Product Overview
Bianco Dolomite 4" x 12" Marble Subway Tile brings pristine natural luxury, architectural scale, and timeless Turkish stone character to interior walls and floors. Mined from the historic quarry regions of Turkey, genuine Bianco Dolomite marble is world-renowned for its smooth milky-white background, subtle icy undertones, and soft, wispy light gray veining.
The elevated 4" x 12" subway plank format modernizes traditional 3" x 6" subway tile, creating longer, cleaner lines across kitchen backsplashes, primary shower walls, and accent feature walls. Available in a high-gloss polished finish that maximizes light reflection or a velvety honed satin texture, this tile delivers an effortless spa-like aesthetic.
Technical Specifications
| Technical Property |
Value / Specification |
Notes / Compliance |
| Material Type |
100% Genuine Natural Marble |
Premium Turkish Dolomitic Marble |
| Alternative Names |
Dolomite White, Bianco Dolomiti |
Classic White Marble Family |
| Nominal Dimensions |
4" W x 12" L (Approx. 10 cm x 30.5 cm) |
Modern Elongated Subway Plank |
| Thickness |
3/8 in. (Approx. 10 mm) |
Standard Interior Structural Tile |
| Surface Finish Options |
Polished or Honed |
High-Gloss Luster or Low-Sheen Satin |
| Color Profile |
Smooth Milky White with Soft Gray Veining |
Low-to-Moderate Shade Variation (V2) |
| Edge Detail |
Precision Rectified / Straight Edge |
Designed for Narrow Mortar Joints |
| Recommended Applications |
Interior Walls, Floors, Showers, Backsplashes, Fireplaces* |
Dry & Wet Interior Locations |
*For high-moisture floor installations, evaluate local wet slip resistance requirements prior to specification.
Recommended Applications
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Kitchen Backsplashes: Refracts natural light across its smooth white field, offering a bright, elegant backdrop behind ranges, prep sinks, and open shelving.
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Primary Bath & Shower Surround Walls: Delivers full-height European marble luxury across shower walls, tub decks, and vanity accent walls.
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Fireplace Surrounds & Powder Rooms: Creates clean horizontal or vertical lines that anchor living room hearths, feature niches, and guest bath walls.
Installation and Handling Guidelines
⚠️ IMPORTANT: NATURAL STONE PRE-SEALING & MORTAR PROTOCOL
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Pre-Sealing Essential: Bianco Dolomite marble is a porous natural stone. Apply a high-quality penetrating natural stone sealer to the tile faces prior to grouting to guard against grout haze and pigment absorption.
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Pure White Thin-Set Mortar Required: Always set light-colored natural marble using a polymer-modified pure white thin-set mortar (ANSI A118.4). Gray thinset will shadow through translucent white marble and permanently alter its tone.
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Dry Laying & Color Blending: Natural stone exhibits subtle color and veining shifts across production lots. Open multiple boxes and dry-lay tiles before setting to blend veining movement evenly across the surface.
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Grout Joint & Type: Maintain a 1/16" to 1/8" grout joint. Use a non-sanded grout or high-performance flexible grout designed for delicate natural stone to avoid scratching the polished or honed face.
Care and Maintenance
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Routine Cleaning: Clean regularly using warm water and a neutral pH natural stone cleaner. Avoid acidic cleaners, vinegar, bleach, lemon juice, or abrasive scrubbers, which will etch marble surfaces.
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Periodic Resealing: Reapply a quality penetrating stone sealer every 1 to 2 years (or more frequently in heavy shower wet areas) to maintain water repellency and stain defense.
Design Profile
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Aesthetic Inspiration: Soft Minimalist, Modern Organic, Neo-Traditional, Bright Scandinavian.
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Visual Advantage: The smooth 4" x 12" proportions elongate walls visually while the milky white dolomite field reflects light, making small spaces feel expansive.
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Complementary Finishes: Polished chrome or nickel hardware, natural white oak or painted shaker cabinetry, warm brass accents, and white quartz or gray-veined marble slab counters.
Frequently Asked Questions
Does Bianco Dolomite 4" x 12" marble subway tile require sealing?
Yes. As genuine natural marble, it is porous and must be sealed with a penetrating stone sealer prior to grouting and maintained periodically over time.
Is Bianco Dolomite suitable for shower wall installation?
Yes. It is an exceptionally popular choice for full-height shower walls and tub surrounds when set using white polymer-modified mortar and sealed properly.
Why is white thinset mortar required for installation?
Bianco Dolomite marble possesses slight natural translucency. Standard gray thinset mortar will show through the stone, causing dark discoloration or uneven shading across the light white background.
