Steel Aluminum Ridge tile for Great wall shape sandwich Polyurethane Panel

TA starting bar, also known as a starter flashing, is a crucial component in the installation of roofing sandwich panels. It's typically made from a thicker sheet steel and is installed at the base of the roof, providing a solid foundation for the first row of panels. This bar helps to create a level and stable base, ensuring proper alignment of the subsequent panels and preventing water ingress.