Pigment
A powdered solid used in paint or enamel to give it a color.
Pigtails, electrical
The electric cord that the electrician provides and installs on an appliance such as a garbage disposal, dishwasher, or range hood.
Pig Iron
A high-carbon-content iron produced by the blast furnace and used to produce cast iron and steel.
Physical Properties
The properties associated with the physical characteristics of a material, such as thermal expansion and density.
Pile Cap
A concrete slab or beam that covers the head of several piles, tying them together.
Pigments
Paint ingredients mainly used to provide color and hiding power.
Pilaster
Projecting, square column or stiffener forming part of a wall.
Pig
An ingot of cast iron.
Pier
A column of masonry, usually rectangular in horizontal cross section, used to support other structural members. Also see Caisson. A column designed to support a load.
Pile
A wood, steel, or concrete column usually driven into the soil to be used to carry a vertical load.
Pilot light
A small, continuous flame (in a hot water heater, boiler, or furnace) that ignites gas or oil burners when needed.
Pilot hole
A small-diameter, pre-drilled hole that guides a nail or screw.
Pit, Elevator
The part of the hoistway that extends below the floor of the lowest landing to the floor at the bottom of the hoistway.
Pillar
Column supporting a structure.
Pitch
The incline slope of a roof or the ratio of the total rise to the total width of a house, i.e., a 6-foot rise and 24-foot width is a one-fourth pitch roof. Roof slope is expressed in the inches of rise, per foot of horizontal run. (1) The slope of a roof or other plane surface.(2) Related to carpets, the number of tufts in a 27-inch width of carpet.
Plan view
Drawing of a structure with the view from overhead, looking down.
PITI
Principal, interest, taxes and insurance (the four major components of monthly housing payments).
Pitch of Roof
Slope of the surface, generally expressed in inches of vertical rise per 12" horizontal distance, such as "4-in-12 pitch."
Pile Hammer
A machine for delivering blows to the top of a pile, driving it into the earth.
Plaster
A cementitious material, usually a mixture of Portland cement, lime or gypsum, sand, and water. Used to finish interior walls and ceilings.