m2 Inclined roof on a concrete support that must offer a flat surface, consisting of: Self-adhesive waterproofing consisting of: asphalt primer with a minimum amount of 300 gr./m2 type EMUFAL PRIMER, self-adhesive sheet on one side composed of polymeric bitumen reinforced with non-woven Polyester Felt reinforced and stabilised with fibreglass and coated on the upper side with a TEXface polypropylene non-woven fabric type EDILSTICK 2mm TNT/RAND designation: LBA-20-FP according to UNE 104410-2013; Thermal insulation layer consisting of rigid sheets of extruded polystyrene with a compressive strength of 3 kp/cm2 and a grooved surface on the upper side, 80 mm thick, type SOPRAXPS TR 80, adhered to the sheet with a single-component polyurethane foam adhesive or type ALSAN FOAM MF placed in 30 mm thick cords, ready to receive the finish with a mortared tile or adhered with points of polyurethane foam adhesive.