In order to provide weather covering for roof and walls from external condition, steel structure need to be covered fully/partially as per function al requirement. For all purpose this covering provides access for all architectural and function requirement as well. Normally, metal profiled steel sheets are used for covering purpose. Now a day s different color/color combination are used to make buildi ng more aesthetic & elegant. There are various other elements of sheeting such as flashings, trims, ridge cover, peak panel, rack trim, drip trim etc. which is made of same material as of sheeting and equally important for weather tight functioning of the building. In addition, proper rain water gutter for collection of rain water and down take pipe for discharge of water from gutter to the ground is also key element to the building for overall performance of the building. All sheeting are joined together with the help of self drilling/self tapping screw and necessary sealing material such as butyl tape, sealant, foam filler etc. are used to make building