SitaTurbo inverted roof insulating body made of extruded polystyrene (XPS), WLG 030, fire classification Euroclass E, according to DIN EN 13501-1, application type DUK according to DIN 4108-10, suitable for used roof surfaces. For thermal insulation and installation aid for positioning the cladding penetration and the SitaTurbo vapour barrier plate. Supply and installation to professional standards.