F&L Unpolished Aluminum I-Beam, crafted from premium 6061 alloy for superior strength, corrosion resistance, and workability. Whether you're a DIY enthusiast, welder, or construction professional, this lightweight structural bar offers the reliability and performance you need for framing, bracing, and heavy-duty support. Available in 36-inch and 72-inch lengths, this aluminum I-beam is ideal for a wide range of applications—from automotive fabrication and machinery bases to shelving, metal art, and repair work. Its raw, unpolished mill finish allows for easy customization through cutting, welding, and machining, while still maintaining a clean, professional look. Engineered for building code approvals. (Miami-dade and Florida building code approved) Miami Dade Product Approval - NOA #23-1206.01 Florida Building Code Approved - FBC #FL42154