Describir: The THERMAL insulation of buildings :

           __   __   _    _    _    _     _____      ___      ______  
  ____     \ \\/ // | \  / || | || | ||  / ____||   / _ \\   /_   _// 
 |    \\    \ ` //  |  \/  || | || | || / //---`'  / //\ \\  `-| |,-  
 | [] ||     | ||   | .  . || | \\_/ || \ \\___   |  ___  ||   | ||   
 |  __//     |_||   |_|\/|_||  \____//   \_____|| |_||  |_||   |_||   
 |_|`-`      `-`'   `-`  `-`    `---`     `----`  `-`   `-`    `-`'   
 `-`                                                                  
   ___    
  / _ \\  
 / //\ \\ 
|  ___  ||
|_||  |_||
`-`   `-`