Fort White Sandstone — Architectural Stone Surfaces | SNK Surfaces
SNK Surfaces — Architectural Stone

The stone that builds
empires of the future.

Fort White is a luminous, fine-grained silicate sandstone — quarried, refined and engineered by SNK Surfaces for the world's most demanding facades, monuments and public spaces.

100–150 MPaCompressive strength
< 1.5%Water absorption
5-AxisCNC carving ready
100 haExclusive quarry reserve
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Awakened from history

Sleeping beneath Central India for centuries — a stone so regal, so rich, we named it Fort White.

In the highlands of Gwalior, the hilltop fort once called the "Gibraltar of India" stood witness to the rise and fall of empires — the Pratiharas, the Tomars, the Mughals, the Scindias. Beneath those vast lands lie infinite deposits of an extraordinary white stone.

With every descent the stone grows finer, whiter, purer — as though time itself has been refining it in secrecy. We bring it to the surface to build the empires of the future.

Discover its character
Fort White stone columns and jali screens in a grand courtyard Gwalior, Central India
Intricately carved Fort White ornamental screen Hand-carved filigree
A lovechild of modernity & heritage

A luminous stone, easy to bring alive.

Fort White casts an ethereal glow that shifts from crisp porcelain in the high sun to a warm, milky cream as the shadows lengthen. Its high-reflectance, fine-grained silicate matrix bridges neoclassical stone heritage with the sharp-edged demands of modern rainscreen facades.

Exceptional structural cohesion lets it endure high-velocity CNC machining and 5-axis carving without spalling — enabling razor-sharp undercuts, intricate fluted profiles and ultra-thin perforated screens that would be impossible in more brittle limestones.

Why Fort White

Smarter than marble.
Stronger than glass.

It outperforms the "fragile luxury" of glass and marble with a high-performance silicate durability — delivering a premium, luminous aesthetic that holds its value for decades.

Immune to etching

A dense silicate composition resists the etching and thermal leakage that plague traditional marble and glass surfaces.

Self-sustaining beauty

Replaces constant maintenance and "greenhouse" inefficiencies with a stone that quietly holds its luminosity over time.

Premium, for less

A luminous, monumental aesthetic delivered at a fraction of the cost of comparable luxury materials.

Thermal & sound mass

Natural density and low thermal diffusivity make it an exceptional thermal sink and STC-rated sound attenuator.

Larger, thinner panels

Cladding panels exceeding 1200 × 600 mm without compromising structural integrity — for strength and for style.

Frost & salt resistant

Low water absorption guarantees minimal vulnerability to freeze-thaw cycles and salt erosion in exposed environments.

Technical performance

Cut like diamond.
Glows like ivory.

Architecturally defined by a fine-grained, homogeneous matrix of sub-rounded quartz grains bound by resilient siliceous cement. The result is low petrographic porosity and a high bulk density that can be honed to a satin, parchment-like finish — a quality artisans describe simply as "buttery."

When light meets its surface, high silica purity allows a subtle internal refraction — a soft glow rather than a harsh reflection — making it the premier choice for monolithic, seamless designs.

Compressive Strength100–150 MPa
Water Absorption1.5% ASTM C97
Bulk Density2400–2550 kg/m³
Modulus of Rupture18–25 MPa

Indicative values from quarry testing. Grade A / B / C available.

From quarry to facade

A refinement worthy of the stone.

Every block passes through a disciplined sequence engineered for aesthetic consistency across massive urban facades.

The Initial Cut

High-velocity blade cutting systems establish the primary face of the block.

The Separation

Precision wire-saws deliver clean, stress-free isolation of each block.

The Refinement

Careful block dressing prepares the stone for 5-axis CNC styling.

The Standard

Rigorous A / B / C grading ensures aesthetic consistency at scale.

The jewels in our crown

One stone. A complete surface system.

From monolithic gangsaw slabs to hand-cut cobbles, every format is available in custom sizes for project-specific specification.

CNC water-jet cut Fort White slabs
Signature

CNC Cut Slabs

High-precision water-jet & laser-cut surfaces with Hydro finishes — for intricate ornament, fluted profiles and perforated architectural screens.

Specialised cut Fort White slabs
Specialised

Specialised Slabs

Cut using high-tensile steel cables for bespoke profiles and feature elements.

Fort White gangsaw slabs
Slabs

Gangsaw Slabs

Length 240–300 cm · Width 120–180 cm
Thickness 20 / 30 / 40 mm

Fort White paving tiles
Paving

Paving Tiles

Supplied in project packs
sized 600 × 900 mm

Fort White wall tiles
Cladding

Wall Tiles

300×300 · 600×300
400×400 · 600×400 mm

Fort White cube cobbles
Landscape

Cube Cobbles

10×10 & 14×14 · 5–10 cm thickness
Hand-cut / tumbled

* All products available in custom sizes.

Built to endure

A pillar that keeps empires strong.

From international airport terminals to maritime-exposed cladding, Fort White's density and low absorption position it as a long-term answer for global infrastructure.

Monumental Facades

Dramatically larger, thinner cladding panels for landmark architecture — without compromising structural integrity.

Airports & Universities

STC-rated sound attenuation and thermal mass make it par excellence for terminals and campus complexes.

Public Plazas & Paving

High-specification paving with minimal vulnerability to freeze-thaw cycles and heavy footfall.

Maritime Cladding

Low water absorption resists salt erosion — engineered for coastal and maritime-exposed envelopes.

Graded by depth

The best memories are found beneath the surface.

In Fort White, value is a function of descent. As the quarry deepens, the geological story shifts — revealing stone of increasing purity, density and refinement.

Surface Layer

Utility Grade

Rugged and accessible — engineered for high-volume infrastructure and essential urban development.

Mid-Level

Enhanced Quality

Superior density and colour consistency — the benchmark for high-end civil works and commercial landscaping.

White-gold jewellery beside Fort White stone
Style is set in stone
"Like an heirloom piece, it shines the same way years after it was first quarried. Its ivory-hued sophistication does not merely age — it patinates."
— On the enduring elegance of Fort White
Specifier's questions

Everything you need to specify.

Fort White is a high-density, fine-grained silicate sandstone quarried by SNK Surfaces in the Gwalior region of Central India. Its quartzitic composition gives it a luminous, ivory-white appearance with exceptional structural performance.

Yes. Its structural cohesion withstands high-velocity CNC machining and 5-axis carving without spalling — enabling razor-sharp undercuts, fluted profiles and ultra-thin perforated screens.

With water absorption around 1.5%, Fort White offers minimal vulnerability to freeze-thaw cycles and salt erosion, making it well suited to high-specification paving, public plazas and maritime-exposed cladding.

Gangsaw slabs, CNC and specialised slabs, paving tiles, wall tiles and cube cobbles — in the standard dimensions listed in the collection, and in custom sizes on request.

Yes. The resource is categorised into three tiers — Utility, Enhanced and Premium Architectural — alongside A / B / C aesthetic grading to ensure consistency across large facades.

Begin your project

Specify Fort White with SNK Surfaces.

Request physical samples, technical data sheets or a specification consultation for your next facade, monument or public space.

SNK Surfaces

At SNK Surfaces, we make sourcing premium tiles easy.From sampling to production to container dispatch — with speed and precision.

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SNK Surfaces
Morbi, Gujarat
India