Fabrication Capabilities Materials include galvanized steel, prefinished steel, aluminum, stainless steel, copper and brass. All products are formed from quality aluminum and G90 galvanized steel and Galvanealed. Pre-finished materials are finished with a KYNAR 500 finish on the exposed side and acrylic washcoat on the bottom side. They are covered with a strippable vinyl masking to protect them during installation. KYNAR 500 is the standard finish on all materials and comes with a 20 year limited warranty. Also available is stucco embossing of pre-finished steel and aluminum. Steel Up to 14 gauge Stainless Steel . Aluminum Up to .125 gauge Copper 16/20/24 oz Welding Capabilities ASME Certified 6G Welding MIG.TIG Stainless Aluminum Carbon Steel