Lightweight tough and thermally efficient roofing panels Clear multiwall polycarbonate permits high light transmission and provides greater heat build up . Clear polycarbonate keeps it bright and light even on the darkest winter days. Good choice for colder spots and ideal for industrial and commercial greenhouses. 16mm polycarbonate sheets are great for carports pergolas and greenhouses . For large applications such as conservatories a thicker 25mm or 35mm polycarbonate is recommended. Polycarbonate is a great insulator that also reduces condensation and diffuses light. It can also be more energy efficient than glass of a comparable thickness and up to 50% cheaper. Features & Benefits UV Resistance minimises longterm yellowing High resistance to impact resistance to breakage Super thermal efficiency triplewall and fivewall Robust yet lightweight fraction of glass weight Fire safety Class 1 Spread of Flame Protection 10 year warranty lig...