Square Roof Lantern 1250 x 1250mm

Rooflight Factory Slimline Roof Lantern – Stylish, Strong, and Energy Efficient

Bring natural light and modern elegance into your home with the Rooflight Factory Slimline Roof Lantern. Expertly designed for contemporary living, this advanced roof lantern combines slim, minimalistic framing with exceptional strength and superior thermal performance. Ideal for kitchens, extensions, and open-plan spaces, it provides a stunning architectural feature that enhances both comfort and style.

Slimmer Design for Maximum Light

• 40 mm wide rafters create a sleek, refined appearance with clean sightlines.
• 38% slimmer internal hip compared to standard alternatives, increasing visible glass area.
• Over 50% lower external bulk for an ultra-slim exterior profile and more natural light.

The Slimline design allows light to flood your space, making it brighter and more spacious while maintaining a modern and unobtrusive look.

Engineered for Superior Strength

• Tested to withstand a uniform distributed load of 3.5 kN/m² for exceptional durability and safety.
• Features a structural ring beam that provides stability without relying on the builder’s kerb.
• Pressure-plated system ensures extra rigidity and security under all conditions.

Every component of the Rooflight Factory lantern is built with precision engineering, ensuring strength, reliability, and long-lasting performance.

Outstanding Thermal Performance

• Innovative thermal break in rafters prevents cold bridging and reduces condensation.
• Industry-leading U-values as low as 1.5 W/m²K on ridge and rafters for double-glazed roofs.
• Overall glazing U-value of 1.0 W/m²K for excellent insulation and energy efficiency.

Enjoy year-round comfort with superior temperature control — keeping interiors warm in winter and cool in summer, while helping to reduce energy costs.

Installer-Friendly Design

• No excess silicone required at joints, ensuring clean and watertight connections.
• Engineered for quick, efficient installation with fewer on-site adjustments.
• Designed for precision and ease, delivering a professional finish every time.

Architectural Precision – The Designer’s Choice

• Contemporary appearance with a balanced, proportionate structure.
• Uniform 40 mm rafters and hips create a clean, consistent look.
• Available in 25° stock lanterns for optimal light and aesthetic harmony.

Perfectly proportioned and visually refined, this lantern roof is the ideal choice for architects and homeowners seeking style and performance in equal measure.

Solar Control Glass – Comfort and Clarity

Transform your home’s ambience with Rooflight Factory solar control glass. This advanced glazing technology uses a combination of 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 better insulation, reduced glare, and enhanced energy efficiency — keeping rooms brighter, warmer, and more comfortable throughout the year.

Self-Cleaning Glass – Effortless Maintenance

Our innovative self-cleaning glass makes maintenance simple. Using UV light and rainwater, the coating breaks down and washes away dirt, grime, and organic residues naturally. This self-activating feature keeps your glass clear for longer, saving both time and effort, and ensuring your roof lantern continues to look pristine.

Technical Specifications

• Incorporates toughened safety glass for maximum protection and resilience.
• Manufactured in accordance with BS EN 1279 Parts 2 & 3 and BS EN 12150.
• Compliant with all leading British and European performance standards.

Why Choose Rooflight Factory?

At Rooflight Factory, we bring together precision engineering, contemporary design, and premium materials to deliver products that exceed expectations. The Slimline Roof Lantern offers a perfect blend of strength, thermal efficiency, and modern elegance — designed to enhance your home’s natural light and aesthetic appeal.

Choose Rooflight Factory for a roof lantern that’s slimmer, stronger, and smarter — built to perform beautifully and crafted to last.