Yet the houses consisted of mud huts with thatch roofs. It may be roofed with thatch, shingles, corrugated iron or banana leaves. Roofing coverings often used include sod or "living" roofs, thatch, and wooden shakes or shingles. Ordinary people lived in houses made of reeds plastered with mud and roofed with thatch. These homes had wide chimneys and thatch roofs. Today, they live in unpretentious huts of wattle, daub and thatch. The manufacture of tile roofs diminished with low cost thatch roofing widely available. These centres were often constructed of thatch huts with no toilets. Buildings would generally have been of wood, wattle and thatch. The roof was covered with bark or thatch. They normally use locally available building materials like timbers, bamboo, cane, and thatch. The thatch roof was replaced with tile. Early Medieval architecture's secular buildings were simple constructions mainly using timber with thatch for roofing. This was probably covered by a wood and thatch roof. The main building materials are wood, clay, tile, stone, and thatch.