Materials used to build the houses would only be found locally around the tribes or imported from another country. These materials were lime plaster for the walls or floors may be imported, while local wood and soil could be used for construction. Materials used in a common house were, wood, straw, sand , stone, sand, lime and clay. straw would often be used for roofs. Adobe bricks were very common to build a house because they were strong and made out of sand, water and clay.