It is essential to handle the drainage from a roof at the eave properly and protect against wind driven rain at the rake.
Terms of various parts of roof.
The points of the roof that project from the side walls of the house.
Different parts of a roof and their importance decking sheathing.
Like many aspects of a home a roof is fairly complex.
Dormers were initially introduced by french architect françois mansart who also happened to introduce mansard.
The wood member at the intersection is called the valley rafter.
A purpose designed tile that covers the ridge apex of a pitched roof.
There are several other terms that are useful to know.
Common parts components of a roof cornice.
An eave is a horizontal edge where the roof hangs over the exterior wall.
An internal angle formed by the intersection of two roof surfaces typically at 90.
Rafters these are wooden beams that run from the top of the roof to the bottom.
Hip this is an external angle formed by the intersection of two sloping roof planes.
Courses rows of shingles or tiles installed horizontally.
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.
Sheathings usually consist of wood like material called oriented strand board or then plywood.
It usually consists of either plywood.
Decking or sheathing the surface to which the shingles and or panels are applied.
The terms pitch and slope are simply two different ways of expressing the same measurement.
Valley this is an internal angle formed by the intersection of two sloping roof planes.
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.
Here are the parts of a roof edge.