Word | Definition |
H Clip | Small metal clips formed like an "H" that fits at the joints of two plywood (or wafer board) sheets to stiffen the joint. Normally used on the roof sheeting. |
H V A C | An abbreviation for Heat, Ventilation, and Air Conditioning |
Halk | A flat wood or metal tool 10 inches to 14 inches square with a handle used by plasterers to carry plaster mortar or mud. |
Hardware | All of the "metal" fittings that go into the home when it is near completion. For example, door knobs, towel bars, handrail brackets, closet rods, house numbers, door closers, etc. The Interior Trim Carpenter installs the "hardware". |
Hatch | An opening in a deck; floor or roof. The usual purpose is to provide access from inside the building. |
Haunch | An extension, knee like protrusion of the foundation wall that a concrete porch or patio will rest upon for support. |
Hazard insurance | Protection against damage caused by fire, windstorms, or other common hazards. Many lenders require borrowers to carry it in an amount at least equal to the mortgage. |
Header | (a) A beam placed perpendicular to joists and to which joists are nailed inframing for a chimney, stairway, or other opening. (b) A wood lintel. (c) The horizontal structural member over an opening (for example over a door or window). |
Hearth | The fireproof area directly in front of a fireplace. The inner or outer floor of a fireplace, usually made of brick, tile, or stone. |
Heat meter | An electrical municipal inspection of the electric meter breaker panel box. |
Heat pump | A mechanical device which uses compression and decompression of gas to heat and/or cool a house. |
Heat Rough | Work performed by the Heating Contractor after the stairs and interior walls are built. This includes installing all duct work and flue pipes. Sometimes, the furnace and fireplaces are installed at this stage of construction. |
Heat Trim | Work done by the Heating Contractor to get the home ready for the municipal Final Heat Inspection. This includes venting the hot water heater, installing all vent grills, registers, air conditioning services, turning on the furnace, installing thermostats, venting ranges and hoods, and all other heat related work. |
Heating load | The amount of heating required to keep a building at a specified temperature during the winter, usually 65° F, regardless of outside temperature. |
Heel cut | A notch cut in the end of a rafter to permit it to fit flat on a wall and on the top, doubled, exterior wall plate. |
Hermetic Seal | Vacuum seal (between panes of a double-paned window i.e. insulated glass unit or IGU). Failure of a hermetic seal causes permanent fogging between the panels of the IGU. |
Highlights | A light spot, area, or streak on a painted surface |
Hip | A roof with four sloping sides. The external angle formed by the meeting of two sloping sides of a roof. |
Hip roof | A roof that rises by inclined planes from all four sides of a building. |
Hoistway | A shaft-way for the travel of one or more elevators. |
Home run (electrical) | The electrical cable that carries power from the main circuit breaker panel to the first electrical box, plug, or switch in the circuit. |
Honey combs | The appearance concrete makes when rocks in the concrete are visible and where there are void areas in the foundation wall, especially around concrete foundation windows. |
Hose bib | An exterior water faucet (sill cock). |
Hot wire | The wire that carries electrical energy to a receptacle or other device—in contrast to a neutral, which carries electricity away again. Normally the black wire. Also see ground. |
Hub | In plumbing, the enlarged end of a pipe which is made to provide a connection into which the end of the joining pipe will fit. |
Humidifier | An appliance normally attached to the furnace, or portable unit device designed to increase the humidity within a room or a house by means of the discharge of water vapor. |
Hurricane clip | Metal straps that are nailed and secure the roof rafters and trusses to the top horizontal wall plate. Sometimes called a Teco clip. |
Hydroelectric Elevator | An elevator where liquid is pumped under pressure directly into the cylinder by a pump driven by an electric motor without an accumulator between the pump and cylinder. |
