A traditional roof covering comprising reeds, rushes or straw. The waterproofing is obtained as physical laws determine that rain runs along the individual downwards-sloping reeds before falling off onto a lower reed. Each reed therefore carries the...

Thatching is the craft of covering a roof with vegetation such as straw, water reed, sedge, rushes and heather. It is probably the oldest roofing material and has been used in both tropical and temperate climates. Thatch is still employed by builders in...