Southwark Metal CBR8222224 Cube Closed Plenum R8 22 Inches X 22 Inches X 24 Inches with 2 Inches Liner

Product Description

The Southwark Metal CBR8222224 is a cube closed plenum designed for use in residential and light commercial HVAC air distribution systems. This plenum measures 22 inches wide by 22 inches long by 24 inches tall, giving it a cubic volume of approximately 6.72 cubic feet. It ships as a single unit and is built to fit into standard ducted forced-air systems where a square or cube-style plenum box is required. The CBR8222224 features a 2-inch internal liner that delivers an R8 insulation rating. That R8 value means the plenum resists heat transfer effectively, helping to maintain conditioned air temperature as it moves from the air handler to the supply ductwork. This is especially important in unconditioned spaces like attics, crawl spaces, and mechanical rooms where ambient temperatures can cause significant energy loss without proper insulation. The unit is constructed from 26-gauge galvanized steel, which provides solid corrosion resistance and long service life in both humid and dry environments. The galvanized coating protects the metal from rust and deterioration over time. This plenum is not flanged, so installers will connect it using standard sheet metal fabrication methods such as screws, drive cleats, or duct tape rated for HVAC use. The closed plenum design means all sides are enclosed, directing airflow precisely where the ductwork requires. HVAC technicians, sheet metal contractors, and mechanical installers working on new construction or system replacements will find this unit straightforward to work with. It is manufactured in the USA and does not carry a Prop 65 warning. Southwark Metal is a well-known supplier of sheet metal HVAC products trusted across the trade for consistent quality and dimensional accuracy.

• R8 insulation rating with 2 inches of internal liner for efficient thermal performance in unconditioned spaces
• 26-gauge galvanized steel construction for corrosion resistance and long-term durability
• Cube closed plenum design measuring 22 inches x 22 inches x 24 inches for precise air distribution

Product Highlights

The Southwark Metal CBR8222224 delivers a well-insulated, galvanized steel cube closed plenum with an R8 rating, built to handle the demands of professional HVAC installations in both new construction and replacement applications.

Product Information

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: CBR8222224

Technical Specifications

• Size: 22 inches x 22 inches x 24 inches
• Width: 22 inches
• Length: 22 inches
• Height: 24 inches
• R-Value: R8
• Liner Thickness: 2 inches
• Gauge: 26 GA
• Composition: Galvanized Steel
• Galvanized: Yes
• Insulated: Yes
• Flanged: No
• Weight: 23 pounds
• Cubic Measurement: 6.72 cubic feet
• Country of Origin: USA
• Unit of Measure: Each