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Jumbo Low-E glass and Jumbo Low-E IGU – oversized low-emissivity glass up to 3300×13000mm, available as single silver, double silver, and triple silver Low-E coatings. Configured into insulated glass units (6+12Ar+6, 6+16Ar+6, 8+16Ar+8) with argon/krypton fill, warm-edge spacers. U-values from 1.1 W/m²K. Blue, Grey, Bronze, Gold, Silver, Neutral tints available. CE / ASTM E2190 / IGCC certified. Request FOB quote.
Jumbo Low‑E Glass / Jumbo Low‑E IGU | Oversized Low‑Emissivity Glass & Insulating Units for High‑Performance Facades
Oversized Low‑Emissivity Glass & Insulating Glass Units – The Energy‑Efficiency Engine for Super‑Scale Curtain Walls & Iconic Facades
Jumbo Low‑E glass refers to oversized low‑emissivity coated glass – typically exceeding 3.3 m × 2.4 m – that carries a microscopically thin, magnetron‑sputtered coating of silver and metal oxides. This coating selectively reflects long‑wave infrared heat while transmitting visible light, delivering the thermal performance required by today's strictest energy codes without sacrificing daylight or views.
When Jumbo Low‑E glass is incorporated into a sealed insulating glass unit (IGU) – paired with a second pane, a warm‑edge spacer, and argon or krypton gas fill – the result is a Jumbo Low‑E IGU: a jumbo‑sized, energy‑efficient double‑glazed unit that can achieve U‑values as low as 0.6 W/m²K. This makes it the defining glazing specification for super‑tall towers, airport terminals, museum facades, and landmark commercial developments.
💡 Industry context: "Low‑E glass" belongs to the broader Coated Glass family, which also includes reflective (solar control) glass. On the Jumbo Glass website, Jumbo Low‑E Glass lives under the Reflective Glass / Coated Glass product pillar as a performance‑driven sub‑category, organized by coating type (single/double/triple silver) and color/tint rather than by thickness alone – aligning with how European and North American buyers actually search.
Low‑E (low emissivity) coatings are applied via magnetron sputtering (soft coat) – the same MSVD technology used by Vitro's Coater7, North America's largest jumbo MSVD coater. The coating:
| Coating Type | Silver Layers | U‑Value (6+16Ar+6) | SHGC | VLT | Best For |
|---|---|---|---|---|---|
| Clear (no coating) | 0 | ~2.5 W/m²K | ~0.76 | ~80% | Baseline |
| Single Silver Low‑E | 1 | ~1.7 W/m²K | 0.29–0.56 | 35–71% | Standard energy‑saving windows |
| Double Silver Low‑E | 2 | ~1.4 W/m²K | 0.22–0.44 | 41–72% | Office façades & large glazed areas |
| Triple Silver Low‑E | 3 | ~1.1 W/m²K | 0.21–0.29 | 41–63% | Projects with strongest solar control |
💡 Double silver Low‑E is the commercial curtain wall standard. Triple silver is specified when SHGC must drop below 0.30 – typical for Middle Eastern, Southeast Asian, and other intense‑solar‑climate projects.
| Configuration | Coating | Gas Fill | U‑Value | Max Size |
|---|---|---|---|---|
| 6+12Ar+6 | Double Silver | Argon | ~1.5 W/m²K | 3300 × 8000 mm |
| 6+16Ar+6 | Double Silver | Argon | ~1.4 W/m²K | 3300 × 8000 mm |
| 6+16Kr+6 | Triple Silver | Krypton | ~1.2 W/m²K | 3300 × 8000 mm |
| 8+16Ar+8 | Double Silver | Argon | ~1.4 W/m²K | 3300 × 11000 mm |
| 8+16Kr+8 | Triple Silver | Krypton | ~1.1 W/m²K | 3300 × 11000 mm |
| 10+16Ar+10 | Double Silver | Argon | ~1.4 W/m²K | 3000 × 13000 mm |
| 10+16Kr+10 | Triple Silver | Krypton | ~1.0 W/m²K | 3000 × 13000 mm Our jumbo IGU production line supports maximum dimensions of 3300 × 13000 mm, with extreme lengths up to 20000 mm available on request. |
Jumbo Low‑E glass is available across the full spectrum of architectural tints. Each tint can be paired with single, double, or triple silver Low‑E coating:
| Color / Tint | Appearance | Typical Coating Match | Best For |
|---|---|---|---|
| Neutral / Clear Low‑E | Colorless, high clarity | Double or Triple Silver | Corporate towers, museums, Apple‑style flagship |
| Blue Low‑E (e.g., Pacifica®‑style) | Cool blue, crisp & modern | Double Silver | Healthcare, high‑tech, corporate, waterfront |
| Bronze Low‑E (e.g., Solarbronze®‑style) | Warm bronze, earthy | Double Silver | Brick/stone facades, hospitality, retail |
| Grey Low‑E (e.g., Solargray®‑style) | Neutral grey, professional | Double or Triple Silver | Office towers, government, balanced designs |
| Green Low‑E | Subtle green, natural | Single or Double Silver | Sustainable buildings, park‑side developments |
| Silver‑Blue Reflective Low‑E (e.g., Solarban® R77‑style) | Cool silver‑blue, mirrored | Double Silver + MSVD reflective | Bold commercial landmarks |
| Gold / Champagne Low‑E (e.g., Solarban® Champagne™‑style) | Warm gold, luxurious | Double Silver + tinted substrate | Landmark towers, luxury hotels, financial HQs |
| Black / Dark Reflective Low‑E | Near‑black, dramatic | Triple Silver | Supertall towers >200m (avoids "smokestack effect") |
💡 Color is the #1 search driver for reflective/coated glass in Western markets. Buyers search "Blue Low‑E Glass," "Bronze Low‑E IGU," "Gold Reflective Low‑E" – not "6mm Low‑E." Our Jumbo Low‑E pages are structured accordingly: by color first, thickness second.
Typical performance ranges for Jumbo Low‑E IGUs:
| Parameter | Single Silver | Double Silver | Triple Silver |
|---|---|---|---|
| U‑Value (W/m²K) | 1.6–1.8 | 1.4–1.6 | 1.1–1.4 |
| SHGC | 0.29–0.56 | 0.22–0.44 | 0.21–0.29 |
| VLT | 35–71% | 41–72% | 41–63% |
| UV Blockage | ~85% | ~90% | ~95% Data from industry benchmarks. Actual values depend on coating selection, gas fill, spacer type, and glass substrate. |
| Climate Zone | Recommended Low‑E | Target SHGC | Target U‑Value |
|---|---|---|---|
| Hot & Dry (Middle East, North Africa) | Triple Silver | ≤0.22 | ≤1.4 W/m²K |
| Hot & Humid (SE Asia, Florida) | Triple Silver | ≤0.25 | ≤1.4 W/m²K |
| Temperate (Europe, US Mid‑Atlantic) | Double Silver | 0.30–0.40 | ≤1.4 W/m²K |
| Cold (Northern Europe, Canada) | Double Silver (high VLT) | 0.40–0.60 | ≤1.0 W/m²K |
| Polar/Extreme (Arctic, Alpine) | Double Silver + Triple Glazing | 0.35–0.50 | ≤0.8 W/m²K |
| Configuration | Rw (dB) |
|---|---|
| 6+12Ar+6 Clear / Clear | ~34 dB |
| 6+12Ar+6 + one laminated pane | ~38 dB |
| 8+16Ar+8 + both laminated (PVB) | ~42 dB |
| 10+16Kr+10 + both laminated (SGP) | ~46 dB |
| Specification | Jumbo Low‑E Glass (Monolithic) | Jumbo Low‑E IGU |
|---|---|---|
| Glass Thickness | 4, 5, 6, 8, 10, 12, 15, 19 mm | 4–19 mm per pane |
| Coating Type | Single / Double / Triple Silver Low‑E | Single / Double / Triple Silver Low‑E |
| Colors/Tints | Neutral, Blue, Bronze, Grey, Green, Silver‑Blue, Gold/Champagne, Black | Same |
| IGU Configurations | – | 5+12Ar+5 to 10+16Kr+10 |
| Total IGU Thickness | – | 21–38 mm |
| Max Size (Monolithic) | 3300 × 13000 mm | – |
| Max Size (IGU) | – | 13000 × 3000 mm |
| Extreme Length | Up to 20000 mm | Up to 20000 mm |
| Spacer Options | – | Aluminum, Warm Edge TPE, Swisspacer, Stainless Steel, Structural Silicone |
| Gas Fill | – | Air, Argon, Krypton |
| U‑Value | N/A (monolithic) | 1.0–1.8 W/m²K |
| SHGC | 0.21–0.56 (coating dependent) | 0.21–0.56 |
| VLT | 35–72% | 35–72% |
| UV Blockage | 85–95% | 85–95% |
| Sound Reduction (Rw) | ~31 dB (6mm) | 34–46 dB |
| Wind Load Resistance | Tempering mandatory for jumbo sizes | Up to 2400 Pa (ASTM E2190) |
| Certifications | CE, ASTM, ANZI, EN | CE, ASTM E2190, IGCC, SGCC, EN 1279 |
| Seal Life | – | 30+ years (Ködispace sealant) |
| MOQ | 1 × 20′ FCL | 1 × 20′ FCL |
| Lead Time | 2–4 weeks | 4–6 weeks |
Jumbo Low‑E glass can be fully processed in‑house:
Per our SEO strategy for Reflective/Coated Glass, Jumbo Low‑E glass is organized into a color‑based topic cluster – the structure Western buyers naturally search:
Reflective Glass / Coated Glass
├── Low‑E Glass (hub page)
│ ├── Neutral Low‑E Glass
│ │ ├── 6mm Neutral Low‑E + 16Ar + 6mm Clear
│ │ ├── 8mm Neutral Low‑E + 16Ar + 8mm Clear
│ │ └── Neutral Low‑E IGU
│ ├── Blue Low‑E Glass ⭐ (high search volume)
│ │ ├── 6mm Blue Low‑E + 16Ar + 6mm Clear
│ │ ├── 8mm Blue Low‑E + 16Ar + 8mm Clear
│ │ └── Blue Low‑E IGU
│ ├── Bronze Low‑E Glass ⭐ (high search volume)
│ │ ├── 6mm Bronze Low‑E + 16Ar + 6mm Clear
│ │ ├── 8mm Bronze Low‑E + 16Ar + 8mm Clear
│ │ └── Bronze Low‑E IGU
│ ├── Grey Low‑E Glass ⭐ (high search volume)
│ │ ├── 6mm Grey Low‑E + 16Ar + 6mm Clear
│ │ ├── 8mm Grey Low‑E + 16Ar + 8mm Clear
│ │ └── Grey Low‑E IGU
│ ├── Silver‑Blue Reflective Low‑E Glass
│ │ └── Silver‑Blue Low‑E IGU
│ ├── Gold / Champagne Low‑E Glass ⭐ (high commercial value)
│ │ ├── 6mm Gold Low‑E + 16Ar + 6mm Clear
│ │ ├── 8mm Gold Low‑E + 16Ar + 8mm Clear
│ │ └── Gold Low‑E IGU
│ └── Black Reflective Low‑E Glass
│ └── Black Low‑E IGU (supertall >200m)
Each color page follows the same template: Overview → Available Thicknesses → Max Size → Reflective Performance → VLT/SHGC/U‑Value → Processing → Applications → Price Guide → FAQ → Request Quote.Jumbo Low‑E IGU is the defining glazing specification for super‑tall towers (300m+). The combination of jumbo dimensions, double/triple silver Low‑E, and argon/krypton fill meets the stringent thermal and structural demands of the world's tallest buildings. Wind load testing per ASTM E2190 confirms performance at 2400 Pa.
Large‑span skylights in airports (e.g., Changi‑style terminals) require jumbo Low‑E IGU for both thermal performance and acoustic control. Our units achieve Rw ≥40 dB and U‑value ≤1.2 W/m²K.
Museum facades demand >95% UV blockage to protect priceless collections. Jumbo Low‑E IGU with triple silver coating delivers this while maintaining neutral appearance and high VLT.
Hotels specify jumbo Low‑E IGU in Gold/Champagne and Bronze tints for brand identity, solar control, and guest comfort.
Double silver Low‑E in Neutral or Grey tint is the global standard for office curtain walls – balancing energy efficiency, daylight, and professional aesthetics.
Reflective Blue or Silver‑Blue Low‑E IGU provides solar control and a distinctive mirror‑like facade for shopping centers.
Jumbo Low‑E glass can be combined with photovoltaic films for energy‑generating facades.
Triple silver Low‑E in jumbo IGU format, paired with krypton fill, achieves U‑values ≤0.8 W/m²K for Arctic and Antarctic research stations.
| Standard | Region | Scope |
|---|---|---|
| CE Marking | Europe | Mandatory for EU market |
| ASTM E2190 | USA | IGU performance & durability |
| IGCC | USA/Canada | Insulating Glass Certification Council |
| SGCC | USA | Safety Glazing Certification Council |
| EN 1279 | Europe | IGU product standard |
| ANSI Z97.1‑2015 | USA | Safety glazing material standard |
| AS/NZS 2208:1996 | Australia/NZ | Safety glazing standard |
| EN 14449:2005 | Europe | Laminated glass standard |
| ISO 9001 | International | Quality management |
| CCC | China | Mandatory for Chinese market |
| SGS | Global | Third‑party inspection |
Our jumbo Low‑E glass production leverages:
Due to the highly customized nature of jumbo Low‑E glass (coating type, tint, thickness, IGU configuration, spacer, gas fill all affect price), we provide indicative FOB ranges by configuration:
| Thickness | Coating | FOB Range (USD/m²) |
|---|---|---|
| 6mm | Single Silver Low‑E | $18–26 |
| 8mm | Single Silver Low‑E | $22–30 |
| 10mm | Single Silver Low‑E | $26–36 |
| 6mm | Double Silver Low‑E | $22–32 |
| 8mm | Double Silver Low‑E | $26–38 |
| 10mm | Double Silver Low‑E | $30–44 |
| 6mm | Triple Silver Low‑E | $28–40 |
| 8mm | Triple Silver Low‑E | $32–46 |
| 10mm | Triple Silver Low‑E | $36–52 |
| Configuration | Coating / Gas | FOB Range (USD/m²) |
|---|---|---|
| 6+12Ar+6 | Single Silver / Argon | $26–38 |
| 6+16Ar+6 | Single Silver / Argon | $28–40 |
| 6+16Ar+6 | Double Silver / Argon | $30–44 |
| 6+16Kr+6 | Double Silver / Krypton | $36–50 |
| 8+16Ar+8 | Double Silver / Argon | $38–52 |
| 8+16Kr+8 | Triple Silver / Krypton | $46–62 |
| 10+16Ar+10 | Double Silver / Argon | $44–60 |
| 10+16Kr+10 | Triple Silver / Krypton | $54–72 |
| 6+16Ar+6 Laminated | Double Silver / Argon | $42–58 |
| 8+16Ar+8 Lami/Lami | Triple Silver / Argon | $64–86 |
💡 Jumbo size surcharge: Panels exceeding 3300 × 6000 mm incur a 10–20% surcharge due to specialized handling and crating. For a precise project quotation including U‑value calculations, SHGC/VLT data, and wind load analysis, send us your curtain wall elevation drawings or glass schedule.
Q1: What is the difference between Low‑E glass and reflective glass?
Reflective glass (solar control glass) uses a coating to reflect solar radiation and appears mirrored; Low‑E glass uses a microscopic silver coating to selectively reflect infrared heat while maintaining high visible light transmission. Both are sub‑categories of Coated Glass.
Q2: What does "jumbo" mean for Low‑E glass?
Jumbo Low‑E glass exceeds the standard 2440 × 3660 mm size, typically ≥3000 × 6000 mm, with maximum dimensions of 3300 × 13000 mm.
Q3: Which Low‑E coating should I choose?
Single silver for mild climates and budget projects; double silver for most commercial curtain walls (the global standard); triple silver for intense solar climates (Middle East, SE Asia) or where SHGC must be ≤0.30.
Q4: Can Low‑E glass be tempered?
Yes. Low‑E coating is applied before tempering. The tempering process (620°C) does not damage the MSVD coating.
Q5: What is the U‑value of Jumbo Low‑E IGU?
With double silver Low‑E, 6+16Ar+6: ~1.4 W/m²K. With triple silver Low‑E, 8+16Kr+8: ~1.1 W/m²K. With triple silver + krypton + 16mm gap: down to 1.0 W/m²K. Whole‑window U‑value depends on frame.
Q6: What colors are available?
Neutral/Clear, Blue, Bronze, Grey, Green, Silver‑Blue reflective, Gold/Champagne, Black. Each available with single/double/triple silver Low‑E.
Q7: What is the maximum size?
Up to 3300 × 13000 mm for jumbo Low‑E IGU. Extreme lengths to 20000 mm available on request.
Q8: How long does the seal last?
30+ years with Ködispace sealant and automatic warm‑edge spacer technology.
Q9: Is jumbo Low‑E IGU suitable for super‑tall buildings?
Yes. Our units pass 2400 Pa wind load testing (ASTM E2190) and are suitable for 300m+ skyscrapers. Project portfolio includes Burj Khalifa.
Q10: What certifications do you provide?
CE, ASTM E2190, IGCC, SGCC, EN 1279, ANSI Z97.1, AS/NZS 2208, EN 14449, ISO 9001, CCC, SGS.
Q11: Can jumbo Low‑E glass be laminated or curved?
Yes. Fully in‑house processing: tempering, laminating (PVB/SGP), curving (up to 2800 × 7500 mm), ceramic frit printing, smart film integration.
Q12: How do I choose the right tint?
Blue for healthcare/high‑tech/waterfront; Bronze for hospitality/retail/brick facades; Grey for professional office towers; Gold/Champagne for luxury landmarks; Black for supertall >200m (avoids "smokestack effect"); Neutral for museums and flagships requiring maximum clarity.
Tell us your project requirements and we'll respond within 48 hours with a competitive FOB quotation, preliminary U‑value/SHGC/VLT calculations, and wind load analysis.
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With over 20 years of experience and expertise in glass manufacturing and processing, we are seasoned glass specialists, ready to answer your questions and provide guidance on product selection, installation, and maintenance.
