Regular Roof Lantern 2000 x 4000mm

Rooflight Factory Slimline Roof Lantern – Elegant Design, Exceptional Thermal Efficiency

Transform your living space with the Rooflight Factory Slimline Roof Lantern, a precision-engineered solution that combines minimalist design, industry-leading strength, and outstanding insulation. Perfect for extensions, kitchens, and open-plan areas, this contemporary roof lantern floods your home with natural light while maintaining superior energy efficiency and year-round comfort.

Slimmer, Smarter Design

• 60% slimmer internal ridge compared to standard alternatives, allowing more natural light.
• 38% slimmer internal hip for a cleaner, more refined interior aesthetic.
• Over 50% lower external bulk for a sleek and minimal roofline.

The ultra-slim profile offers uninterrupted sightlines and a bright, airy atmosphere — blending cutting-edge engineering with modern architectural style.

Built Stronger for Lasting Durability

• Independently tested to withstand a uniformly distributed load of 3.5 kN/m², ensuring exceptional structural integrity.
• Features a structural ring beam that provides complete stability without relying on the builder’s kerb.
• Pressure-plated system enhances rigidity, weather protection, and long-term performance.

Each component of the Rooflight Factory lantern is designed for strength, ensuring dependable performance even in challenging weather conditions.

Superior Thermal Performance

• Thermal break in ridge and rafters prevents cold bridging and improves internal comfort.
• Industry-leading U-values as low as 0.95 W/m²K on ridge and rafters.
• Best U-value for double glazing: 1.0 W/m²K.
• Best U-value for triple glazing: 0.5 W/m²K (note: longer lead times may apply).

This advanced insulation technology ensures excellent energy efficiency, keeping your home warm in winter, cool in summer, and reducing overall heating costs.

Installer-Friendly Construction

• No need for excess silicone at connection points – ensuring neat, watertight joints.
• Quick and efficient assembly for fast, professional installation.
• Pre-engineered accuracy eliminates on-site guesswork and ensures a perfect fit.

Architectural Precision – The Professional’s Choice

• Variable pitch options available for design flexibility.
• Proportionately balanced roof with 40 mm ridge and hips for symmetry and style.
• Stock lanterns at 25° pitch, with custom options available on standard lead times.

Architects and homeowners alike choose the Rooflight Factory Slimline Roof Lantern for its refined appearance, balanced proportions, and design versatility.

Solar Control Glass – Comfort Meets Efficiency

Enhance your living environment with Rooflight Factory solar control glass. This high-performance glazing combines low-emissivity inner glass and argon gas filling to reduce solar heat transmission by up to 50% compared to ordinary double glazing. The result is optimal light, improved insulation, and reduced glare — helping to maintain a comfortable temperature throughout the year while cutting energy costs.

Self-Cleaning Glass – Effortless Maintenance

Enjoy pristine clarity with our advanced self-cleaning glass technology. Activated by UV light and rainwater, the coating breaks down and washes away dirt, dust, and organic matter, minimising the need for manual cleaning. This innovative feature saves time and keeps your roof lantern looking its best for years to come.

Technical Specifications

• Double-glazed units incorporate toughened safety glass for maximum durability and protection.
• Manufactured in compliance with BS EN 1279 Parts 2 & 3 and BS EN 12150.
• Meets the highest British and European quality standards for safety, performance, and efficiency.

Why Choose Rooflight Factory?

At Rooflight Factory, we combine precision engineering, modern aesthetics, and premium materials to deliver roof lanterns that stand out for both beauty and performance. The Slimline Roof Lantern offers exceptional strength, unrivalled thermal insulation, and a sleek design that enhances any living space.

Choose Rooflight Factory for a roof lantern that’s slimmer, stronger, and more efficient — designed to elevate your home with light, comfort, and lasting quality.