1000 x 2500 mm Frameless Triple Glazed Flat Roof Skylight

Product Specifications

• Glazing Configuration: Triple Glazed

• Internal Glass Dimensions: 1000 x 2500 mm

• Overall External Dimensions: 1200 x 2700 mm

• Thermal Performance (U-Value): 0.9 W/m²K – Excellent insulation for year-round comfort

• Solar Heat Gain (G-Value): 58%

• Acoustic Rating (EN 12758): 39 dB – Significantly reduces external noise

• Unit Weight: 123.60 kg

• Glass Finish: Crystal Clear

• Glass Features: Self-Cleaning Surface

• UV Protection: Included

Glazing Composition

• Top Layer: 6 mm Planibel Clearlite – Toughened to BS EN 12150 standard

• Spacer: 15 mm Black Warm Edge

• Cavity Fill: 15 mm with 90% Argon Gas

• Middle Layer: 4 mm Planibel Clearlite – Thermally Toughened (BS EN 12150)

• Spacer: 15 mm Black Warm Edge

• Cavity Fill: 15 mm with 90% Argon Gas

• Inner Layer: Stratobel Clearlite 44.2 iplus 1.1 – Laminated glass with Low-E coating for enhanced insulation and safety (EN 14449)

Installation Guidelines

• Visual Border: Includes 200 mm black border—adds to both width and length externally

• Recommended Opening Size: Add 10 mm to internal measurements for optimal fitting

• Suggested Roof Opening: 1010 x 2510 mm (upstand to upstand)

• Upstand Materials: Use 2×1″ or 2×2″ timber

• Stress Reduction: Install foam rope on internal baton to manage load pressure

• Approved Sealant: Use only Dowsil 791 Black for long-term seal integrity

• Avoid: Do not use acrylic sealants

What’s Included

• 20-Year Structural Warranty

• Detailed Installation Guide

• Technical Assistance Available 24/7

• Stock Ready for Immediate Dispatch

• Secure Payment Gateway

Why Choose This Skylight?

Engineered for superior energy efficiency, acoustic performance, and architectural appeal, this triple glazed skylight offers the perfect solution for contemporary flat roof designs. With a frameless aesthetic and robust construction, it brings in generous natural light while maintaining indoor comfort, making it ideal for modern homes, extensions, and living spaces.