Thatching is the craft applying layers of dried vegetation on to structural timbers to form a room to allow water to be shed from a building.
This is a textiles & crops material
Textiles are any goods produces by weaving, knitting or felting. Crops are grown for their fibres traditionally used to make paper, cloth or rope.
The thatch is carefully layered up and moulded around the building by trimming and combing. It can then be capped at the top with a ridge
Dried Water Reeds, Combed Wheat or heather
Between 25 - 60 years. The ridges or capping on the roof has to be replaced every 10 - 15 years