Extruded profile may be passed into a cooling bath as it comes out depending on the type of alloy. Cooling is a critical step since it retains adequate metallurgical properties in the metal.

Pickets are the vertical posts that make up the primary structure of the fence. Typically, these are crafted from wrought iron or steel bars, providing robustness and a sleek, elegant appearance. Pickets can come in various designs, including simple straight lines, ornate scrolls, or pointed tops, allowing homeowners to choose a style that complements their property. The spacing between the pickets impacts not only the visual appeal but also the security and privacy offered by the fence.