Ikhoyili ye-aluminiyamu ehlanganiswe ngombala ibizwa nangokuthi ikhoyili ye-Aluminium Pre-Painted.Njengoba igama liphakamisa, ukudweba nombala we-aluminium substrate.Okuvame ukusetshenziswa ikhoyili ye-aluminium enombala we-fluorocarbon kanye nekhoyili ye-aluminium ehlanganiswe ngombala we-polyester.