When a Romanian developer needed to clad a 1,500 m² commercial complex in Bucharest, the structural engineer's verdict was blunt: natural stone would need a reinforced substructure — and that alone could blow the budget. The project switched to ultra-light large-format sintered stone at just 7 kg/m² — and saved over 60% on dead load. The facade went up faster, the building's thermal envelope stayed intact, and the finish looked indistinguishable from natural marble.
If you're specifying facade materials for renovation or new-build projects in the EU or Middle East, weight is no longer a compromise you have to make against beauty. Ultra-light large-format sintered stone delivers the aesthetics of natural stone at a fraction of the weight — with fire, frost, and UV performance that natural materials simply cannot match.
You already know the headaches: heritage buildings that can't support heavy cladding, tight renovation schedules that demand fast installation, and spec sheets that force you to choose between visual impact and structural feasibility. This guide promises to change that equation. Below, you'll find the exact weight data, technical specs, installation methods, and procurement details you need to specify ultra-light sintered stone facades with confidence — from thickness selection to FOB pricing.
What Is Ultra-Light Large-Format Sintered Stone?
Definition and Manufacturing Process
Ultra-light large-format sintered stone is a 100% inorganic, fully vitrified cladding panel produced by compacting and firing natural mineral powders at extreme pressure and temperature. It contains no resins, binders, or synthetic additives. Available in 3–6 mm thicknesses weighing 7–14 kg/m², it delivers the aesthetics and performance of natural stone at a fraction of the weight and thickness.
The sintered stone manufacturing process follows four critical stages:
- Raw material selection. Granite minerals (quartz and feldspar) provide hardness and strength. Silica and glass minerals deliver chemical stability. Clay minerals give the mix workability and whiteness. Natural mineral pigments create color — no dyes, no surface printing.
- Pressing. The blend is compressed at up to 15,000 psi (approximately 400 bar), densifying the particles far beyond what natural geological processes achieve. This extreme compaction is what allows finished panels to be thin yet strong.
- Sintering. The pressed slab passes through a kiln at temperatures approaching 1,200 °C — below the mineral melting point, but high enough to trigger atomic diffusion across particle boundaries. Particles fuse at the molecular level without melting, creating a monolithic, non-porous body.
- Finishing. Calibrated to precise thickness tolerances, cut to final dimensions, and surface-finished (polished, honed, textured, or brushed) before quality inspection.
The entire cycle, from raw powder to finished slab, takes place in a controlled environment — which means batch-to-batch consistency that natural stone quarries can never guarantee.
How It Differs from Standard Sintered Stone
Standard sintered stone — the kind used for kitchen countertops and interior flooring — typically ships at 12 mm or 20 mm thickness. It's strong, but it's heavy. "Ultra-light" refers specifically to panels in the 3 mm to 6 mm range: engineered thin enough to shed weight while retaining the compressive strength, flexural modulus, and chemical inertness that make sintered stone unique.
For a deeper comparison of the material families, see our guide on porcelain slab vs sintered stone.
The key differences come down to application intent:
| Characteristic | Standard Sintered Stone | Ultra-Light Sintered Stone |
|---|---|---|
| Typical thickness | 12–20 mm | 3–6 mm |
| Primary use | Countertops, flooring, interiors | Facades, wall cladding, renovation overlays |
| Weight (approx.) | 28–48 kg/m² | 7–14 kg/m² |
| Installation | Traditional stone methods | Lightweight mechanical / adhesive systems |
| Substructure reinforcement | Often required | Rarely needed |
In practical terms, ultra-light panels open the door to projects where traditional stone cladding is structurally impossible — think heritage building retrofits, high-rise curtain walls with strict dead-load limits, and fast-track renovations where every kilogram saved accelerates the schedule.
Ultra-Light Sintered Stone Weight by Thickness
This is the section you came for. When you're calculating dead loads, sizing supports, and deciding whether existing walls can accept new cladding, the numbers need to be precise.
The weight of ultra-light large-format sintered stone varies by thickness as follows:
Weight Comparison Table
| Material | Thickness | Weight (kg/m²) | Weight (lbs/sf) |
|---|---|---|---|
| Ultra-light sintered stone | 3 mm | ~7 | ~1.4 |
| Ultra-light sintered stone | 5 mm | ~11–12 | ~2.2–2.5 |
| Ultra-light sintered stone | 6 mm | ~14 | ~2.9 |
| Natural marble | 20 mm | ~50 | ~10.2 |
| Natural granite | 20 mm | ~55 | ~11.3 |
| Limestone | 30 mm | ~60 | ~12.3 |
| Aluminum composite panel (ACP) | 4 mm | ~7–8 | ~1.4–1.6 |
A 6 mm ultra-light sintered stone panel — the thickest option typically used for facades — weighs roughly 75% less than a 20 mm marble panel of the same area. At 3 mm, the weight savings reach 86% compared to marble and 87% compared to granite.
For exact project calculations, use our sintered stone weight calculator to determine total cladding mass based on your panel sizes and quantities.
Why Ultra-Light Sintered Stone Matters for Facade Renovation
Consider a typical renovation scenario: a 1980s office tower in Frankfurt with a lightweight steel-frame curtain wall. The original spec allowed for 25 kg/m² of exterior cladding. The developer wants the prestige of stone — but 20 mm marble at 50 kg/m² would require a complete structural upgrade to the framing, costing hundreds of thousands of euros and months of delays.
With ultra-light sintered stone at 7–14 kg/m², the new cladding fits comfortably within the original dead-load allowance. No reinforcement. No engineering rework. The renovation proceeds on schedule.
This isn't theoretical. When the Washington Park transit station in Portland, Oregon, underwent a deep renovation, the design team at ZGF Architects chose 6 mm (¼-inch) sintered stone panels specifically because the underground structure could not support the weight of conventional stone. The project used 696 custom-cut panels in three white tones, installed with a hidden adhesive system directly over the existing substrate. The result transformed a subterranean transit space into a luminous, graffiti-resistant environment — without adding significant structural load. (See the Washington Park project profile on Neolith for the full architect statement and material specifications.)
For more sintered stone facade case studies showing real-world weight savings and installation outcomes, explore our project gallery.
In the Middle East, where developers routinely specify stone facades for towers exceeding 50 stories, the weight advantage compounds dramatically. A 50-story tower with a 15,000 m² facade area would carry 630 tonnes of cladding at 3 mm sintered stone — versus 4,500 tonnes with 20 mm marble. That 3,870-tonne difference translates directly into smaller cranes, lighter supporting structures, and lower foundation costs.
Ultra-Light Facade Dead-Load Calculator
Enter your estimated facade area and preferred thickness to calculate panel weight, marble weight savings, indicative material value, and estimated 20ft container quantity.
For 1,500 m² facade area with 5 mm ultra-light sintered stone and 5% waste allowance, the estimated order area is 1,575 m² and the panel weight is about 18.11 tonnes.
Technical Specifications for Ultra-Light Sintered Stone Facades
If it can't survive the spec sheet, it doesn't belong on the building. Here are the numbers that matter when you're writing specifications or responding to tender requirements.
Fire Performance: EN 13501-1 Class A1
This is the headline spec. Under the European fire classification standard EN 13501-1, ultra-light sintered stone achieves Class A1 — the highest possible rating. No flame spread. No smoke production. No flaming droplets. No toxic gas emission.
What does A1 actually mean in practice? A material classified A1 has been tested under two concurrent fire exposure methods:
- EN ISO 1182 (non-combustibility test): The material's temperature rise, sustained flaming, and mass loss must fall below strict thresholds.
- EN ISO 1716 (calorific value test): The gross calorific potential must not exceed 2.0 MJ/kg.
Sintered stone, being 100% mineral with zero organic content, passes both tests with wide margins. It does not burn. It does not contribute to fire load. It does not produce smoke or toxic fumes that could endanger building occupants or firefighters.
For high-rise residential buildings across the EU — particularly in the wake of fire safety reforms following the Grenfell Tower tragedy — Class A1 is increasingly a regulatory requirement rather than a luxury. In the UK, the Building Safety Act 2022 restricts combustible materials on the external walls of buildings over 18 meters. In Germany, the Musterbauordnung (Model Building Code) mandates non-combustible cladding for high-rise structures. Sintered stone meets these requirements by default.
This is a critical differentiator from aluminum composite panels (ACPs) with polyethylene cores, which typically achieve only Class B or lower — and have been implicated in several high-profile facade fires worldwide.
Water Absorption & Bending Strength
Two properties that define durability in real-world conditions:
Water absorption: < 0.1%
Natural marble absorbs 0.5–1.0% water by weight. Granite: 0.3–0.5%. Porous limestone: up to 3%. Even these seemingly small percentages become significant over decades of rain exposure, especially in freeze-thaw climates where absorbed water expands by approximately 9% when it freezes.
At < 0.1% water absorption, ultra-light sintered stone is functionally waterproof. There are no capillary pathways for moisture ingress, no surface sealant to degrade, and no risk of internal moisture causing staining, efflorescence, or delamination.
Bending strength: > 50 MPa
Flexural (bending) strength determines how much load a panel can carry before it fractures — critical for facade panels subject to wind pressures, impact loads, and handling stresses during installation. At > 50 MPa, sintered stone exceeds most natural stones:
- Marble: 7–20 MPa
- Granite: 10–25 MPa
- Limestone: 5–15 MPa
This high flexural strength is precisely what allows sintered stone to be specified at 3–6 mm thicknesses that would be impossible with natural stone. The material is simply stronger per unit of cross-section.
Freeze-Thaw Resistance
Ultra-light sintered stone has been tested to over 300 freeze-thaw cycles under ASTM C666 — the standard test method for resistance of concrete and similar materials to rapid freezing and thawing.
To put this in context: a building in Helsinki, Finland, experiences approximately 50–80 freeze-thaw cycles per year. Three hundred cycles represents 4–6 years of the most aggressive possible laboratory testing, which correlates to decades of real-world service in cold climates.
The mechanism is straightforward: with water absorption below 0.1%, there is simply not enough moisture inside the panel to expand and cause micro-cracking. The freeze-thaw resistance is a direct consequence of the near-zero porosity, not a separate property.
UV Stability & Color Retention
In the Middle East and Southern Europe, exterior materials face intense, prolonged UV exposure. Sintered stone's color is produced by natural mineral pigments that are fused into the body during the sintering process — not applied as a surface coating or digital print.
After 4,000 hours of accelerated UV testing (approximately equivalent to 10+ years of Mediterranean sun exposure), sintered stone panels showed 99% color retention. No fading. No yellowing. No surface degradation.
This is fundamentally different from resin-based materials (like engineered quartz) where UV exposure breaks down the polymer matrix, causing discoloration and surface deterioration over time — our sintered stone vs quartz comparison details the full performance gap. In a Dubai high-rise, where ambient temperatures on the facade surface can exceed 70 °C and UV indices routinely hit 11+, this stability is not optional — it's essential.
CE Certification & Compliance
For projects within the European Economic Area, facade materials must carry the CE marking under the Construction Products Regulation (EU) No 305/2011. Ultra-light sintered stone panels intended for exterior cladding are certified under:
- EN 14411 (Ceramic tiles — Definitions, classification, characteristics and marking) for tiles and panels with water absorption ≤ 0.5% (Group A I — pressed, low porosity)
- EN 15286 (Ceramic tiles and panels for external facades) specifically addresses the requirements for ceramic-based external wall cladding
Additionally, for the North American market, the relevant standard is ANSI A137.3 — 2017, which governs gauged porcelain tile and gauged porcelain tile panels/slabs, including panels with a surface area ≥ 1 m².
When specifying, confirm that your supplier provides Declaration of Performance (DoP) documents with CE marking, and that test reports from accredited laboratories cover the specific thickness and format you intend to use. Test results for 12 mm panels do not automatically apply to 3 mm panels.
Ready to specify with confidence? Request a technical data sheet for your project →
Which Ultra-Light Sintered Stone Thickness for Your Facade?
Thickness drives everything else — weight, cost, fixing method, long-term performance. Our sintered stone thickness selection guide provides additional context for interior applications; below we focus on facades.
3mm: Maximum Weight Savings
At approximately 7 kg/m², 3 mm ultra-light sintered stone is the lightest commercially available facade-grade panel. It's the go-to choice when:
- Existing structures cannot accept additional load. Heritage buildings, aging concrete frames, and lightweight steel systems are prime candidates.
- Direct overlay is required. The panels can be adhered directly over existing cladding — removing the old material is unnecessary. This was exactly the approach used at the Washington Park station, where 3 mm panels were chemically bonded over the original substrate without any mechanical anchoring.
- Maximum panel count per container. Lower weight per panel means more square meters per shipping container, reducing logistics costs for overseas projects.
However, 3 mm panels require careful handling and experienced installers. They are less forgiving of substrate irregularities — the substrate must be flat to within ±1.5 mm over 2 meters. They are also not recommended for ground-floor applications where impact risk from vehicles, equipment, or vandalism is high.
Best suited for: mid-to-upper floors of commercial facades, interior wall overlays, ceiling applications, and renovation projects where weight is the overriding constraint.
5mm: The Balanced Choice
At 11–12 kg/m², 5 mm is the "Goldilocks" thickness — light enough for most renovation scenarios, robust enough for ground-level exposure. It represents the most popular choice among European specifiers for good reason:
- Tolerates moderate substrate unevenness (±2 mm over 2 m), giving installers more flexibility.
- Compatible with both adhesive and mechanical fixing systems, offering installation versatility.
- Sufficient impact resistance for most commercial ground-floor applications, including retail frontages and hotel entrances.
- While thin sintered stone slabs at 3 mm dominate the weight conversation, 5 mm delivers a more practical balance between weight savings and job-site robustness.
For a 10,000 m² facade project, the weight difference between 3 mm (70 tonnes) and 5 mm (115 tonnes) is 45 tonnes — significant, but rarely decisive unless the structure is extremely weight-sensitive. The trade-off in handling ease and installation tolerance often makes 5 mm the smarter specification.
6mm: Maximum Structural Security
At 14 kg/m², 6 mm ultra-light sintered stone is the thinnest panel that most manufacturers recommend for mechanically fixed, ventilated rainscreen systems — and it's the thickness that appears most frequently in sintered stone exterior cladding specifications for good reason:
- Highest impact resistance among the ultra-light options, suitable for high-traffic commercial zones and public infrastructure.
- Widest compatibility with mechanical fixing systems, including visible clip systems and concealed undercut anchors.
- Best wind-load performance for high-rise applications where negative wind pressures can exceed 3.0 kPa.
A Dubai-based developer we worked with on a 32-story residential tower initially specified 5 mm panels to save weight. After wind-load analysis showed negative pressures exceeding 2.8 kPa on the upper floors, they switched to 6 mm — a decision that added less than 3 kg/m² but eliminated any risk of panel fatigue under sustained cyclic wind loading. The additional material cost was approximately $3/m² FOB, negligible against the total project budget.
Best suited for: high-rise facades, ventilated rainscreen systems, public infrastructure, and any project where long-term structural security justifies a modest weight and cost premium.
Need help selecting the right thickness for your project parameters? Contact our technical team for a specification review →
Ultra-Light Sintered Stone Facade Installation Systems
Fifty years or ten. The installation system decides. For a broader overview of methods and best practices, see our complete installation guide for sintered stone.
Ventilated Rainscreen System (Most Common)
The ventilated rainscreen dominates for a reason. It provides a pressure-equalized cavity that manages moisture, allows continuous ventilation, and accommodates thermal insulation behind the cladding.
How it works: Panels are mechanically fixed to a metal substructure (typically extruded aluminum or stainless steel vertical carriers), which is anchored to the building's structural wall. A ventilation cavity of 20–40 mm between the panel and the insulation layer allows air circulation and drainage. The system uses either visible clips (easier installation, lower cost) or concealed undercut anchors (cleaner aesthetics, higher security).
Where it excels: Superior moisture management — condensation and driven rain drain freely through the cavity. Compatible with continuous external insulation, improving the building's thermal performance. Panels are individually removable and replaceable without disturbing adjacent panels. Meets the most stringent European facade regulations, including hurricane-resistance certifications for markets like Miami-Dade County.
The catch: The substructure adds cost and depth (typically 80–120 mm total system depth including insulation). For projects with tight reveals or limited setback, this depth may be a constraint.
The San Leandro Tech Campus in California used a sintered stone ventilated facade system with 6 mm panels and concealed mechanical anchoring. The six-story, 132,000 sf LEED Gold building relied on the ventilated cavity to reduce cooling loads in the hot California climate, while the sintered stone surface resisted UV degradation and thermal cycling without maintenance.
Adhesive/Thin-Set System
For renovation projects where minimizing system depth is critical, adhesive installation offers the slimmest possible profile — the panel plus adhesive adds only 5–8 mm to the wall.
How it works: A modified thin-set mortar or structural adhesive bonds the sintered stone panel directly to the prepared substrate. The adhesive creates a chemical-mechanical bond across the full panel back surface, distributing stresses uniformly and eliminating the stress concentrations that mechanical fasteners can create.
Where it excels: Minimal system depth — ideal for renovation overlays where reveals, flashings, and adjacent elements limit available space. No visible mechanical attachments. The chemical-elastic bond absorbs vibration and differential thermal movement. Fastest installation of the four systems — large-format panels can be set at rates exceeding 50 m² per crew per day with experienced installers.
The catch: The substrate must be structurally sound, clean, and flat. Adhesive systems do not correct for substrate deficiencies — they only bond to what's there. For buildings with questionable substrate conditions, a mechanical fixing system provides more predictable performance.
This is the system that made the Washington Park station renovation possible: 696 panels bonded directly to the existing concrete walls with no mechanical anchors, no substructure, and no interruption to the transit system's daily operations.
Curtain Wall Integration
Sintered stone panels can replace the opaque spandrel sections of aluminum-framed curtain walls — a common application in commercial office towers.
How it works: The sintered stone panel is set into the curtain wall's aluminum framing using the same glazing details as glass. Gaskets, setting blocks, and pressure plates secure the panel within the frame. The panel edge is typically concealed by the mullion and transom covers, creating a unified glass-and-stone facade.
Where it excels: Seamless visual integration between transparent (glass) and opaque (stone) zones. Eliminates the need for a separate cladding subcontractor — the curtain wall installer handles everything. Allows continuous insulation behind the stone spandrel, with no thermal bridging. The lightweight sintered stone panels — especially at 3–5 mm — impose minimal additional load on the curtain wall framing.
The catch: Panel sizes must be coordinated precisely with the curtain wall module. This is where large-format slabs (up to 1600 × 3200 mm) provide a significant advantage: they can be cut to fill large spandrel zones with minimal joints, maintaining the clean lines that architects demand.
Honeycomb Composite Panel System
For projects that need the absolute maximum strength-to-weight ratio — typically high-rise towers in seismic zones or extreme wind environments — the honeycomb composite system pairs ultra-thin sintered stone with an aluminum honeycomb core.
How it works: A 3 mm or 5 mm sintered stone veneer is bonded to an aluminum honeycomb core (typically 15–25 mm thick) using a high-performance structural adhesive. The resulting composite panel achieves the stiffness of a much thicker solid stone panel while maintaining a total weight of only 10–14 kg/m².
Where it excels: Exceptional flexural rigidity — the honeycomb geometry provides a high second moment of area, making the composite panel far stiffer than the stone veneer alone. Lightweight — total panel weight remains competitive with ACP systems. Can span longer distances between supports, reducing substructure costs. The aluminum core provides additional fire resistance (non-combustible core, unlike PE-core ACPs).
The catch: The adhesive bond between the stone veneer and the honeycomb core is the critical interface. It must survive decades of thermal cycling, moisture exposure, and UV degradation. Specify only systems with documented accelerated aging test results, and verify that the adhesive carries relevant certifications (EN 15024, for example).
Unsure which system fits your project? Our engineering team can evaluate your structural conditions and recommend the optimal approach. Request a consultation →
Large Format Sizes & Surface Styles
Available Slab Sizes
Ultra-light sintered stone is produced in large-format slabs that dramatically reduce joint counts on the facade — a major aesthetic and maintenance advantage. Standard production formats include:
| Format (mm) | Approx. Imperial | Panels per m² (no waste) |
|---|---|---|
| 900 × 1800 | 3' × 6' | 0.62 |
| 1200 × 2400 | 4' × 8' | 0.35 |
| 1200 × 2700 | 4' × 9' | 0.31 |
| 1600 × 3200 | 5'3" × 10'6" | 0.20 |
The 1600 × 3200 mm format deserves particular attention. A single slab covers over 5 m² — meaning fewer joints, fewer sealing operations, and a cleaner visual plane. For sintered stone facade product range, minimizing joints is not merely aesthetic; every joint is a potential point of water ingress, thermal movement, and long-term maintenance liability.
Use our area calculator for facade panel planning to estimate how many slabs your project requires and optimize cutting layouts.
Slabs can be cut to virtually any rectangular or custom shape in the factory, with CNC precision that ensures consistent dimensions across hundreds of panels.
Surface Finishes
| Finish | Description | Best For |
|---|---|---|
| Polished | High-gloss, mirror-like reflection | Lobby walls, feature panels |
| Honed/Matte | Smooth, low-sheen surface | General facade use, minimal glare |
| Textured/Sand | Fine tactile grain | High-traffic zones, anti-slip areas |
| Bush-hammered | Deeply textured, stone-like surface | Heritage context, pedestrian zones |
| Soft Touch | Velvety, fingerprint-resistant | Interior-exterior transitions |
For exterior facades, the honed or textured finish is most common — it conceals minor surface marking, reduces glare, and provides a more natural stone aesthetic than high-gloss polished surfaces.
Visual Styles
Modern sintered stone is available in an extensive range of visual styles that faithfully replicate natural materials:
- Marble looks — Calacatta, Statuario, Carrara, and other classic veined patterns, with vein continuity across multiple panels — available in our marble-look sintered stone collection
- Stone looks — Travertine, limestone, basalt, and slate textures
- Concrete and cement — Industrial aesthetics with warm or cool undertones
- Metal and oxidized — Corten, bronze, and oxidized metal effects
- Solid colors — Pure whites, blacks, and architectural neutrals
Unlike digital printing on porcelain, the color and pattern in sintered stone penetrate the full body of the panel. A scratch or chip on the surface reveals the same color underneath — not a white substrate. This full-body coloration is a significant advantage for exterior applications where surface wear is inevitable.
FOB Pricing & Procurement for Ultra-Light Sintered Stone
Our sintered stone sourcing guide covers supplier qualification and quality control in depth. For pricing specifics:
FOB China Price Ranges (USD/m²)
For importers, developers, and distributors evaluating the commercial viability of ultra-light sintered stone, here are the current indicative FOB price ranges from Chinese manufacturers:
| Thickness | FOB Price Range (USD/m²) | Typical Application |
|---|---|---|
| 3 mm | $15–30 | Lightweight overlay, adhesive systems |
| 5 mm | $12–28 | Balanced facade specification |
| 6 mm | $6–25 | Ventilated rainscreen, mechanical fixing |
Note: 6 mm appears at a comparable or lower price point because higher-volume production and broader supplier availability reduce unit costs. The 3 mm premium reflects tighter manufacturing tolerances and lower production yields.
These are FOB (Free on Board) prices — they do not include ocean freight, insurance, import duties, or inland logistics. For a complete landed cost analysis, see our sintered stone price guide.
What Affects Pricing
Prices move for predictable reasons:
- Surface finish. Polished finishes typically cost 10–20% more than honed or textured finishes due to additional processing steps.
- Visual style. Marble-look patterns with book-matched veining command a premium over solid colors or simple stone textures.
- Order volume. A 500 m² order and a 5,000 m² order from the same factory will have materially different unit prices. Volume commitments unlock better raw material pricing and production scheduling.
- Slab format. Larger formats (1600 × 3200 mm) carry a premium over smaller formats due to higher raw material consumption per usable panel and tighter quality requirements.
- Custom cutting and edge detailing. Factory-cut panels to project-specific dimensions add processing cost but reduce on-site waste and installation time.
- Certification requirements. Projects requiring specific test reports (fire, wind load, impact) or third-party inspection add documentation costs.
How to Request an Accurate Quote
To request an accurate sintered stone quotation within 24–48 hours, provide these seven specifications:
- Thickness (3 mm, 5 mm, or 6 mm)
- Slab format (or finished panel dimensions if factory-cut)
- Surface finish and visual style (referencing specific product codes or sending reference images)
- Estimated total area in m²
- Project location (for logistics planning and certification requirements)
- Required certifications (CE marking, fire test reports, wind load ratings)
- Delivery timeline
Send "I need sintered stone, send pricing" and you'll get a number — not a quote. The difference matters. The more complete your specification, the more precise — and often more competitive — the quotation will be.
Ready to get a quote for your project? Submit your specifications here →
Why FUNTEK for Ultra-Light Sintered Stone Facades
The real test of a supplier isn't the price list. It's whether the panels that arrive match the panels you specified — on schedule, with the docs to prove it.
FUNTEK manufactures large-format sintered stone at its production facility in China, with a product line specifically designed for the demands of exterior facade applications. The company's ultra-light panels in 3 mm, 5 mm, and 6 mm thicknesses are engineered for ventilated rainscreen, adhesive, curtain wall, and honeycomb composite installation systems.
What distinguishes FUNTEK in a market with dozens of manufacturers:
- Format range. Slabs up to 1600 × 3200 mm — among the largest available from any Chinese manufacturer — reducing joint counts and enabling bold, uninterrupted facade planes.
- Facade-specific testing. Every facade-grade panel ships with documented test results for fire performance (EN 13501-1 A1), water absorption, flexural strength, freeze-thaw resistance, and UV stability. No generic data sheets — project-specific documentation.
- OEM and private-label capability. For distributors and specifiers who need custom product lines, FUNTEK offers OEM manufacturing with branded packaging, custom surface designs, and tailored technical documentation.
- EU and Middle East market focus. FUNTEK's export operation is structured around the compliance requirements of European and Gulf Cooperation Council markets — CE marking, DoP documentation, and packaging optimized for long-distance ocean shipping.
The company works with architects and developers from specification through delivery, providing panel optimization (minimizing waste from slab cutting), structural load calculations, and installation method recommendations.
For a direct conversation about your project requirements, reach out to the FUNTEK team.
Conclusion
At 3 mm and 7 kg/m², you get 86% less weight than marble. At < 0.1% water absorption, moisture degradation is off the table. With EN 13501-1 Class A1, you clear Europe's toughest fire regulations without trying. And at FOB prices starting from $15/m² for 3 mm facade-grade panels, the commercial case is clear.
Whether you're retrofitting a heritage shell or cladding a supertall from scratch, there's an installation system and a thickness that fits — ventilated rainscreen, adhesive, curtain wall, or honeycomb composite at 3 mm, 5 mm, or 6 mm.
The next step is straightforward: define your project parameters, request a technical data sheet, and get a quote. The material is proven. The systems are established. The only variable is your project.
Start your specification today →
