insulation work-thermal insulation on pannels of boiler, economiser etc. by providing lrb mineral wool matts thickness 4 & 24swg. aluminium foil cladding, fixing of screw m.s flat and cleats etc. size of ms flat ¼ x 1/8 th. size of cleat ¼ x 1/8 th density 100 kgs. per cubic mtr. job involve the work of cleaning of surface insulation of vessels, pipes, coils, headers etc. with glasswool of is:3691 specifications and covering with chicken wire mesh wire netting and aluminium foil of 24 swg cladding.. density of glasswool 80 kgs. per cubic mtr. wirenetting 20 swg wire. (job involve the work of cleaning of surface area, fixing of wire naits or m.s. ro at reffered surface) size 2 thickness size 3 thickness cladding of pipe, tube etc, with aluminium foil of 124 svvg on laready covered surface with glass wool.