3-1/4" x 10" Wall Stack End Cap

Lukjan Wall Stack End Cap – Secure Closure for Rectangular Duct Systems

The Lukjan Wall Stack End Cap is a precision-formed component designed to terminate rectangular wall stack duct runs. Built to provide a tight, reliable closure, this end cap ensures proper system pressure, prevents air leakage, and maintains overall duct system performance. It is suitable for residential and light commercial HVAC installations where rectangular wall stack ducts are used.

Key Features

• Heavy-Duty Galvanized Steel: Manufactured from 26-gauge galvanized steel for durability and resistance to corrosion.
• Accurate Fit: Sized for standard wall stack duct applications, ensuring proper sealing and ease of installation.
• Factory Formed: Produced with automated precision for consistent sizing and square edges.
• Leak Prevention: Designed to create a secure termination point that supports system efficiency and reduces air loss.

Technical Specifications

• Material: Galvanized steel, ASTM-A653 lock-forming quality
• Gauge: 26 ga
• Width: 3-1/4 inches
• Length: 10 inches
• Use: End closure for wall stack duct sections

Installation Guidance

Installation of the Lukjan Wall Stack End Cap requires standard sheet metal tools and fastening methods such as S-cleats, drive cleats, or appropriate sealants. For best results and compliance with local codes, installation should be performed by a licensed HVAC contractor. Proper attachment and sealing help ensure minimal air leakage and maintain system efficiency.

Professional Application Notes

For Contractors: This end cap provides a quick and reliable closure solution for wall stack runs. Its durable construction reduces callbacks related to air leaks, and its standardized sizing makes integration with existing Lukjan duct sections straightforward.

For Maintenance Teams: During retrofits or replacements, ensure that all seams are sealed with mastic or UL-approved foil tape to maintain air-tight performance.

Summary

The Lukjan Wall Stack End Cap delivers a durable and properly fitted termination for rectangular wall stack duct systems. With heavy-gauge steel construction and precision sizing, it supports system integrity, efficiency, and long-term performance in HVAC installations.