Glossary of Architectural and Building Terminology - J
- A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - Y - Z -
Jack Rafter - A jack rafter is one of the shorter rafters used in constructing a hip or valley roof; in the United States, the term applies to any secondary roof timber, like the common rafters resting on purlins in a trussed roof; and also, one of the pieces simulating extended rafters, used under the eaves in some styles of building.
©2007 The Probert Encyclopaedia. Data used under license.
Jack Timber - The term jack timber is applied to any timber, such as a rafter, rib, or studding, which, being intercepted, is shorter than the others.
©2007 The Probert Encyclopaedia. Data used under license.
Jack Truss - A jack truss is a minor truss used in a hip roof, where the roof does not have its full section.
©2007 The Probert Encyclopaedia. Data used under license.
Jacobean - Jacobean refers to a style of architecture popular during the reign of James I which was characterised by the grafting of Classical details onto mediaeval-style buildings.
©2007 The Probert Encyclopaedia. Data used under license.
Jamb - A jamb is the vertical side of any opening, such as a door or fireplace; hence, less properly, the term applies to any narrow vertical surface of a wall, such as the wall of a chimney- breast or of a pier, as distinguished from its face.
©2007 The Probert Encyclopaedia. Data used under license.
Jaspe Papers - Jaspe papers are wallpapers with a soft, irregular pattern giving the appearance of the surface having been combed or brushed.
©2007 The Probert Encyclopaedia. Data used under license.
Jedding Axe - A jedding axe is a stone mason's tool, having a flat face and a pointed part.
©2007 The Probert Encyclopaedia. Data used under license.
Jerkinhead - A jerkinhead is the hipped part of a roof which is hipped only for a part of its height, leaving a truncated gable.
©2007 The Probert Encyclopaedia. Data used under license.
Jesse Window - A jesse window is a window of which the glazing and tracery represent the tree of Jesse.
©2007 The Probert Encyclopaedia. Data used under license.
Jetty - A jetty is a part of a building that jets or projects beyond the rest, and overhangs the wall below.
©2007 The Probert Encyclopaedia. Data used under license.
Jib Door - A jib door is a door made flush with the wall, without dressings or mouldings, often a disguised door.
©2007 The Probert Encyclopaedia. Data used under license.
Joggle - A joggle is a notch or tooth in the joining surface of any piece of building material to prevent slipping; sometimes, but incorrectly, applied to a separate piece fitted into two adjacent stones, or the like.
©2007 The Probert Encyclopaedia. Data used under license.
Joggle Joint - A joggle joint is a joint in any kind of building material, where the joining surfaces are made with joggles.
©2007 The Probert Encyclopaedia. Data used under license.
Joint Pin - In scaffolding, a joint pin or spigot, is an internal connection used for joining two metal tubes together, end to end. Joint pins are fitted with a screw by which the device can be expanded to grip the inside of the tubes firmly.
©2007 The Probert Encyclopaedia. Data used under license.
Jointer - A jointer is a bent piece of iron inserted to strengthen the joints of a wall.
©2007 The Probert Encyclopaedia. Data used under license.
Jointing Rule - A jointing rule is a long straight rule, used by bricklayers for securing straight joints and faces.
©2007 The Probert Encyclopaedia. Data used under license.
Joist - A joist is a piece of timber laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed. The joints are called varying names according to their position or use, a binding joist, bridging joist, ceiling joist, trimming joist, etc.
©2007 The Probert Encyclopaedia. Data used under license.
Jube - A jube is a chancel screen or rood screen. The term is also applied to the gallery above such a screen, from which certain parts of the service were formerly read.
©2007 The Probert Encyclopaedia. Data used under license.
Jump - A jump is an abrupt interruption of the level in a piece of brickwork or masonry.
©2007 The Probert Encyclopaedia. Data used under license.
Jumper - A jumper is a long drilling tool used by masons and quarrymen.
©2007 The Probert Encyclopaedia. Data used under license.
