Gable - A triangular area of an exterior wall formed by two sloping roofs.
Gambrel - A roof where each side has two slopes; a steeper lower slope and a flatter upper one; a 'barn roof'. Often found in Colonial revival houses in the "Dutch" style.
Gazebo - A small summerhouse or pavilion with a view, or a belvedere on the roof of a house.
Girder - A strong, wooden member spanning foundation walls designed to support joist ends.
Girt - Supports the second floor joist in two-story construction.
Grounds - Wooden strips of plaster thickness found behind inside window and door casings and baseboards to provide adequate nailing surface.
Glass Block - A window type formed by a compilation of small translucent cubes of glass.
Gutter - A metal or plastic trough along the edge of a roof that collects water off the eave and carries it to the down spout.
Half-timber - A framed construction method where spaces between members are filled with masonry.
Hanger - A formed sheet steel device that anchor together floor framing members that meet at right angles.
Head - A term that applied to the construction that comprises the entire lintel of a door or window.
Header - This term applies to several construction features; - The top horizontal support of a rough opening - The support for joist-ends on the foundation walls sill - The support for joist-ends in a floor or roof opening
Hearth - The fireplace floor.
Heat Loss - The heat that is lost (in BTU's) through ceilings, roof, floors and exterior walls of a house.
Heating Systems - Different heating Methods for heating buildings: Hot Water, warm air, steam, electric, heat pump, geo-thermal, etc
Hip Rafter - The rafter at the corner of a hip roof.
Hipped roof - A roof with slopes on all four sides. The "hips" are the lines formed when the slopes meet at the corners.
Home Styles - The different characteristic of a home influenced by the homes of immigrants: English, French, German, Dutch, Spanish, Italians, and others. contemporary styes is a termed "release from tradition" and severs out ties with previous styles.
House Shapes - The general top view of the house outline. (Square, Rectangle, L-shaped, U-shaped, H-shaped, etc.
I-Beam - A steel beam often used for floor support. Cross section of beam resembles a capital I.
Infiltration - The act of wind blowing into the house through poorly weather-stripped windows and doors.
Inside Stop - See blind stop.
Insulation - A material designed to control the passing of heat and / or sound.
Interior Elevation - An orthographic view of an inside wall.
Ionic - The type of Greek column characterized by scroll-like decorations