8" x 8" Trunk End Cap

8" x 8" Trunk End Cap – Secure Closure for Rectangular Duct Systems

The 8" x 8" Trunk End Cap is engineered for terminating rectangular duct runs while maintaining system integrity. Built from galvanized steel, it delivers a secure seal that prevents air leakage, supports proper airflow balance, and meets the demands of both residential and commercial HVAC installations.

Professional Advantages

• Durable Galvanized Steel: Fabricated to withstand standard HVAC system pressures and resist corrosion over time.
• Slip and Drive Connection: Compatible with industry-standard rectangular duct fittings for quick, accurate installation.
• Leak-Resistant Fit: Designed to maintain tight closure at duct terminations, minimizing energy loss.
• Versatile Application: Suitable for use in supply or return trunk lines across various system layouts.

Technical Specifications

• Dimensions: 8" x 8"
• Material: 26-gauge galvanized steel
• Connection Type: Slip and drive
• Use: Termination of rectangular trunk duct

Installation Guidance

This end cap installs using standard slip and drive cleats and s-locks. While straightforward, professional installation is recommended to ensure compliance with local mechanical codes and to achieve the most efficient seal possible. Contractors will appreciate its compatibility with existing ductwork systems, while DIY installers should be equipped with proper sheet metal tools for secure fastening.

Contractor Notes

On job sites, the 8" x 8" Trunk End Cap is valued for its durability, precision sizing, and consistent fit. Its leak-resistant construction helps reduce callbacks related to air loss, making it a dependable choice for professional HVAC installations and system upgrades.