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Header to Interior Finish

By The Old House Web

 

Header. (a) A beam placed perpendicular to joists and to which joists are nailed in framing for chimney, stairway, or other opening. (b) A wood lintel.

 

Hearth. The inner or outer floor of a fireplace, usually made of brick, tile, or stone.

 

Heartwood. The wood extending from the pith to the sap. wood, the cells of which no longer participate in the life processes of the tree.

 

Hip. 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.

 

Humidifier. A device designed to increase the humidity within a room or a house by means of the discharge of water vapor. They may consist of individual room-size units or larger units attached to the heating plant to condition the entire house.

 

I-beam. A steel beam with a cross section resembling the letter I. It is used for long spans as basement beams or over wide wall openings, such as a double garage door, when wall and roof loads are imposed on the opening.

 

IIC. A new system utilized in the Federal Housing Administration recommended criteria for impact sound insulation.

 

INR (Impact Noise Rating). A single figure rating which provides an estimate of the impact sound-insulating performance of a floor-ceiling assembly.

 

Insulation board, rigid. A structural building board made of coarse wood or cane fiber in 1/2- and 2%2.inch thicknesses. It can be obtained in various size sheets, in various densities, and with several treatments.

 

Insulation, thermal. Any material high in resistance to heat transmission that, when placed in the walls, ceiling, or floors of a structure, will reduce the rate of heat flow.

 

Interior finish. Material used to cover the interior framed areas, or materials of walls and ceilings.



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