10" x 8" x 5' Trunk Duct

10" x 8" x 60" Rectangular Trunk Duct – Contractor-Grade Air Distribution

The 10" x 8" x 60" rectangular trunk duct is fabricated from 26-gauge galvanized sheet steel and is engineered for use in forced air HVAC systems. This duct section provides stable airflow performance for supply or return applications, meeting SMACNA standards for duct construction.

Application

Designed for use in residential, commercial, and light industrial HVAC installations, this trunk duct serves as a primary distribution channel. Its rectangular dimensions provide compatibility with branch takeoffs while ensuring consistent airflow and static pressure management across the system.

Performance Characteristics

• Material: 26 ga galvanized sheet steel
• Dimensions: 10" wide x 8" high x 60" long
• Coating: G-30 galvanized finish per ASTM-A653 CS Type B
• Connection Type: Slip and drive (S-cleat and drive cleat) ends for field assembly
• Compliance: Fabricated to SMACNA HVAC Duct Construction Standards

Installation Guidelines

Install trunk duct sections per SMACNA and local code requirements. Secure with appropriate fasteners and seal all joints with UL-listed duct sealants or tapes to ensure airtight connections. Provide support at intervals specified by code to prevent sagging or deflection and maintain system integrity.

Advantages

• Durable Fabrication: Galvanized steel construction ensures strength and resistance to corrosion.
• Efficient Airflow: Rectangular section provides stable distribution with minimal turbulence.
• Code-Compliant: Meets ASTM-A653 and SMACNA requirements for HVAC duct components.
• Professional Grade: Suitable for engineered HVAC systems in residential and commercial buildings.

The 10" x 8" x 60" galvanized trunk duct provides HVAC contractors with a dependable, code-compliant air distribution component. Its heavy-duty construction, standardized sizing, and proven performance make it an essential fitting for both new installations and retrofit projects.