Terms Of Various Parts Of Roof

Different parts of a roof and their importance decking sheathing.

Terms of various parts of roof.

Courses rows of shingles or tiles installed horizontally. An eave is a horizontal edge where the roof hangs over the exterior wall. A roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run. Like many aspects of a home a roof is fairly complex.

There are several other terms that are useful to know. Sheathings usually consist of wood like material called oriented strand board or then plywood. A purpose designed tile that covers the ridge apex of a pitched roof. Decking or sheathing the surface to which the shingles and or panels are applied.

Rafters these are wooden beams that run from the top of the roof to the bottom. A rake is a sloped edge where a roof hangs over the exterior wall. The wood member at the intersection is called the valley rafter. It is essential to handle the drainage from a roof at the eave properly and protect against wind driven rain at the rake.

Common parts components of a roof cornice. It usually consists of either plywood. Hip this is an external angle formed by the intersection of two sloping roof planes. The terms pitch and slope are simply two different ways of expressing the same measurement.

The points of the roof that project from the side walls of the house. Here are the parts of a roof edge. Custom cross section diagram of a house roof showing the many different parts of a residential roof including structural parts the various layers exterior and various roof features such as skylight and chimney. The same roof has a 4 12 or 1 3 pitch.

A term used to describe a pitched roof the ends of which are also sloped and meet at an external angle. Valley this is an internal angle formed by the intersection of two sloping roof planes.