500 x 500 mm Frameless Triple Glazed Flat Roof Skylight

Illuminate your interiors with the Skyline Sky Lights 500 x 500 mm Flat Roof Skylight, a compact yet powerful daylighting solution for homes and buildings. Ideal for bathrooms, hallways, or smaller rooms, this non-opening frameless unit features triple-glazed safety glass, delivering durability, clarity, and excellent insulation.

Engineered with precision, this skylight provides a U-Value of just 0.9 W/m²K and a noise reduction rating of 39 dB, ensuring year-round comfort, energy savings, and acoustic insulation.

🔍 Technical Specifications:

• Glazing Type: Triple Glazed

• Internal Glass Size: 500 x 500 mm

• External Glass Size: 700 x 700 mm

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

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

• Bottom Pane: Stratobel Clearlite 44.2 iplus 1.1 – Laminated Low-E (EN 14449)

• Spacer Type: 15 mm Black Warm Edge

• Air Gap: 15 mm 90% Argon Filled (both layers)

• U-Value: 0.9 W/m²K

• G-Value: 58%

• Net Weight: 14.85 kg

• Glass Tint: Clear

• Self-Cleaning: Yes

• UV Protected: Yes

🛡️ Certified Safety & Quality

Our skylights conform to UK Building Regulations and British Safety Standards. Fully CE marked, ensuring quality, durability, and peace of mind. Can be installed on flat roofs up to a 45° pitch.

🛠️ Installation Guidance:

• External size includes a black ceramic border extending 200 mm each side.

• Add 10 mm extra internally from upstand to upstand for fitting tolerance.

• Use 2×1″ or 2×2″ timbers to build the upstand.

• Insert foam rope on the internal support baton for pressure distribution.

• Use Dowsil 791 black sealant for watertight protection. (Do not use acrylic sealants.)

🧮 Need a Custom Size?

Get a precise fit using our Frameless Skylight Size Calculators — perfect for unique architectural requirements.

🏆 Why Choose Skyline Sky Lights?

• Elegant, frameless design with energy-efficient triple glazing

• Ideal for small rooms, bathrooms, or lofts

• UV protection + self-cleaning glass = low maintenance

• 20-year manufacturer’s warranty

• Fast UK-wide delivery included