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Cross hipped: The result of joining two or more hip roof sections together, forming a T or L shape for the simplest forms, or any number of more complex shapes. Satari: A Swedish variant on the monitor roof; a double hip roof with a short vertical wall usually with small windows, popular from the 17th century on formal buildings.
Copper Leader Head at Penn's Quadrangle, Philadelphia 1894 Copper Leader at Shofuso Japanese House and Garden in Philadelphia. The purpose of a leader head is to help transfer excess water from the roof onto downspouts, thus preventing the gutters from overflowing and water washing over the walls, which is a common occurrence in areas susceptible to heavy rain cycles.
Primer extension is a technique whereby the 5' ends of RNA can be mapped - that is, they can be sequenced and properly identified. Primer extension can be used to determine the start site of transcription (the end site cannot be determined by this method) by which its sequence is known.
Section view through a house roof drawing showing names for parts of the structure. [clarification needed] (UK and Australia). Ctrs. means centers, a typical line to which carpenters layout framing. Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates. [1]
A slate roof may last 75 to 150 years, and even longer. However, slate roofs are often expensive to install – in the US, for example, a slate roof may have the same cost as the rest of the house. Often, the first part of a slate roof to fail is the fixing nails; they corrode, allowing the slates to slip.
Nevertheless, a flat roof on a building is counted as a floor in other languages, for instance dakvloer in Dutch, literally "roof-floor", simply counted one level up from the floor number that it covers. A two-storey house or home extension is sometimes referred to as double-storey in the UK, [4] while one storey is referred to as single-storey ...
Benjamin Stephenson House's courtyard formed by an ell. In architecture, an ell is a wing of a building perpendicular (at a right angle) to the length of the main portion (main range). [1] It takes its name from the shape of the letter L. Ells are often additions to a building.
An extension of a gable roof wherein the ridgeline is extended at the peak of the gable creating an angled eave elongated at the ridge is known as a prow or "winged" gable. This roof detail could occur on a forward facing prow but is most commonly found on the end gables of ranch houses and other mid-20th century designs. It added additional ...