that is difficult to remove without professional intervention. Use a sealer appropriate for pale fossil limestone that does not alter the cream-ivory colouration. 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 settings.
Routine Cleaning Use pH-neutral stone cleaners only — acidic products damage limestone and dissolve fossil calcium carbonate content irreversibly. For outdoor surfaces, low-pressure washing at 800–1,200 PSI maximum maintains appearance without risk to the brushed fossil face or shell inclusions. Address spills promptly — the pale colouration and moderate porosity mean prompt action before penetration is the most effective stain prevention measure.
Pattern-Specific Joint Maintenance The 24″ × 12″ herringbone pattern’s angled joint geometry requires thorough polymeric sand application into all joint directions before compaction — the herringbone’s varied joint orientation means standard straight-sweep sand application may not fully fill all joint directions. Inspect herringbone joints after the first significant rainfall and replenish as required. For running bond applications, standard joint maintenance applies.
Why specify the 24″ × 12″ format rather than a square Ocean Reef Shellstone format? The 24″ × 12″ rectangular plank format is specified when the paving’s directional quality is a design objective — when running bond’s horizontal flow, herringbone’s angular energy, or the plank proportion’s visual rhythm are deliberate compositional elements rather than incidental outcomes of the material specification. For projects where the paving is intended as background surface rather than architectural feature, square formats provide more neutral, less directional surface character. For projects where the paving is a designed compositional element — pool surrounds, formal terrace approaches, architecturally considered driveways — the 24″ × 12″ format’s directional quality makes it the more purposeful specification.
How does this differ from Ocean Reef Shellstone – Brushed in other sizes? The 24″ × 12″ format is a specific size variant in brushed finish, distinguished from other brushed Ocean Reef Shellstone sizes by its two-to-one rectangular plank proportion, which creates the directional surface character described throughout this product description. The material, fossil content, finish type, sealing requirements, and climate performance are consistent across all brushed Ocean Reef Shellstone products. If the directional plank quality of the 24″ × 12″ is not a specific design requirement, other sizes in the brushed range may be equally appropriate — contact Citadel Stone for size selection guidance across the full brushed Ocean Reef range.
Can it be combined with other Ocean Reef products in the same project? Yes — all Ocean Reef Limestone products share the same exclusive Citadel Stone quarry source, ensuring complete material and colour coherence. The 24″ × 12″ brushed format can be combined with the sawn finish, square brushed formats, polished finishes in covered zones, or Ocean Reef Limestone Split-Face Cobblestones for border and edge details — all maintaining the same fossil content character and warm cream-ivory palette without colour-matching risk.
What grout width is recommended for herringbone installation? For herringbone layouts in the 24″ × 12″ format, a joint width of 3/8″ to 1/2″ with polymeric sand is recommended for outdoor applications. Wider joints in herringbone complement the Ocean Reef Limestone’s natural fossil character more organically than tight joints, and polymeric sand’s resistance to wash-out is particularly beneficial in the herringbone’s angled joint orientation where water tracking follows the joint angles rather than draining straight across.
Is sealing different for the brushed finish versus the sawn finish? The same penetrating impregnating sealer category is appropriate for both brushed and sawn Ocean Reef Shellstone — the key variable is the sealer’s rating for the specific application exposure level rather than the surface finish type. The brushed finish’s slightly more open grain relative to the sawn surface means the sealer penetrates slightly more readily on the first application — an advantage rather than a concern. Contact Citadel Stone for sealing product recommendations calibrated to your specific application, climate, and exposure conditions.
Format-Specific Product Expertise — Citadel Stone supplies Ocean Reef Shellstone in a range of specific formats and finishes — not simply in generic dimensions — enabling specifiers to select the product whose format, finish, and gauge are specifically appropriate to their project’s design intent and application requirements.
Exclusive Quarry Source — Ocean Reef Shellstone – Brushed 24″ × 12″ is available only through Citadel Stone, sourced from the exclusive quarry formation that produces this specific fossil marine limestone. The same quarry source as every other Ocean Reef product — complete material coherence guaranteed across all Ocean Reef format and finish combinations within a single project.
Pattern-Specific Installation Support — Our team provides herringbone setting-out guidance, running bond pattern quantity calculations, joint specification for the 24″ × 12″ format’s specific proportions, and sub-base specifications for both vehicular and pedestrian applications — the format-specific technical detail that generic natural stone guidance does not address.
Fossil Quality Assessment — Every piece is individually assessed for fossil content quality, brushed surface consistency, dimensional accuracy, and colour uniformity before despatch — ensuring the geological character that justifies the Ocean Reef specification is consistently present across every piece in the supply.
Nationwide Delivery — Reliable shipping across the continental United States with careful specialist packaging to protect fossil-rich brushed surfaces throughout transit.
Specify genuine Ocean Reef Limestone in the directional 24″ × 12″ plank format with a softly textured brushed finish — for coastal, tropical, and warm-climate projects where compositional intention, fossil authenticity, and coastal material warmth define the design ambition.
Request a Free Consultation — Our team provides format selection guidance across the full Ocean Reef range, pattern layout recommendations, sealing specifications, quantity calculations including herringbone waste allowance, and detailed project quotes for residential and commercial applications.
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 brushed surface character, fossil content, directional plank format, 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.
When designing outdoor living spaces, the choice of materials plays a crucial role in determining the aesthetic appeal, functionality, and durability of the area. Ocean Reef Shellstone – Brushed 24″ × 12″ are a top selection for homeowners, architects, landscapers, builders, and designers looking to combine natural beauty with long-lasting durability. Whether you’re creating a welcoming patio, a robust pool deck, or a stylish walkway, Ocean Reef Shellstone – Brushed 24″ × 12″ provide the perfect solution. Their distinctive texture, paired with their strength, offers a visually stunning and slip-resistant surface that withstands diverse environmental conditions.
Price: $2.30 per sq. ft.
Total: $2.30