Describir: The THERMAL insulation of buildings :

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