Galvanized Iron Roof Definition

Copy on file as roof asbestos to zinc metal roofing nps 3 pdf from asbestos to zinc roofing for historic buildings metals part ii coated ferrous metals.

Galvanized iron roof definition.

To cover iron steel etc with a protective zinc coating by dipping into molten zinc or by electrodeposition to stimulate by application of an electric current noun. Galvanization or galvanizing also spelled galvanisation or galvanising is the process of applying a protective zinc coating to steel or iron to prevent rusting. Corrugated galvanised iron or steel colloquially corrugated iron near universal wriggly tin taken from uk military slang pailing in caribbean english corrugated sheet metal in north america and occasionally abbreviated cgi is a building material composed of sheets of hot dip galvanised mild steel cold rolled to produce a linear corrugated pattern in them. Although it is still popularly called iron in the uk the material used is actually steel which is iron alloyed with.

Iron lead zinc tin terne galvanized enameled roofs technical preservation services national park service u s. Corrugated and ribbed metal panels are made of metal sheets normally g 60 or g 90 better galvanized steel but can also be aluminum and stainless steel sheets that are shaped into ridges or waves. Department of the interior web search 9 29 10 original source. Used in construction and tools and armament.

Galvanized iron iron that is coated with zinc to protect it from rust corrugated iron usually galvanized sheet iron or sheet steel shaped into straight parallel ridges and hollows atomic number 26 fe iron a heavy ductile magnetic metallic element. Is silver white in pure form but readily rusts. The most common method is hot dip galvanizing in which the parts are submerged in a bath of molten hot zinc.