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Grey reflective curtain wall glass – neutral grey reflective glass for contemporary and minimalist curtain wall facades. Available in light grey, medium grey, dark grey, and silver grey shades. Reflective coating on float or tinted substrate. Optional Low-E coating for energy efficiency. Configurations: monolithic, laminated, insulated IGU (6+16Ar+6, 8+16Ar+8). Jumbo size up to 7660×14000 mm. Visible reflectivity 14–32%, shading coefficient 0.22–0.48. EN 1596, ASTM C1576 certified. Request FOB quote.
Grey Reflective Curtain Wall Glass | Neutral Grey Reflective Glass for Contemporary & Minimalist Facades
Neutral Grey Reflective Glass – The Understated Choice for Timeless, Minimalist Curtain Wall Architecture
Grey reflective curtain wall glass is the preferred neutral tone for architects seeking a sophisticated, understated facade that complements any building context. Unlike colored reflective glasses (blue, green, gold), grey reflective glass offers a subtle mirror finish with low color saturation – making it ideal for corporate headquarters, government buildings, museums, luxury residential towers, and mixed‑use developments where the architecture should speak louder than the glass color.
Grey reflective glass features a thin metallic oxide coating (pyrolytic hard‑coat or MSVD soft‑coat) that produces a neutral grey mirror effect. The coating can be applied to clear float glass (producing a lighter grey) or to tinted grey substrate (producing deeper, darker shades). For projects requiring both aesthetics and energy performance, we offer grey reflective glass with integrated Low‑E coating – either as a dual‑function coating or as a separate Low‑E layer within an IGU.
💡 Why grey reflective glass is the architect's neutral: Grey is the second most popular reflective glass color after blue, accounting for approximately 25–30% of colored reflective glass orders. Its neutrality means it never clashes with surrounding buildings, making it the safe choice for urban infill projects, historic district guidelines, and corporate campuses where brand colors change over time.
| Item | Monolithic | Laminated | Insulated IGU |
|---|---|---|---|
| Glass Type | 6mm / 8mm / 10mm | 6mm + 1.52PVB + 6mm | 6+16Ar+6 or 8+16Ar+8 |
| Coating | Pyrolytic hard‑coat or MSVD soft‑coat reflective | Same + PVB interlayer | Same + Low‑E optional |
| Shade Options | Light Grey, Medium Grey, Dark Grey, Silver Grey | Light Grey, Medium Grey, Dark Grey, Silver Grey | Light Grey, Medium Grey, Dark Grey, Silver Grey |
| Visible Reflectivity | 14–32% (exterior) | 14–32% (exterior) | 14–32% (exterior) |
| VLT | 16–48% | 14–43% | 12–40% |
| SHGC | 0.24–0.52 | 0.22–0.48 | 0.20–0.42 |
| U‑Value (IGU) | N/A (monolithic) | N/A (laminated) | ~1.6–2.7 W/m²K (without Low‑E) |
| Max Size | 3640 × 14100 mm | 3610 × 13600 mm | 3600 × 13900 mm |
| Shade Name | Visual Description | Exterior Reflectivity | Typical VLT | Best For |
|---|---|---|---|---|
| Light Grey | Pale silver, soft mirror | 14–18% | 38–48% | Corporate offices, tech campuses |
| Medium Grey | Neutral grey, balanced mirror | 18–24% | 28–38% | Government buildings, mixed‑use |
| Dark Grey | Charcoal, deep mirror | 24–32% | 16–28% | Luxury residences, museums |
| Silver Grey | Bright metallic, high shine | 20–28% | 22–34% | Landmark towers, flagship stores |
💡 Color matching: Physical samples (300×300mm) are provided free of charge for all shade evaluations. We recommend viewing samples under actual site lighting conditions before final specification.
Grey reflective glass is the most versatile colored glass – it works equally well with glass‑and‑steel modernism, concrete brutalism, stone classical, and green sustainable architecture. Its neutrality allows the building form, texture, and landscaping to take center stage.
Unlike trend‑driven colors, grey never goes out of style. A grey reflective facade installed today will still look contemporary in 20 years – a critical consideration for institutional and corporate clients who plan for decades of building life.
In dense city environments, grey reflective glass reflects the surrounding sky and buildings in a muted, harmonious way – avoiding the harsh contrast that bright blue or gold glass can create. This makes it the preferred choice for planning departments and historic preservation boards.
Grey reflective glass provides effective solar control through reflection. When combined with tinted grey substrate (for dark grey shade), it achieves SHGC as low as 0.20 – comparable to many Low‑E products.
Exterior visible reflectivity of 14–32% reduces glare for occupants while maintaining comfortable daylight levels. During daytime, the reflective exterior provides one‑way privacy – ideal for street‑level retail, conference rooms, and executive offices.
For projects requiring both grey aesthetics and superior thermal performance, we offer grey reflective IGU with integrated Low‑E coating:
| Option | Description | U‑Value Improvement |
|---|---|---|
| Option A | Grey reflective coating on outer lite + Low‑E coating on #3 surface | ~1.4 W/m²K (with 6+16Ar+6) |
| Option B | Dual‑function coating (grey reflective + Low‑E) on outer lite | ~1.5 W/m²K |
| Option C | Grey reflective monolithic + separate Low‑E IGU behind | ~1.4 W/m²K |
✅ Recommendation: For most commercial curtain walls, Option A provides the best balance of grey appearance and energy performance. The grey reflective coating is on the exterior surface (surface #1), while the Low‑E coating on surface #3 handles thermal insulation.
| Shade | VLT (%) | Exterior Reflectivity (%) | SHGC | SC |
|---|---|---|---|---|
| Light Grey | 42–48 | 14–18 | 0.42–0.52 | 0.48–0.60 |
| Medium Grey | 30–38 | 18–24 | 0.32–0.42 | 0.37–0.48 |
| Dark Grey | 16–28 | 24–32 | 0.24–0.34 | 0.28–0.39 |
| Silver Grey | 22–34 | 20–28 | 0.28–0.38 | 0.32–0.44 |
| Shade | VLT (%) | SHGC | U‑Value (W/m²K) |
|---|---|---|---|
| Light Grey | 36–42 | 0.34–0.44 | ~2.7 |
| Medium Grey | 25–33 | 0.26–0.36 | ~2.7 |
| Dark Grey | 12–22 | 0.20–0.28 | ~2.7 |
| Silver Grey | 18–28 | 0.22–0.32 | ~2.7 |
| Shade | VLT (%) | SHGC | U‑Value (W/m²K) |
|---|---|---|---|
| Light Grey | 32–38 | 0.26–0.36 | ~1.4 |
| Medium Grey | 22–30 | 0.20–0.30 | ~1.4 |
| Dark Grey | 10–18 | 0.15–0.22 | ~1.4 |
| Silver Grey | 16–24 | 0.18–0.26 | ~1.4 |
Our jumbo production capability applies to all grey reflective configurations.
| Parameter | Monolithic | Laminated | IGU |
|---|---|---|---|
| Max Width | ≤3640 mm | ≤3610 mm | ≤3600 mm |
| Max Height | ≤14300 mm | ≤13800 mm | ≤13100 mm |
| Max Area | ~52 m² | ~50 m² | ~47 m² |
| Thickness | 6–12 mm | Up to 24 mm | Up to 60 mm total |
| Shade | Price Range (USD/m²) |
|---|---|
| Light Grey | $17–26 |
| Medium Grey | $19–28 |
| Dark Grey | $21–32 |
| Silver Grey | $20–30 |
| Shade | Price Range (USD/m²) |
|---|---|
| Light Grey | $36–52 |
| Medium Grey | $38–54 |
| Dark Grey | $42–60 |
| Silver Grey | $40–58 |
| Factor | Impact |
|---|---|
| Shade darkness | Dark Grey +10–20% vs. Light Grey |
| Low‑E integration | +$12–20/m² |
| IGU vs. monolithic | +$20–30/m² |
| Laminating | +$15–30/m² |
| Tempering | Included in base price |
| Ceramic frit (spandrel) | +$8–15/m² |
| Quantity | FCL pricing available |
Submit your project requirements for a competitive FOB quotation and performance analysis.
Required Information:
Q1: What is grey reflective curtain wall glass?
It is glass coated with a thin metallic oxide layer that reflects light, producing a neutral grey mirror appearance. It is used for aesthetic, solar control, and privacy purposes in curtain wall facades.
Q2: What shades of grey are available?
Light Grey, Medium Grey, Dark Grey, and Silver Grey. Custom shades are possible with minimum order quantities.
Q3: Can grey reflective glass be combined with Low‑E coating?
Yes. We offer grey reflective IGU with Low‑E coating on surface #3 for enhanced thermal performance (U‑value ~1.4 W/m²K).
Q4: What is the difference between pyrolytic and MSVD reflective coatings?
Pyrolytic (hard‑coat) is applied during float glass manufacturing and is durable enough for exterior exposure. MSVD (soft‑coat) is applied offline and requires sealing within an IGU. Both are available.
Q5: Is grey reflective glass suitable for cold climates?
Yes. The reflective coating reduces heat loss slightly. For cold climates, we recommend using grey reflective IGU with Low‑E coating on surface #2.
Q6: Can I get a sample?
Yes. 300×300mm samples of all four shades are available free of charge.
Q7: What is the maximum size?
Monolithic up to 3650 × 14900 mm. IGU up to 8640 × 13500 mm.
Q8: What certifications do you provide?
EN 1696, ASTM C1676, IGCC, CE, ISO 2901, CCC, SGS.
Q9: What is the lead time?
Monolithic: 3–5 weeks. IGU: 5–7 weeks. Jumbo sizes: 7–9 weeks.
Q10: How does grey reflective glass compare to grey tinted glass?
Grey reflective glass has a mirror finish and higher reflectivity. Grey tinted glass absorbs rather than reflects light, resulting in a darker appearance and higher heat absorption. Reflective glass provides better solar control and privacy.
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