Create a light and airy space with this beautiful lantern roof from Crystal. Ideal for flat roof projects such as single-storey extensions, it brings natural light into your property and adds a sense of space. This lantern roof features toughened double glazing for strength and durability, with blue self-clean glass for low maintenance and high elegance. It's the perfect choice to transform your next project, offering a contemporary design with aluminium external cappings. The dimensions are for the external upstand size. This model has a black exterior and a classic white interior, with a U-value of 2.2 W/m²K and a 10-year manufacturer's warranty.