Windham Grey
Grey Marble

Windham Grey

Windham Grey

A Windham Grey marble from Cambodia. A deep charcoal-grey ground carries fine, high-contrast white quartz veins with a dense crystalline texture that polishes to a mirror sheen; minimal variation and high yield make it a very popular marble in recent Hong Kong new developments and show flats, common in living-dining floors, kitchen walls and entryways.

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Variety Details · Grey Marble

Windham Grey — Samples, Technical Data & Applications

A Windham Grey marble from Cambodia. A deep charcoal-grey ground carries fine, high-contrast white quartz veins with a dense crystalline texture that polishes to a mirror sheen and minimal variation; a very popular marble in recent Hong Kong new developments and show flats. Common in living-dining floors, kitchen walls and entryways, also suited to studies and master bedrooms, opening up the space.

Windham Grey — four samples, four views
Windham Grey · Four samples
Windham Grey — slab texture and application views
Windham Grey · Slab & applications
Windham Grey — Full slab
Windham Grey · Full slab
Windham Grey — Texture detail
Windham Grey · Texture detail

Technical Data

Basic Information
Stone Type
Natural Marble
Origin
Cambodia
Colour Family
Deep grey with fine white quartz veins
Slab Grade
Grade A (no cracks, no resin fill)
Visual inspection
Dimensions & Sizing
Standard Slab Size
3200×1600mm / 3050×1440mm
Mill cutting spec
Available Thickness
18 / 20 / 30 mm (stock); 15–50 mm to order
Caliper measurement
Dimensional Tolerance
±1.0 mm (polished face)
BS EN 12058
Physical Performance
Density(g/cm³)
2.72
ASTM C97 / EN 1936
Water Absorption(%)
0.15
ASTM C97
Compressive Strength(MPa)
180
ASTM C170 / EN 1926
Flexural Strength(MPa)
14.0
ASTM C880 / EN 12372
Mohs Hardness
3.5
EN 14157
Abrasion Resistance
≤ 16 mm
EN 14157
Gloss Level(GU)
87
ISO 2813 (60°)
Acid Resistance
Acid-sensitive (calcium carbonate; avoid vinegar, lemon & strong acid cleaners)
EN 13529
Fabrication & Installation
Edge Profile
Straight / Bevel / Bullnose / Ogee
Installation Method
Wet-set mortar / Stainless steel dry-hang
Joint Treatment
Seamless marble-glue jointing (pattern-matched)
Certification & Care
Certification
ISO 9001 · ASTM C97/C170 · GB 6566 Class A
Third-party certification
Maintenance Cycle
Crystallisation maintenance every 12 months
Warranty
10-year factory warranty (excl. accidental damage)
Commercial Terms
Price Unit
HK$ per sq. ft. (measured slab area)
Minimum Order Quantity
30 m² (mixed colours accepted)
Lead Time
Stock 7–10 working days; custom 20–30 days
Packaging
Wooden A-frame crate, 8–10 slabs per crate
* Actual tested parameters for this stone (sourced from supplier specifications and EN/ASTM standard test data). Minor variation may occur between batches/quarries. Contact us for batch-specific test reports.

Applications Applications

🏢
Commercial Lobbies & Common Areas
Dense mirror sheen; first pick for new flats & shows
🏠
Luxury Residential Walls & Floors
Low variation; open, airy spaces
🪜
Stairs & Treads
Solid texture; fits stair treads
🛁
Bathrooms & Vanities
Deep grey with white veins; premium baths
🏨
Hotels & Show Flats
Trending in new developments & show flats
🏗️
Large Interior Projects
Cambodian quarry; stable supply
Available Surface Finishes

Windham Grey's deep grey with white quartz veins polishes to a mirror sheen; honed tames glare for bedrooms and studies, brushed strengthens the stone's touch.

Polished Honed Acid-washed Sandblasted Antiqued Brushed
📐 Standard Sizes
3200×1600mm / 3050×1440mm
600×600mm / 800×800mm
Custom sizes available
📦 Standard Thickness
18mm / 20mm / 30mm
18mm typical for walls, 20mm for tops
Custom thickness available
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Windham Grey in the Grey Marble collection: specifications, stock and lead times are listed on the collection page. See the Grey Marble collection →

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