1500 x 3000 mm Flat Roof Skylight – Frameless, Triple Glazed
£2,285.00
Experience expansive daylight and contemporary design with this ultra-wide, triple-glazed rooflight. Engineered for outstanding insulation and low thermal transmittance, its sleek frameless profile makes it an ideal choice for large spaces seeking both style and energy performance.
🌤 Frameless Flat Roof Skylight (1500 x 3000 mm)
Transform your interior with a striking architectural feature — the frameless flat roof skylight, sized at 1500 x 3000 mm. Designed for both residential and commercial spaces, this fixed, non-opening rooflight is crafted with triple-glazed, thermally toughened safety glass to deliver outstanding thermal insulation and acoustic performance.
With a U-value of just 0.9 W/m²K and integrated UV protection, it provides excellent energy efficiency and year-round interior comfort.
🔍 Key Product Details:
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Glazing Configuration: Triple glazed
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Visible Glass Area: 1500 x 3000 mm
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Overall Glass Size: 1700 x 3200 mm
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Top Glass Layer: 8 mm Planibel Clearlite – thermally toughened (BS EN 12150)
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Middle Layer: 6 mm Low-E iplus – thermally toughened with coating (EN 12150)
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Bottom Glass Layer: 8 mm Planibel Clearlite – thermally toughened (BS EN 12150)
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Spacer: 15 mm black warm edge
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Air Gaps: Dual 15 mm argon-filled cavities (90%)
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Thermal Efficiency (U-Value): 0.9 W/m²K
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Solar Factor (G-Value): 58%
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Acoustic Rating (EN 12758): 39 dB
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Total Weight: 266.30 kg
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Glass Tint: Clear
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Self-Cleaning Coating: Yes
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UV Resistance: Yes
Structural Note: Due to the panel width exceeding 1 metre, the bottom layer must be thermally toughened for safety.
✅ Compliance & Performance Standards
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CE marked and meets applicable European directives
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Manufactured to align with British Standards and UK building regulations
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Maximum recommended installation angle: 45° (non-opening applications only)
🛠 Installation Reference Guide:
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Top Pane Black Border: 100 mm wide, increasing external dimensions by 200 mm in all directions
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Suggested Opening Size: Add 10 mm internally to upstand for proper fitting (1510 x 3010 mm)
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Upstand Material: Use pressure-treated timber (2″x1″ or 2″x2″)
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Approved Sealant: Only Dowsil 791 (black) — avoid acrylic-based products
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Foam Rope Use: Recommended to support pressure distribution and minimize stress during installation
✨ Product Highlights
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Crystal-clear appearance with advanced self-cleaning technology
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Exceptional energy performance and modern structural integrity
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Engineered with precision for long-term reliability and architectural elegance

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