14" x 7" Duct Board Tab Collar

Lukjan Round Ductboard Takeoff – Built for Precision and Long-Term HVAC Performance

The Lukjan Round Ductboard Takeoff provides a reliable transition between ductboard plenums and round branch ductwork. Its design supports consistent airflow and accurate system balancing, making it an essential component for commercial and residential HVAC installations. Manufactured with galvanized steel and G-30 coating, it offers durability in demanding environments.

Contractor Advantages

This takeoff is engineered for job site efficiency. With uniform sizing and die-cut precision, it reduces installation time while ensuring a tight, secure fit. Contractors can depend on its structural integrity and resistance to corrosion for long service life in both new construction and retrofit projects.

Key Features

• Heavy-Duty Construction: Galvanized 28 ga steel with G-30 lock-forming quality resists wear and corrosion.
• Consistent Manufacturing: Machine-formed components guarantee uniformity for quick, accurate installation.
• Airflow Efficiency: Optimized to maintain steady airflow and temperature distribution across the system.
• Versatile Use: Suitable for both residential and light commercial HVAC ductboard applications.

Technical Specifications

• Diameter: 14 inches
• Length: 7 inches
• Material: Galvanized steel, 28 ga, G-30 coating
• Standard Compliance: ASTM-A653 CS Type B

Installation Guidance

Although designed for straightforward ductboard integration, professional installation is strongly recommended. Proper cutting, sealing, and fastening are necessary to ensure airtight connections and optimal airflow. Adhering to SMACNA standards and local code requirements will maximize system performance and minimize leakage risk.

Professional Application

The Lukjan Round Ductboard Takeoff is a contractor-grade solution used in system layouts where precise airflow management is required. Its rugged design, consistent sizing, and corrosion resistance make it a dependable choice for both large-scale and small-scale projects.