Combed cereal straw or Reed takes its name from the processed material itself. The straw has been threshed to remove the grain but with an attachment to the threshing machine which removes the weeds, leaf and broken stems. The processed straw is a straight length which resembles a reed. The roof takes on a smoother carpet like finish with the eaves and gables often cut to form neat rounded edges.
Water Reed – Phragmites Australis, is a grass which grows in wetland areas to lengths dependent on the nutrients available. The reed is cut during winter months before the new shoots appear. They are stacked loosely to dry before being cleaned and bundled and sorted into differing lengths ready to be used by the thatcher. A Reed roof can be styled to look like a combed straw roof but generally forms sharper edges to eave, gable and hips.