Commercial Quality Australian Spiral Duct

Cyclo manufactures a large range of galvanized lock seam spiral duct in both metric and imperial sizes.

Starting from 4” (101.6 mm) to 49” (1250 mm), in standard lengths of 1, 2, 3 and 4 meters.

custom lengths available on request (Larger sizes may vary in size and weight).

Material thickness available are 0.6mm, 0.8mm, 1.0mm and 1.2mm.  

Lock seam spiral duct has great benefit over circular or rectangular duct.

Comparatively, spiral ducts are structurally stronger and can be manufactured in longer lengths, resulting in reducing the cost of installation, and minimizing leakage.