Enhance your greenhouse with the Corotherm Twinwall Clear Polycarbonate Sheet. Measuring 1220 x 1220mm with a 4mm thickness, this lightweight yet impact-resistant sheet is expertly designed for greenhouse side cladding. Its clear finish ensures maximum light transmission, promoting optimal plant growth. Offering a durable and reliable glazing solution with built-in UV resistance, this sheet comes with a 10-year warranty for peace of mind. Ideal for greenhouse side walls, providing excellent light and protection. Greenhouse polycarbonate sheet - twinwall glazing - 4mm greenhouse panel - clear greenhouse material - 1220x1220mm polycarbonate.