What does Sheffield Metals International do? Sheffield Metals is an industry leader in the manufacturing and distribution of coated and bare metal products, including metal coils/sheets, panel profiles, and more. We specialize in providing painted Galvalume® and aluminum for the architecturally driven metal panel industry with an emphasis on standing seam metal roofing and wall systems. We have the ability to meet a wide array of needs with more than 50 metal colors continuously stocked. We can also match virtually any custom color to suit your project. Sheffield Metals is dedicated to providing architects, contractors, manufacturers, and homeowners with the complete package — quality products, expertise, and continued support.