Glossary of Terms
Words beginning with B
- B -
BARGE BOARD: Exterior visible flat trim board that follows the rake of the roof.
BATTEN: Narrow board used to cover cladding joins or used for decorative purposes.
BATTER BOARDS: Profiles; Horizontal boards attached level to stakes, used to mark out the boundary of a construction and establish the levels and building line.
BAY (WINDOW): A combination of three window units joined together that project outwards. The center unit is parallel to the wall and the two units each side are usually 45° or 90° (right angles) to the wall but can be any angle
BEADING: A finishing wood. Fits under the soffit lining and against the cladding.
BEAM: A supporting member.
BENCH SEAT: A seat that is lacking a divider. A long seat for two or more persons
BD: See BOARD
BF: See BOARD FOOT
BIRDHOUSE: Shelter for birds. Different species require different designs.
BLUE PRINTS: Architectural plans for a building or construction project, which are likely to include floor plans, footing and foundation plans, elevations, plot plans, and various schedules and or details. Reproduction of architectural drawings used by contractors and workers to guide the building process
BIRD'S MOUTH: The notch in a rafter that rests on the top plate of a wall.
BOARD: A piece of sawn, or dressed timber of greater width than thickness. Usually 19mm (3/4") to 38mm (1 1/2") thick and 75mm (3") or more wide.
BOARD FOOT: A form of wood measurement, where one board foot equals the volume of a board 1 inch thick, 12 inches wide, and 12 inches long. A board foot is equal to 144 cubic inches of wood. FORMULA: (Thickness x Width x Length) / 144 = Board Feet
BOLT: A metal rod that has a head on one end and threads on the other and is used to fasten together lumber. The most common bolts used or referred to in projects within this website are coach/carriage bolts and hex bolts. Coach/carriage bolts: are round headed bolts with square shoulders that resist rotation when located or driven into place. They can be called coach bolts or carriage bolts depending on which part of the world you live in. The head end of the bolt does not need a washer, but the other end of the bolt (the nut end) usually does. Hex bolts: Hex bolts have a hexagonal shaped head (six sided) which enables a wrench or spanner to grip it. A washer is usually required at both ends of the bolt
BOTTOM PLATE: Wall plate, sole plate; The bottom horizontal framing member of the wall
BOX: Rough grade timber
BOX NAIL: Flat-headed nail, which is used on thin material in place of larger nails. Box nails have heads that are clearly visible after the nails have been driven. Box nails are the same length per penny size as common nails, but have slightly narrower shanks and heads
BRACE: To make rigid.
BRAD: Brad (nail) A small finishing nail up to 1" long with a rounded head (brad head) for nail concealment.
BRIDGE: A structure that allows people or vehicles to cross an obstacle such as a river or pond or garden.
BT: Boric treated wood. For internal framing only
BUILDING LINE: The outline of a building.