800 x 800 mm Frameless Triple Glazed Flat Roof Skylight

The 800 x 800 mm Triple Glazed Frameless Skylight is a sleek, high-performance fixed skylight designed for flat roofs. Featuring self-cleaning, UV-protected, and thermally toughened glass, it ensures long-lasting clarity and exceptional insulation with a U-Value of 0.9 W/m²K.

Ideal for modern architecture and energy-conscious homes, this skylight provides comfort, safety, and style while conforming to the latest building regulations.

🔍 Technical Specifications:

• Glazing Type: Triple Glazed

• Internal Glass Size (Quoted): 800 x 800 mm

• External Glass Size: 1000 x 1000 mm

• Top Pane: 6 mm Planibel Clearlite – Thermally Toughened (BS EN 12150)

• Middle Pane: 6 mm iplus – Thermally Toughened with Low-E Coating (EN 12150)

• Bottom Pane: Stratobel Clearlite 44.2 – Laminated Glass (EN 14449)

• Spacer Type: 15 mm Black Warm Edge

• Air Gaps: 2 x 15 mm – 90% Argon Filled

• U Value: 0.9 W/m²K

• G Value: 58%

• Sound Insulation: 39 dB (EN 12758)

• Glass Tint: Clear

• Net Weight: 34.20 kg

• Self-Cleaning: Yes

• UV Protection: Yes

🛡️ Safety & Certification:

• Fully compliant with British Standards & Building Regulations

• CE Marked – Certified to meet EU safety and performance standards

• Safe for installation on roofs pitched up to 45°

🛠️ Installation Guidelines:

• External Overhang: Includes 200 mm black border – actual external size: 1000 x 1000 mm

• Opening Allowance: Add 10 mm internally from upstand to upstand (e.g., for 800 x 800, opening = 810 x 810 mm)

• Upstand Construction: Use 2×1″ or 2×2″ treated timber

• Sealant Recommendation: Use Dowsil 791 black for sealing – do not use acrylic sealants

• Foam Rope: Recommended for stress relief on internal baton support

🚚 Delivery Options:

• ✅ Free Delivery within London (M25)

• 🚛 Nationwide Delivery Available

📐 Need a Different Size?

Use our online calculators to find the perfect fit:

• Custom Frameless Skylight Calculator

• Oversize Skylight Calculator

🌟 Why Choose Saris-Extensions Skylights?

• Frameless elegance meets cutting-edge thermal performance

• Triple-glazed for maximum energy savings

• Self-cleaning and UV-blocking technology

• Precision-engineered, certified & reliable

• Delivered across the UK with free London (M25) shipping