Southwark Metal 31PF-16GA_4X10 Duct Plaster Frame 4x10 16GA

Product Description

The SOUTHWARK METAL 31PF-16GA_4X10 is a sheet metal duct plaster frame boot rail designed for return air duct terminations in residential and light commercial HVAC installations. Fabricated from hot dip galvanized steel at 16 gauge, this frame provides a rigid, corrosion-resistant border at the wall or ceiling opening where a boot meets the finish surface. It holds the rough opening in place during plastering or drywall finishing, keeping the duct register opening clean, square, and flush. HVAC sheet metal installers and mechanical contractors use this component during new construction and renovation work where a professional, finished duct termination is required.

This plaster frame is suited for return air applications in forced-air systems where the boot penetrates a plaster or drywall surface. The 4 inch by 10 inch frame size matches standard boot and register dimensions common in residential duct layouts. It is installed before finish work is applied to the wall or ceiling, allowing the surface material to be worked up to the frame edge. The galvanized construction holds up in unconditioned spaces and during the construction phase before the system is commissioned.

Key Features

• Hot dip galvanized steel construction resists corrosion in typical HVAC rough-in environments
• 16 gauge material thickness provides rigid support to hold the rough opening square during finish work
• 4 inch by 10 inch frame size matches standard return air boot and register dimensions
• Designed for return air duct terminations in plaster and drywall applications
• Meets ACCA and SMACNA applicable standards for sheet metal duct fabrication

Compatibility

Designed as an OEM-style sheet metal component for return air duct plaster frame applications in residential and light commercial forced-air HVAC systems using standard 4 inch by 10 inch boot and register openings.

Installation Notes

Installation is typically performed by licensed sheet metal workers or HVAC mechanical contractors following SMACNA duct construction standards. The frame should be set and secured at the duct opening before plastering or drywall finishing begins. Verify the opening is plumb and square before fastening. Shut down any operating HVAC equipment before working on duct terminations in an active system.

Technical Specifications

• Frame Size: 4 inches x 10 inches
• Material: Hot Dip Galvanized Steel
• Material Thickness: 16 Gauge
• Type: Return Air
• Applicable Standards: ACCA, SMACNA

Standard Information

• Brand: SOUTHWARK METAL
• Manufacturer Part Number: 31PF-16GA_4X10