KastLite 8mm/0.315in Clear Twin-Wall Polycarbonate Panels deliver unmatched performance for greenhouses, gardens, patios, and more. Twin-Wall Design: Exceptional thermal insulation for year-round plant protection – cooler in summer, warmer in winter. Durable & Shatterproof: Virtually unbreakable plastic sheeting withstands hail, snow, and tough weather conditions. Crystal-Clear Transparency: Even light distribution ensures optimal plant growth and healthier greens. Waterproof & UV-Protected: Provides up to 99.5% UV protection, perfect for greenhouse roofing, window covers, patios, and pergolas. Lightweight & Easy to Install: Simple to cut and install with basic tools for DIY projects. Versatile Uses: Ideal for greenhouses, cold frames, garden sheds, sunroom roofing, shutters, and outdoor coverings. Transform your gardens, backyards, and patios with KastLite’s reliable twin-wall polycarbonate panels – built for durability, thermal efficiency, and long-term outdoor protection.