1500 x 1500 mm Frameless Flat Roof Skylight

Frameless Triple Glazed Skylight – 1500 x 1500 mm

Engineered for flat roof installations in modern homes or commercial spaces, this triple-glazed skylight offers a seamless architectural look while delivering outstanding energy efficiency and visual impact.

Crafted with self-cleaning, thermally toughened glass, the unit achieves exceptional thermal performance with a U-Value of just 0.9 W/m²K — promoting interior comfort across all seasons and minimizing heat loss.

Its robust construction features oversized glazing to enhance durability, structural integrity, and sound insulation, making it ideal for large roof openings where reinforced stability is essential.

✅ Product Highlights:

• Glazing Structure: Triple glazed for maximum insulation and clarity

• Internal Glass Size: 1500 x 1500 mm

• External Glass Size: 1700 x 1700 mm

• Top Layer: 8 mm Toughened Clear Glass (BS EN 12150 certified)

• Middle Layer: 6 mm Low-E Toughened Glass for thermal efficiency

• Bottom Layer: 8 mm Toughened Clear Glass (BS EN 12150 certified)

• Spacer Bar: 15 mm Black Warm Edge

• Gas Fill: Dual 15 mm air cavities filled with 90% Argon

• Thermal U-Value: 0.9 W/m²K

• Solar Control (G-Value): 58%

• Noise Reduction: Rated at 39 dB

• Glass Treatment: Self-cleaning coating

• UV Resistance: Built-in protection

• Tint: Clear

• Unit Weight: Approx. 110.85 kg

🛠 Installation Guidelines:

• Opening Size: Add 10 mm to internal measurements for fit (e.g. 1510 x 1510 mm opening for 1500 x 1500 mm glass)

• Upstand Construction: Use 2″x1″ or 2″x2″ timber for optimal support

• Sealant Tip: Apply black Dowsil 791 around the perimeter for a weatherproof seal

• Support Note: Place foam rope on the internal support baton to evenly balance glass weight

• Visual Detail: Features a 200 mm black-painted glass border included in the external dimensions

🌟 Key Benefits:

• Floods interiors with daylight without visible internal frames

• Designed for superior thermal insulation and reduced external noise

• Crafted for strength, longevity, and minimal upkeep

• Conforms with British building standards and CE compliance

• Compatible with flat roofs pitched up to 45°