Spiral Ductwork

Langdon manufactures lock-seam, high pressure Spiral pipe and fittings. We offer a complete line of standard commercial and Industrial Spiral pipe, fittings, and custom fabrications designed to meet all standard specifications. Our products are engineered and built to meet or exceed all SMACNA (Sheet Metal and Contractors National Association) standards.

Standard components for every application, such as gored and die formed elbows, tees, laterals, wyes, reducers, rectangular to round transitions, pick-up hoods, blast gates, cleanouts, access doors, diverters, and many more.

Available in easy to ship and install 5-foot lengths when you need small quantities and 10-foot lengths when you require large amounts for longer runs.

In addition to our standard single wall round spiral ductwork, we offer double wall round spiral ductwork, single wall flat oval ductwork, double wall flat oval ductwork as well as a complete line of gasketed single wall round spiral ductwork and gasketed double wall round spiral ductwork.