natural building material
Building materials consisting of naturally occurring substances such as mud, clay, ice and snow.
soapstone
type of metamorphic rock
cordwood construction
wall construction from pieces of wood that are permanently fixed with mortar or clay
sandstone
type of sedimentary rock
cobblestone
natural building material based on cobble-sized stones, used for pavement roads, streets, and buildings
sod
grass and roots beneath
light clay
mixture from loam and straw
wattle
lightweight construction material made by weaving thin branches or slats between upright stakes to form a woven lattice
sand
granular material composed of finely divided rock and mineral particles, sand particles range in diameter from 0.063 to 2 mm (per ISO 14688)
Sioux Quartzite
type of quartzite rock
cob
natural building material made from subsoil, water, some kind of fibrous organic material (typically straw)
bamboo
construction material made of bamboo
Bernese sandstone
sedimentary rocks from the surroundings of the city of Bern, Switzerland
roof slate
dark grey material for roofing, often perforated