Level land area subject to periodic flooding from a contiguous body of water. During the flood stage, the property may be underwater.
Flood test
A water test performed to determine the effectiveness of a roof covering.
Floodgate
Regulating device for the water that flows through a waterway or past an obstruction.
Floodlight
Normally used to spread light over a large area rather than directing it into a narrow area, it's also called a flood lamp.
Floodlight mount
Waterproof box, along with a covered electrical outlet, which is used for installation of an exterior floodlight.
Floor
(1) The inside bottom surface of a room or hall, on which people walk. (2) A lower limit set on anything.
Floor area ratio (far)
The ratio between a structure's total floor area and the total land area of the land upon which it is constructed. The FAR is calculated by dividing the total building floor area by the total building lot square area: floor area ratio = building floor area/building lot area. A maximum allowable floor area ratio is typically specified by the local building code or zoning.
Floor drain
Drainage fitting that sits flush with the floor, used in basements and showers.
Floor edger
Smaller, disk sander, which is used in tight places.
Floor flange
A fitting that connects a toilet to a floor drain.
