Describir: Thermal insulation of buildings :

 _____     _    _     _  __    _____     _____      ___      _____     _____   
|  __ \\  | || | ||  | |/ //  |  ___||  /  ___||   / _ \\   |__  //   |  ___|| 
| |  \ || | || | ||  | ' //   | ||__   | // __    | / \ ||    / //    | ||__   
| |__/ || | \\_/ ||  | . \\   | ||__   | \\_\ ||  | \_/ ||   / //__   | ||__   
|_____//   \____//   |_|\_\\  |_____||  \____//    \___//   /_____||  |_____|| 
 -----`     `---`    `-` --`  `-----`    `---`     `---`    `-----`   `-----`