Pillars constructive structure details 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 and much more of pillar details.