It’s the 21st Century and now we are using all sorts of building materials. In fact, there are designers around the world who even ancient building materials like rammed earth, etc. However, one trend that we all should support is architecture technique that uses recycled materials. Can you imagine an entire house made up of recycled materials? Yes, you heard it correct. You no longer have to seek a construction material firm to find building materials for your house. Now, you can even go to the nearest junk dealer for the same. Apart from being inexpensive, these eco-friendly building materials have many other added advantages as well. Given below is an introduction to most fantastically designed houses. All these are made out of reclaimed materials and are therefore extremely sustainable.