Metals are incredibly versatile construction materials, rarely used in their purest form. Alloying metals, like adding chromium and nickel to steel to make it stainless, enhances desirable properties such as strength, hardness, and corrosion resistance. From refining through smelting to various fabrication methods like casting, rolling, and extrusion, metals are shaped and treated to achieve optimal characteristics for architectural applications.
Oil canning, the visible waviness in thin-sheet metal, is a common cosmetic issue in architectural applications. While it doesn't compromise structural integrity, it can detract from a smooth aesthetic. This phenomenon arises from factors like thermal expansion, uneven loading, and manufacturing tolerances. Understanding its causes is crucial for prevention, with best practices including using thicker metals, matte finishes, and designing for proper thermal movement to ensure a pristine metal facade.
