Hip roof: This roof slopes in four directions such that the intersection of the slopes forms an inclined triangle.
Gambrel roof: This roof like a gable roof slopes in two directions but there is a break in the slope on each side.
Mansard roof: Like the hip roof, this roof also slopes in four directions but there is a break in the slope.
Ridge: This is the ridge line of the sloped roof.
Ridge piece or ridge beam or ridge board: This is a piece of wood or board, which runs horizontally across the ridge (highest point on the roof). Common rafters are fixed on this piece and are supported by it.
Common rafters or spans: These are inclined wooden members that support battens or boarding to cover the roof. They run from a ridge to the eaves (edges). They are usually spaced 30-45 cm apart depending on the roof covering material.
Hip: This is the line where two roof surfaces meet to form an exterior angle, greater than 180°. A hipped end is the part of the roof between the two hips.
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