Before man realized the importance of a roof, they used a simple vegetation thatch. Straw, clay, soil, and seaweed were used to construct roofing. The most common are now shingles and tile, which are more durable, resistant to fire, climate friendly, etc. The roofing contractors of Chicago can help you create a stunning roof above your building. In many Asian countries, bamboo, leaves of coconut trees and bark from certain trees were used for centuries. Bamboo was used to construct the buildings and for their outer layer. Bamboo stems were split, turned alternately and placed at the top. In some cases, the thick bark from certain trees is peeled and used to cover roofs. People in underdeveloped and developing countries still build roofs above their heads using simple bio-based or organic materials. New roofing materials that include synthetics may offer protection and durability to consumers but they may also pose environmental risks. Both the governments and the businesses are promo