Can clear polycarbonate plastic roof panel be painted? Yes, you can paint clear polycarbonate plastic roof panels. With the right approach, you can give them a fresh look while maintaining their durability. Use paint designed for plastic to ensure proper adhesion. Clean the surface thoroughly before applying primer. Apply thin, even coats for a smooth finish. Let each coat dry completely before adding another layer. Painting can enhance their appearance while still allowing light transmission. With proper preparation, your panels can look great and last longer.