For years, spiral duct has been taking center stage as the HVAC ductwork of choice for contractors nationwide. Spiral duct is light weight, reducing both manufacturing costs and the costs of installation. In use, spiral ductwork is strong, efficient in reducing leaks, and resistant to mold.
Pneu-Mech produces duct sizes from 4” diameter to 52” diameter (in even sizes). Standard material is No. 22 ga Galvanized and can be outfitted with standard slip joint connections or angle iron companion flanges. Lengths are also variable ranging from 5’-0” to 15’-0” with standard lengths being 10’-0”.