CI Sheets are galvanized sheet iron or steel which are primarily as roofing, side and peripheral fencing materials.  The sheets are usually corrugated to give it added strength in construction.

The manufacturing process of such sheets starts from lifting Iron Ore from mine and processing it to Slab through series of process and treatments and then hot rolled & pressed to convert it into Hot Rolled Coil  undergoing a variety of treatments. HR coils are then ‘cold rolled’ into) coils before it is hot dipped, galvanized and corrugated (at a Continuous Galvanizing Line- CGL or Non –Oxidizing Furnace –NOF) into what we know as Corrugated Iron (CI) sheets.

Appollo Ispat Complex Ltd. been marketing its product in the brand name of “Appollo Rani”. At present it is producing C.I. Sheet of “Appollo Rani” brand of following sizes & thickness.

            THICKNESS                                         SIZES(feet)

             0.160 mm                    6 x 3    7 x 3    8 x 3    9 x 3    10 x 3

             0.180 mm                    6 x 3    7 x 3    8 x 3    9 x 3    10 x 3

             0.200 mm                    6 x 3    7 x 3    8 x 3    9 x 3   10 x 3

             0.220 mm                    6 x 3    7 x 3    8 x 3    9 x 3   10 x 3

             0.250 mm                    6 x 3    7 x 3    8 x 3    9 x 3   10 x 3

             0.280 mm                    6 x 3    7 x 3    8 x 3    9 x 3   10 x 3

             0.350 mm                    6 x 3    7 x 3    8 x 3    9 x 3    10 x 3

             0.400 mm                    6 x 3    7 x 3    8 x 3    9 x 3    10 x 3

             0.450 mm                    6 x 3    7 x 3    8 x 3    9 x 3    10 x 3

 Other than Corrugated Iron Sheet, Appollo Ispat Complex Ltd. also produces Ridges of above thicknesses.

 Various Uses of CI Sheet:

Residential use: CI sheets are used for roofing, side and peripheral fencing purposes. It is the preferred product for residential construction in villages and shanty towns in Bangladesh due to their cheaper price compared to traditional bricks and brick tiles. For roofing and side fencing for homes in villages accumulate more than 90% of total CI sheet sales. Villagers tend to purchase it during the January-April period as villagers prefer to build or repair their houses during harvesting season. Urban and Semi Urban dwellers (shanty towns) use CI sheets for roofing for homes. A house made using CI sheets in rural areas and shanty towns used to signify affluence and that mode of thinking still exists today.

  • Industrial use: Industry owners use CI sheets for roofing of new factories, warehouses and sheds. CI sheets are also used for fencing factory area. Industrial users prefer it due to cheaper price.
  • Agricultural use: CI sheets are used for roofing cow sheds, roofing and side fencing of poultry farms and fencing of agricultural projects.
  • Construction use: CI sheets are used for fencing around construction area.
  • Shopkeepers/Traders use it for roofing of small shops, shutters etc.
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