“Manufacturer of Shaft Duct Door in Coimbatore” ‘Sakthi ‘ Shaft Duct Access Doors are manufactured from GI or MS sheets of 16, 18 or 20 swg thickness sheets of varied sizes as per need. Available in fully flush or with architrave. Finish: PU Powder coated in varying shades as per need. Available with or without Vision Panel or ventilating holes. Complete in all respect and ready to install. Used in Plumbing, Electrical, Fire Ducts. Manufacturer of Shaft Doors in Coimbatore Manufacturer of Duct Doors in Coimbatore Manufacturer of Access Doors in Coimbatore