The surface of the roof is made from reed materials such as bamboo, straw or thatch; laid onto wood battens, with a primary structure of wood members. No sheet material is used for the roofing.

Thatch roof 1, Nepal (M. Schildkamp)

Thatch roof, Nepal (M. Schildkamp)

RWO5_Chile_Mihaldzic_1

Straw roof, Chile (S. Mihaldzic)

Bamboo roof, Malawi (WHE report 46)

Bamboo roof, Malawi (M. Sassu and I. Ngoma, World Housing Encyclopedia Report 46)