TheJindal puf insulated Roof cladding shall be done with sandwich type panels. The panels shall be made out with 0.35 mm thick Pre coated Profile steel sheets ( white colour) at outer side and 0.35mm thick Pre coated sheet (White) at inner side of PUF ( Polyurethane foam ). Total thickness of roof panel shall be 30-150 mm. Suitable ridge shall be made out from Pre coated steel sheets. The roof shall be max. 300 mm projected from wall. The density of PUF shall be 36 Kg / cmt( ± 2 Kgs.).