The Ariel Clear Polycarbonate Twinwall Roofing Sheet offers strength and durability for glazing applications. With twin-wall technology, it provides excellent insulation while allowing natural light to pass through. Ideal for greenhouses, patios, or sheds, it is lightweight, impact-resistant, and weatherproof for long-lasting performance. This 4mm Twinwall Corotherm polycarbonate sheet is lightweight and impact-resistant, designed specifically for side cladding applications such as greenhouses. It is not suitable for roofing. The clear sheet offers maximum light transmission, making it an excellent choice for greenhouses. Despite its lightweight nature, it provides a reliable glazing solution with added UV resistance, ensuring long-lasting durability, and comes with a 10 year warranty.