Facade double wall section-constructive details that includes a detailed view of Reinforced concrete parapet f'c = 250 kg / cm, Stuffed with 10cm tezontle, average thickness, Stuck with cement-sand mortar prop. 1: 5, Waterproofing based on prefabricated membrane, Wall concrete hollow block 15x20x40 smooth finish, based on granyltec acrylic resins, Hollow block wall heavy type of 15x20x40 cm, common finish, joined with sand cement mortar and much more of sectional details.