Marlon Polycarbonate U Profile Aluminium is crafted from durable aluminum, providing structural support and a polished aesthetic to roofing installations. It's ideal for residential and commercial applications, ensuring stability and a professional look. To use the U Profile, fit it over the taped edges of the sheet, then remove film and apply silicone sealant to the top edge of the U-shaped edge profile to waterproof. This U-profile is suitable for various applications, including patio covers, pergolas, canopies, lean-to's, conservatories, wind screens, car ports, and DIY glazing projects.