#building_material  material used for constructing buildings
  supertype:  #artifact__artefact  a man-made object taken as a whole
  subtype:  #brick  rectangular block of clay baked by the sun or in a kiln; used as a building or paving material
     subtype:  #adobe_brick__adobebrick__adobe  sun-dried brick; used in hot dry climates
     subtype:  #clinker_brick__clinkerbrick__clinker  a hard brick used as a paving stone
     subtype:  #firebrick  brick made of fire clay; used for lining e.g. furnaces and chimneys
     subtype:  #coping__header__cope  brick that is laid sideways at the top of a wall
  subtype:  #building_block.building_material__buildingblock  a block of material used in construction work
     subtype:  #ashlar  a rectangular block of hewn stone used for building purposes
     subtype:  #cinder_block  a concrete building block made with cinder aggregate
     subtype:  #keystone__headstone  the central building block at the top of an arch or vault
        subtype:  #quoin__coign__coigne  the keystone of an arch
     subtype:  #voussoir  wedge-shaped stone building block used in constructing an arch or vault
     subtype:  kr#lego
  subtype:  #stone  building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
     subtype:  #ashlar  a rectangular block of hewn stone used for building purposes
     subtype:  #Blarney_Stone  a stone in Blarney Castle in Ireland, said to impart skill in flattery to whoever kisses it
     subtype:  #capstone__copestone__copingstone__stretcher  a stone that forms the top of wall or building
     subtype:  #cornerstone  a stone at the outer corner of two intersecting masonry walls
     subtype:  #cornerstone.stone  a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
     subtype:  #foundation_stone  a stone laid at a ceremony to mark the founding of a new building
     subtype:  #gravestone__headstone__tombstone  a stone that is used to mark a grave
     subtype:  #grindstone  a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools
     subtype:  #hearthstone  a stone that forms a hearth
     subtype:  #millstone  one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain
     subtype:  #monolith  a single great stone (often in the form of a column or obelisk)
     subtype:  #paving_stone  a stone used for paving
        subtype:  #cobble__cobblestone__sett  rectangular paving stone with curved top; once used to make roads
        subtype:  #curbstone__kerbstone  a paving stone forming part of a curb
        subtype:  #flagstone__flag  stratified stone that splits into pieces suitable as paving stones
     subtype:  #springer__impost  the lowest stone in an arch -- from which it springs
     subtype:  #stela__stele  an ancient upright stone slab bearing markings
     subtype:  #whetstone  a flat stone for sharpening edged tools or knives
        subtype:  #hone  a whetstone made of fine gritstone; used for sharpening razors
        subtype:  #oilstone  a whetstone for use with oil
  subtype:  #bricks_and_mortar  building material consisting of bricks laid with mortar between then
  subtype:  #cement.building_material  a building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar
     subtype:  #hydraulic_cement__hydrauliccement__portlandcement  a cement that hardens under water; made by heating limestone and clay in a kiln and pulverizing the result
  subtype:  #concrete  a strong hard building material composed of sand and gravel and cement and water
     subtype:  #cement.concrete  concrete pavement is sometimes referred to as cement; "they stood on the gray cement beside the pool"
     subtype:  #reinforced_concrete__ferroconcrete  concrete with metal and/or mesh added to provide extra support against stresses
  subtype:  #covering_material  a material used by builders to cover surfaces
     subtype:  #fiberglass__fibreglass  a covering material made of glass fibers in resins
     subtype:  #linoleum__lino  a floor covering
     subtype:  #plaster  a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
        subtype:  #finish_coat__finishing_coat__finishingcoat  the final coating of plaster applied to walls and ceilings; "we can't paint until they put on the finishing coat"
        subtype:  #grout  a thin mortar that can be poured and used to fill cracks in masonry or brickwork
        subtype:  #parget__pargeting__pargetting  plaster used to coat outer walls and line chimneys
        subtype:  #roughcast.plaster  a coarse plaster for the surface of external walls
        subtype:  #spackle__spackling_compound__spacklingcompound  powder (containing gypsum plaster and glue) that when mixed with water forms a plastic paste used to fill cracks and holes in plaster
        subtype:  #stucco  a plaster now made mostly from Portland cement and sand and lime; applied while soft to cover exterior walls or surfaces
     subtype:  #puddle  a mixture of wet clay and sand that can be used to line a pond and that is impervious to water when dry
  subtype:  #fencing_material__fencingmaterial__fencing  material for building fences
  subtype:  #flooring  building material used in laying floors
  subtype:  #gunite  a mixture of cement and sand and water that is sprayed on a surface under pneumatic pressure
  subtype:  #insulating_material__insulatingmaterial__insulant__insulation  an insulating material
     subtype:  #lagging  used to wrap around pipes or boilers or laid in attics to prevent loss of heat
  subtype:  #lath_and_plaster  a building material consisting of thin strips of wood that provide a foundation for a coat of plaster
  subtype:  #lumber__timber  the wood of trees cut and prepared for use as building material
     subtype:  #stock.lumber  lumber used in the construction of something; "they will cut round stock to 1-inch diameter"
     subtype:  #strip  thin piece of wood or metal
        subtype:  #batten  a strip fixed to something to hold it firm
        subtype:  #cleat.strip  a strip of wood or metal used to strengthen the surface to which it is attached
        subtype:  #fingerboard  a narrow strip of wood on the neck of some stringed instruments (violin or cello or guitar etc) where the strings are held against the wood with the fingers
        subtype:  #furring_strip__furring  strip used to give a level surface for attaching wallboard
        subtype:  #jackstraw__spillikin  a thin strip of wood used in playing the game of jackstraws
        subtype:  #pale__picket  a wooden strip forming part of a fence
        subtype:  #slat__spline  a thin strip (wood or metal)
           subtype:  #lath  a narrow thin strip of wood used as backing for plaster or to make latticework
           subtype:  #louver__louvre__fin  one of a set of parallel slats in a door or window to admit air and reject rain
           subtype:  #splat  a slat of wood in the middle of the back of a straight chair
           subtype:  #lag__stave  one of several thin slats of wood forming the sides of a barrel or bucket
        subtype:  #spline  a flexible strip (wood or rubber) used in drawing curved lines
        subtype:  #toothpick  pick consisting of a small strip of wood or plastic; used to pick food from between the teeth
     subtype:  #board.lumber__plank  a stout length of sawn timber; made in a wide variety of sizes and used for many purposes
        subtype:  #matchboard  a board that has a groove cut into one edge and a tongue cut into the other so they fit tightly together (as in a floor)
        subtype:  #skid.board  one of a pair of planks used to make a track for rolling or sliding objects
        subtype:  #strake__wale  thick plank forming a ridge along the side of a wooden ship
           subtype:  #garboard_strake__garboard__garboard_plank  the first wale laid next to the keel of a wooden ship
           subtype:  #gunwale__gunnel__gun_rest__gunrest  wale at the top of the side of boat; topmost planking of a wooden vessel
        subtype:  #chipboard__hardboard  a cheap hard material made from wood chips that are pressed together and bound with synthetic resin
        subtype:  #deal.board  a plank of softwood (fir or pine board)
     subtype:  #planking.lumber  planks collectively; a quantity of planks
  subtype:  #mortar  used as a bond in masonry or for covering a wall
  subtype:  #roofing_material__roofingmaterial  building material used in constructing roofs
     subtype:  #roofing_paper__roofingpaper__tar_paper__tarpaper  a heavy paper impregnated with tar and used as part of a roof for waterproofing
     subtype:  #slate.roofing_material__slating  thin layers of rock used for roofing
     subtype:  #thatch.roofing_material  plant stalks used as roofing material
     subtype:  #roofing_tile__roofingtile__tile  a thin flat slab of fired clay used for roofing
        subtype:  #hip_tile__hiptile  a tile shaped so as to cover the hip of a hip roof
        subtype:  #pantile  a roofing tile with a S-shape; laid so that curves overlap
        subtype:  #ridge_tile__ridgetile  an decorative tile that is bent in cross section; used to cover the ridge of a roof
  subtype:  #shake__shingle  building material used as siding or roofing
  subtype:  #siding  material applied to the outside of a building to make it weatherproof
     subtype:  #clapboard__weatherboard__weatherboarding  a long thin board with one edge thicker than the other; used as siding by lapping one board over the board below
  subtype:  #sticks_and_stone  (informal) a general term for building materials
  subtype:  #wattle_and_daub  building material consisting of interwoven rods and twigs covered with clay

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