SKU: SKU:CarBBT
4.75" x 12" Carrara Bianco Marble Baseboard Molding Trim
4.75" x 12" Carrara Bianco Marble Baseboard Molding Trim
(1.0 sq.ft.)
How many tiles do i need?
*We recommend adding an additional 15% to your overall square footage calculations to ensure you have enough coverage for waste and reserve during the installation process.
You need
0 Linear Foot & 0 SQ.FT.
Total price: $21.95
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🏛️ THE DESIGN IDENTITY
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The Archetype: The Luminous Roman Footing for luxury marble floors.
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The Contrast: Unlike flat wood baseboards that warp in high-moisture environments or plain ceramic trims, Carrara Marble Baseboards feature an architectural sculpted profile—seamlessly extending white marble flooring into a sophisticated vertical wall casing.
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Design Aesthetics: The premier architectural anchor for Classic Italian, Transitional Luxury, French Provincial, and Modern Organic interiors.
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The Mineral Field: Showcases authentic Italian Bianco Carrara marble—featuring a pristine white canvas softly woven with subtle blue-gray feathery veining and graphite brushstrokes.
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The Visual Flow: The 4.75-inch vertical height protects lower walls from scuffs and moisture while creating a continuous, polished perimeter transition along floor boundaries.
🏷️ PRODUCT TITLE
Bianco Carrara Series: 4.75" x 12" Polished & Honed Marble Baseboard Molding Trim
📝 PRODUCT DESCRIPTION Frame your marble floor installation with the tailored elegance and classical profile of the 4.75" x 12" Bianco Carrara White Marble Baseboard Molding Trim. Quarried in the mountains of Tuscany, Italy, Carrara marble is world-renowned for its timeless white backdrop and delicate gray veining. Sculpted with a classic top-profile bevel, this 4.75-inch tall baseboard delivers a substantial wall-to-floor transition that protects drywall while providing a polished architectural anchor.
Available in a brilliant high-gloss polished or silky satin honed finish, each 12-inch piece features a substantial 3/4" base projection that easily overlaps floor tile expansion gaps. It is specifically engineered to pair with Carrara subway tiles, hexagon mosaics, and large-format 12x24 field tiles. It serves as an exquisite choice for luxury primary bathroom floors, elegant powder rooms, grand entry foyers, and hallway perimeters.
✨ KEY FEATURES
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Architectural Beveled Profile: Sculpted top edge creates classic shadow lines and prevents dust accumulation along lower wall perimeters.
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Authentic Italian Carrara Marble: Bright white background accented by characteristic soft blue-gray veining and micro-crystal depth.
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Protective 4.75" Height: Shields drywall from mop moisture, cleaning chemicals, and daily foot traffic scuffs.
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Smooth Precision Milling: Uniform end cuts and consistent profile dimensions ensure seamless alignment from piece to piece.
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Seamless Stone Coordination: Specially carved to pair with Carrara field tiles, hexagon mosaics, herringbones, and subway tiles.
📊 SPECIFICATIONS
| Technical Property | Details |
|---|---|
| Collection | Bianco Carrara Natural Stone Series |
| Material Type | 100% Authentic Italian Natural Marble |
| Piece Dimensions | 4.75" Height x 12" Length |
| Thickness / Projection | Approx. 3/4" Base Projection (Beveled Top Edge) |
| Surface Finish | High-Gloss Polished or Honed (Satin-Matte) |
| Shade Variation | Low-to-Medium Variation (V2) — Natural gray veining on white |
| Applications | Perimeter Floor Baseboards, Bathroom Wall Trims, Hallway Skirting |
🛠️ INSTALLATION REQUIREMENTS
⚠️ CRITICAL WARNING: THINSET SELECTION & CORNER MITERS
White Mortar Mandatory: Always install natural white marble using a high-performance White LFT (Large Heavy Tile) Thinset Mortar. Using gray thinset will bleed dark shadows through the translucent white marble body.
Precision Wet Saw Miters: For outside and inside 90-degree room corners, cut baseboards at 45-degree miter angles using a wet saw equipped with a continuous-rim diamond blade engineered for fine marble.
Manufacturer Recommendations
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Recommended Grout: Pair with a Non-Sanded Grout in "Bright White" or "Light Gray" along the baseboard-to-tile joint.
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Perimeter Expansion Joint: Leave a 1/8" gap between the bottom of the baseboard trim and the floor tile. Fill this bottom joint with a color-matched flexible silicone sealant (rather than rigid grout) to allow natural subfloor movement.
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Mandatory Pre-Sealing: Marble is naturally porous. Apply a solvent-based penetrating stone sealer before grouting to prevent grout dye absorption into the white stone.
💡 PRO INSTALLATION TIPS
1. Multi-Box Dry Shuffle: Carrara marble carries natural veining variation. Lay out your baseboard pieces around the entire perimeter of the room before setting to ensure a balanced, continuous flow of white and gray tones.
2. Level Reference Line: Establish a perfectly level chalk line along the top profile before placing baseboards—do not rely on uneven subfloors to gauge molding heights.
3. Top Joint Caulking: Seal the tiny gap between the top beveled edge of the stone baseboard and the painted drywall with a clean bead of paintable acrylic caulk for a seamless, dust-free finish.
💬 FREQUENTLY ASKED QUESTIONS
Q: Can this 4.75" Carrara marble baseboard be used in walk-in showers?
A: It is ideal for bathroom floors, powder rooms, and wet area perimeters. For actual shower pans, ensure it is properly set with white thinset and sealed with a penetrating stone sealer.
Q: How do I calculate how many baseboard tiles I need?
A: Measure the total linear perimeter (in feet) of your room, subtracting doorways and tub openings. Since each piece is 1 foot (12 inches) long, your linear footage equals the piece count. Always add 10% to 15% extra for miter cuts and end trims.
Q: How do I clean and maintain polished Carrara baseboards?
A: Wipe clean with a damp cloth or soft sponge using a neutral pH stone cleaner. Avoid vinegar, bleach, or acidic cleaners, as acids will etch the natural marble finish.
Shade Variation
Shade Variation
Colors and textures may vary slightly between tile batches due to natural manufacturing variations. For a clear representation, we recommend ordering a sample. Learn more.

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Processing & Shipping
- Orders take 48 hours to process and about a week to be delivered depending on your location.
- Orders may come in multiple packages and may be delivered separately.
- All freight orders require a signature at time of delivery.
- All freight orders are delivered curbside.