Tuftex Multi-Wall 6mm Panel Clear 4-ft x 8-ft Corrugated Clear Polycarbonate Plastic Roof PanelUV coated on one side Light in weight and impact resistant Panels are great for several applications such as greenhouses, office partitions, pool enclosures, window replacements, skylights, canopies, carports, sunrooms Use TUFTEX U channel on the top and bottom of your panel, use TUFTEX H channel to connect two panels, use dust tape on top and bottom of the panels (refer to instructions for more details), and use TUFTEX ridge cap for the top of the