Knowra Thatched roof Thatched roof A roof covering made from dry vegetation layered to shed rain and provide insulation. Its performance depends on material, slope, thickness, and skilled installation.
Waterproofing : Methods and materials that prevent water from passing through a surface or structure. A steep, dense thatch layer sheds rain by directing it down and outward.
Reed : A tall wetland grass with hollow stems, used for thatching and other purposes. Water reed is a durable thatching material whose stems form a dense outer layer.
Longhouse : A long, narrow building designed to house people, animals, or both. Many traditional longhouses used thatch over extensive pitched roofs.
Fire safety : Practices and design measures that reduce the risk and consequences of fire. Dry vegetation can burn, so thatched buildings need specific risk controls.
Roof pitch : The angle of a roof surface, usually expressed as a ratio or degrees. A steep pitch helps water run off before it penetrates the vegetation.
Straw : The dry stalks left after cereal grains are harvested. Cereal straw is bundled into thatch in regions where it is readily available.
Cottage : A small dwelling, often associated with rural or village settings. Thatched cottages are a familiar surviving form of domestic thatched construction.
Chimney fire : A fire inside a chimney, often caused by burning deposits or excessive heat. A chimney fire can ignite thatch, especially where sparks reach the roof.
Thatching : The craft of preparing and fixing layers of vegetation to a roof structure. Thatching arranges and secures bundles so their overlaps shed water.
Heather : A low-growing evergreen shrub common on open, acidic soils. Heather has been used as a regional thatching material in parts of northern Europe.
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