Roof board PAROC ROB 80 is non-combustible Stone wool insulation for use as a top layer of existing and new Flat Roofs. The roof insulation board is developed to provide sustainable, hard and fire safe bedding for most types of flat roof coverings as well as insulating the bearing layer in renovation sites. The compressive stress of the product is 80kPa, which means that the slab can carry a 8000kg/m2 load during installation and use.