GI Duct fabricated by CNC machine as: L shape, grooving, TDF flange, Pittsburg seam.
Not including: corner piece, C cleat / G clamp, bolt-nut.
High accuracy of ducting dimension by CNC technology.
Lower cost of duct fabrication by full automatic CNC ducting production line.
Saving transportation volume.
Easy to assemble into rectangular ducting by simple handheld tools.
Dimension fully customizable.
GI sheet thickness: 0.4 ~ 1.6 mm
Zinc coat grade:Z60, Z80, Z120, Z275 .