Certified Southwark Metal SL481824 24 Gauge Snaplock Round Galvanized Steel Pipe 18 Inches X 4 Foot

The Southwark Metal SL481824 is a 24 gauge snaplock round galvanized steel pipe designed for use in residential and commercial HVAC duct systems. It measures 18 inches in diameter and 48 inches in length, making it a standard straight pipe section suited for medium to large air distribution runs. HVAC technicians and sheet metal contractors rely on this type of pipe to build out supply and return air ductwork with consistent performance and a secure, tool-free snap-lock closure. The snap-lock seam joins the pipe edges firmly along the length of the pipe, creating a tight seal that reduces air leakage and speeds up installation time on the job. No special tooling is required to close the seam, which helps crews move faster during duct assembly. The galvanized steel construction provides a zinc coating that protects the metal from rust and corrosion over the life of the system. This is especially important in humid climates or in applications where condensation may form on duct surfaces. The 24 gauge material offers solid rigidity for an 18-inch diameter pipe, maintaining its round shape under normal static pressure conditions found in forced-air HVAC systems. This pipe is manufactured in the USA by Southwark Metal, a well-known supplier of sheet metal ductwork products. It meets Prop 65 requirements and ships as a single unit. HVAC installers working on new construction, retrofit, or replacement duct projects will find this pipe a dependable fit for trunk lines, branch runs, and main distribution sections requiring an 18-inch round cross section.

• Snap-lock seam for fast, secure, tool-free field closure
• Galvanized steel construction resists corrosion and extends service life
• 18 inches diameter by 48 inches length fits standard large-diameter duct runs

Product Highlights

The Southwark Metal SL481824 delivers a USA-made, 24 gauge galvanized steel round pipe with a snap-lock closure for efficient HVAC duct installation. Its 18-inch diameter and 4-foot length make it a practical choice for main trunk and branch duct runs in commercial and residential air distribution systems.

Product Information

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: SL481824

Technical Specifications

• Shape: Round
• Material Composition: Galvanized Steel
• Gauge: 24 GA
• Pipe Closure Type: Snap-Lock
• Pipe Diameter: 18 inches
• Pipe Length: 48 inches
• Pipe Size: 18 inches x 4 Foot
• Galvanized Coating: Yes
• Country of Origin: USA
• Prop 65: Yes
• Weight: 18.57 pounds
• UPC: 099274602164
• Unit of Measure: EA