The puf panel is a thermally insulating panel which is a layer of material sandwiched between pre-painted galvanized steel (ppgi) and pre-painted galvalume steel (ppgl). The panel is extremely sturdy, durable and weather resistant. It is corrosion resistant and can create an airtight space. The panel is used for various applications like cold storage, prefab shelter, and accommodation shelter, ripening chamber, porta cabin, clean room, control room, freezer room, insulated shed, wall cladding and many more. The puf panel is made for commercial uses.