m2 Roof consisting of: Corrugated sheet metal support, optional vapour barrier according to hygrometric calculation formed by auxiliary sheet of LDPE type VAPOR FLAG 0.4 of 0, mm thick; Thermal insulation layer in rigid polyisocyanurate (P.I.R) sheets coated on both sides with 50 micron embossed aluminum film, <2% water absorption and zero water vapor diffusion, with a conductivity coefficient 0.023 w/mK, Euroclass B-s2-d0 fire resistance, 100 mm thick type AISLADECK AL 100, it will be installed by mechanical fixings; High tenacity non-woven geotextile separator layer based on heat-welded polypropylene with tensile strength of 9 kN/M and static punch resistance (CBR) of 1500 N with a grammage of 120 grs/m2 TEXXAM 1000, Mechanically fixed synthetic waterproofing membrane, of TPO FLAGON EP/PR 200 ENERGY PLUS 2 mm thick, dimensionally stabilized with polyester mesh felt, with a solar reflection index (SRI) of 99% resistant to UV rays, atmospheric agents and roots, with a tensile strength ≥ of 1100 N/5cm, elongation at break > 15% and a resistance to static punching > 20 kg, welded by thermofusion with hot air in the overlaps and reinforced in corners and corners with FLAG ANGLES.