At Al Muayed, we manufacture a wide range of Rectangular and Spiral ducts to meet the most stringent HVAC/Industrial specification and quality standard. Rectangular and Spiral ducts are fabricated out of Hot dipped galvanized steel sheet/coil of lock forming duct material. All the ducts are manufactured in accordance to SMACNA, DW 144 and ASHRAE standards. GI ducts are available in various raw material makes like Nippon Steel Japan, AGIS U.A.E., Jindal Steel Indi, Hadeed Steel KSA, and others as per project requirement. GI Coils/sheet always confirm to ASTM A653 standard or equivalent having a minimum zinc coating of G90, Z275.