Concreto desempenado
http://caladaemconcreto.theglensecret.com/concreto-desempenado
<img class='wp-post-image' style='float:left;margin-right:10px;' src="https://br.habcdn.com/photos/quotation/gallery/quadra-3-2410125.jpg" width="503px" alt=""/>Piso em certo Fck mínimo de 20Mpa, armado, espessura