Earthship Construction: Our first, and certainly most time consuming, project at Blue Rock Station was the construction of this 2,200 sq ft earthship made primarily of used automobile tires. Follow our step-by-step process to construct and Earthship to get a better understanding of this exciting concept. Straw Bale Construction: For countless generations people all over the world have been building houses from straw. This fast and highly efficient technique can last for hundreds of years if done properly. See the construction process for our beautiful straw bale vaulted "Chicken Chalet”.