Galvanized Iron Duct – Antique Technology To Drain Rainwater from The Roof
GI duct is fabricated from Galvanized Iron. Fabricator cuts GI sheet and bends it in required shape mostly in square and connect with GI rod using tools like hammer, GI sheet cutter and GI sheet bending machine. They create several pieces and then connects them to achieve the required length of GI duct. After that, they paint it with the appropriate paint to make a good contrast with the surroundings or outside of the building, usually with the black paint. Here in the below picture, the owner of the building has painted them black. This is a house in Kenya,…