Box Sill
A type of sill used in frame construction in which the floor joists butt and are nailed to a header joist and rest on the sill.
Branch, Plumbing
A horizontal run of waste piping that carries waste material to a vertical riser.
Box Beam
A structural member of metal or plywood whose cross-section is a closed rectangular box shape.
Branch Circuit
The electrical wiring between the overcurrent protection device and the connected outlets.
Braced Frame
A vertical truss used to resist lateral forces.
Branch Interval
A length of soil or waste stack 8 feet or more in height (equal to one story) within which the horizontal branches from one floor or story of a building are connected to a stack.
Boundary
The legal recorded property line between two parcels of land.
Branch
A pipe in a plumbing system into which no other branch pipes discharge and that discharges into a main or submain.
Branch Vent
A vent connecting one or more individual vents into a vent stack or stack vent.
Brace
An inclined piece of framing lumber applied to wall or floor to strengthen the structure. Often used on walls as temporary bracing until framing has been completed.
Breaker panel
The electrical box that distributes electric power entering the home to each branch circuit (each plug and switch) and composed of circuit breakers.
Brick tie
A small, corrugated metal strip @ 1" X 6"- 8" long nailed to wall sheeting or studs. They are inserted into the grout mortar joint of the veneer brick, and holds the veneer wall to the sheeted wall behind it.
Brick mold
Trim used around an exterior door jamb that siding butts to.
Brick lintel
The metal angle iron that brick rests on, especially above a window, door, or other opening.
Brick ledge
Part of the foundation wall where brick (veneer) will rest.
Breaking Strength
The point at which a material actually begins to break.
Brinnel Hardness Number
A measure of Brinell hardness that is obtained by dividing the load in kilograms by the area of the indentation given in square millimeters.
Brinell Hardness
A measure of the resistance of a material to indentation.
Bridging
Small wood or metal members that are inserted in a diagonal position between the floor joists or rafters at mid-span for the purpose of bracing the joists/rafters & spreading the load. Members attached between floor joists to distribute concentrated loads over more than one joist and to prevent rotation of the joist. Solid bridging consists of joist-depth lumber installed perpendicular to and between the joists. Cross-bridging consists of pairs of braces set in an "X" form between joists.
Brick Veneer
A vertical facing of brick lay against and fastened to sheathing of a framed wall or tile wall construction. Non-loadbearing brick facing applied to a wall to give appearance of solid-brick construction; bricks are fastened to backup structure with metal ties embedded in mortar joints.