Search Results for N nailer A strip of wood or other fitting attached to or set in concrete or attached to steel to facilitate making nailed connections. neat cement A cement mortar or grout made without addition of sand or lime. neat plaster Plaster mixed with no aggregate. NEC National Electrical Code needle In underpinning, the horizontal beam that temporarily holds up the wall or column while a new foundation is being placed. negative reinforcing Steel reinforcing for negative moment in a reinforced concrete structural member. negligence The failure of a party to conform its conduct to the standard of care required by law. neoprene A synthetic rubber with high resistance to petroleum products and sunlight. Neoprene is used in many construction applications, such as roofing and flashing, vibration absorption, and sound absorption. nested studs Two studs placed together for additional support in framing an opening. newel The post supporting a handrail at the top and bottom of a flight of stairs. Also, the center post of a spiral staircase. nibbed tile A small lug at the upper end of a roofing tile that hooks over a batten. nominal dimension In masonry, a dimension larger than the one specified for the masonry unit by the thickness of a joint. nonbearing partition A partition that is not designed to support the weight of a floor, wall, or roof. nonconforming A building, or the use of a building, that does not comply with existing laws, rules, regulations, or codes. nonmetallic sheathed cable Two or more electrical conductors enclosed in a nonmetallic, moisture-resistant, flame-retardant sheath. normal weight concrete Concrete having a unit weight of approximately 150 pounds per cubic foot and made with aggregates of normal weight. nosing The horizontal projection of an edge from a vertical surface, such as the nosing on a stair tread. nosing line The slope of a stair as defined by a line connecting the nosing of each stair tread. Search Again