Definition of the term Oakum
Loose hemp or jute fiber that is impregnated with tar or pitch and used to caulk large seams or for packing plumbing pipe joints.
Definition of the term Shoring
A temporary support erected in a trench or other excavation to support the walls from caving in.
Definition of the term Window Buck
Square or rectangular box that is installed within a concrete foundation or block wall. A window will eventually be installed in this "buck" during the siding stage of construction.
Definition of the term Batter Boards
Temporary structures that hold strings used to locate and square the corners of a building.
Definition of the term Credit Rating
A report ordered by a lender from a credit agency to determine a borrower's credit habits.
Definition of the term Girdle
A large principal beam made of steel, reinforced concrete, wood or combination of these, used to support other structural members at isolated points along its length.
Definition of the term OD (Outside Diameter)
A measurement of the diameter of a pipe as taken from the outside edge. A common method for sizing pipe.
Definition of the term Short Circuit
A situation that occurs when hot and neutral wires come in contact with each other. Fuses and circuit breakers protect against fire that could result from a short.
Definition of the term Window Frame
The stationary part of a window unit; the window sash fits into the window frame.
Definition of the term Bay Window
Any window space projecting outward from the walls of a building, either square or polygonal in plan.