Spiral Duct and Fittings Reinforced with a continuous seam, this duct keeps its shape, even against suction from dust collection systems. On the inside, duct is smooth for efficient airflow. Because of its …

Spiral pipe combines the economies of light gauge metal with a spiral lockseam construction that assures maximum strength and rigidity. As a result of its superior structural strength, the ductwork …

Explore spiral ductwork at HVACDirect.com for durable, shock‑resistant air distribution systems.

Explore Sheet Metal Connectors’ range of spiral duct pipe and fittings for commercial and industrial HVAC ductwork.

Jun 3, 2025 · Spiral duct is a rigid spirally wound tube usually made of galvanized steel, but can also be stainless steel, aluminum or copper. It has its seams on the outside, making the inside surface very …

Spiral products are engineered and built to meet or exceed all SMACNA (Sheet Metal and Contractors National Association) standards, and you can expect quality and on-time delivery, whether you need …

What is Spiral Ducting? Spiral ducting, sometimes referred to as spiral round ductwork, is a type of duct used in HVAC systems. Made from materials like galvanized steel, stainless steel, or aluminum, …

Spiral ductwork is a trusted choice that countless facilities have come to rely on. This innovative technology uses a spiraling method that connects metal strips to create seamless, durable ducting …

We pioneered the manufacture and use of spiral duct and fittings for heating, ventilating, and air conditioning (HVAC) in the USA. Our extensive lines of duct system products are engineered for …

We manufacture spiral pipe in 18, 20, 22, & 24 gauge galvanized metal. Stronger than other pipe – Our pipe is up to 20% stronger than smooth pipe systems of the same gauge, due to the added spiral …