A building veneered with cellular polycarbonate applied to the facade, offers a different appearance for those who observed him because the corrala Vallecas 51 changes color when it shines sunlight on its facade. Miicro located in the city of Madrid, in the Pau of Vallecas can be seen as the newest form of contemporary architecture and when their buildings are ending and they are referred to by passers-by, they may appreciate a new architectural fact. The building is eight plants and 123 houses, has a surface area of approximately 50 square metres per apartment, and they possess in their functional design two rooms and four penthouses that posen only one bedroom, and Mr. Jose Antonio Tallon Iglesias, one of the architects who signs the project, who has declared that: firstly, the color theme, where we have interested, not so much Green by its ecological image, but by the game of atornasolados and brightness that makes the facade to vibrate, and secondly, sustainability, since clogged panels of six inner tubes and four centimetres thick allow to obtain a greater thermal and acoustic insulation. A material fully recyclable, very low cost of manufacture and transport and very maneuverable thanks to its light weight and Fernandez Lewicki is another participant in its design, it stands out as a third aspect, creativity in interior design. Many architects know that in Venezuela, Pequiven.SA, the signature has designed single-family homes have been called that: PETROCASAS, but which uses the polyvinyl chloride in the form of moulds, which make up the walls of the homes through notches and tabs, introduces which lean concrete, through large blocks moulds, but its completion is white, and they reflect the sunlight that shines on its walls, and has made it possible to design buildings with the same structures, mezzanines of concrete and light cover with insulating tiles to heat, various colors, and have been built in Peru, Venezuela and Cuba.