Flat non-transitable, non-ventilated roof, with gravel, conventional type. Asphaltic sheet impermeabilization, single-layer type

Flat non-transitable, non-ventilated roof, with gravel, conventional type, slope of 1% to 5%. FORMATION OF SLOPES: by limatesa encintado, limahoyas and joints with ceramic hollow brick double master and expanded clay layer, poured dry and consolidated on its surface with cement slurry, providing a compressive strength of 1 MPa and with a thermal conductivity of 0.087 W/(mK), with a medium thickness of 10 cm; with a regularization layer of cement mortar, industrial, M-5 of 4 cm thickness, rough finish; THERMAL INSULATION: 40 mm thick foam panel of polyisocyanurate, soldable; IMPERMEABILIZATION: single-layer type, adhered, formed by a modified asphalt sheet with SBS elastomer, LBM(SBS)-40-FP, fully adhered with a blowtorch; UNDERGROUND PROTECTION SEPARATOR LAYER: non-woven geotextile composed of polyester fibers united by agujeteado, (200 g/m²); PROTECTION LAYER: Layer of washed pebbles, with a medium thickness of 10 cm.