Datum – An assumed horizontal reference plane used as a basis for computing elevations.
Debenture – A loan bond which is not a specific lien upon any of the real property of the issuer and for the collection of which no remedy exists save the ordinary action of law.
Deed – A written instrument whereby an estate in real property is conveyed by a grantor to a grantee.
Dormer – A vertical window, in a relatively small internal recess, projecting from a sloping roof.
Double Header – Two beams instead of one placed perpendicular to joists in framing for a chimney, stairway or other opening.
Double Trimmer – Two joists instead of one into which a header is framed.
Downspout – A spout or pipe leading downward to carry off rain water from a roof.
Dry Wall – A type of construction in which the interior wall finish is of a material other than plaster or similar material.
Dry Well – A covered pit with open-jointed linings through which drainage from roofs, basement floors, or areaways may seep or leach into the surrounding porous soil.
Easement – A vested or acquired right to use land other than as a tenant, for a specific purpose; such right being held by someone other than the owner who holds title to the land.
Elevation – A scale drawing of the upright parts of a structure.
Equity – Broadly, any interest which will receive recognition in a court of equity, whether or not such interest rests on legal ownership; specifically, the interest, usually expressed in money, of the equitable owner of a property over and above all liens against the property.
Façade – The face of a building.
FHA – Federal Housing Administration.
FHA Title 1 – A system of insurance of modernization loans for alteration, repair or improvement of existing structures.
FHA Title 2 – A system of mutual insurance of mortgages secured by residential property under the National Housing Act.
Fenestration – Arrangement of windows.
Fire Stop – A solid, tight closure of a concealed space, placed to prevent the spread of fire and smoke though such a space.
Flashing – Sheet metal or other material used in roof and wall construction to protect a building from seepage of water.
Flue – The space or passage in a chimney through which smoke, gas, or fumes ascend. Each passage is called a flue, which together and including the surrounding masonry make up the chimney.
Footing – The spreading course or courses at the base or bottom of a foundation wall, pier, or columns.
Foyer – An entrance hallway within a living unit or building.
Framing – A system of parts put together to support floors, walls, roofs, etc.
Frieze – Any sculpture or richly ornamental band in a building.
Frontage – The extent of a building or of land along a public road or a public waterway.
Furring – Strips of wood or metal applied to a wall or other surface to even it, to form an air space, or to give an appearance of greater thickness.
Gable – The vertical triangular portion of the end of a building, from the level of the cornice or eaves to the ridge of the roof.
Gambrel Roof – A gable roof each slope of which is broken into a lower steeper slope and an upper flatter one.
G.I. Bill of Rights – The amended Servicemen’s Readjustment Act of 1944, which provides for guaranteed loans for veterans up to $4,000 in real estate transactions.
Girder – A large or principal beam used to support concentrated loads at isolated points along its length.
Gypsum Board – Wallboard made of gypsum, with a covering of paper.
Header – A beam placed perpendicular to joists and into which joists are framed in framing for a chimney, stairway, or other opening.
Hip – The external angle formed by the meeting of two sloping sides of a roof, which have their wall plates running in different directions.
Hip Roof – A roof which has four sloping sides that meet at four hips or at four hips and a ridge.
Increment – The amount by which a varying quantity increases between two of its stages.
Insulation – A non-conductor used to separate conducting bodies to prevent transfer of electricity, heat or sound.
Jamb – An upright piece forming the side of an opening, as a door or fireplace.
Jerry Built – Built cheaply and unsubstantially.
Joints – The space between the adjacent surfaces of two bodies, as bricks, joined and held together, as by means of cement mortar, etc.
Joist – One of a series of parallel beams used to support floor and ceiling loads, and supported in turn by larger beams, girders, or bearing walls.
Kalsomine– A white or tinted paint medium containing zinc oxide, water, glue, and color that is used as a wash for walls and ceilings.
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