Materials .027 Aluminum (Polyester Finish) .032 Aluminum .040 Aluminum 22 Gauge Steel 24 Gauge Steel 16 oz. Copper Available finishes Polyester High-Performance Kynar 500® PVDF Fluoropolymer-Based Coating Mill Copper 4×5 downspout.pdf 4×5 corrugated A elbow 4×5 corrugated B elbow.pdf 4×5 outlet.pdf