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S l o p e d R o o f A n a t o m y
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- Dormer: a
framed projection through the sloping plane of a roof.
- Downspout: a conduit for carrying water from a gutter, scupper, drop
outlet or other drainage unit from roof to ground level.
- Eave: a
roof edge that extends out past the exterior wall line.
- Gable: a
triangular-shaped portion of the endwall of a building directly under the sloping roof and
above the eave line.
- Gable Vent: a vent place in a gable for
use in conjunction with under-eave soffit ventilation to provide attic ventilation for a
building. The vent system should be installed at a one to one (1:1) ratio.
- Gutter: a
channel (usually sheet metal) installed along the downslope perimeter of a roof to convey
runoff water from the roof to the leader pipes or downspouts.
- Hip: the
external angle formed by the intersection of two sloping roof planes.
- Leader Pipe: a conduit for carrying water from a gutter, scupper, drop
outlet or other drainage unit from roof to ground level. Also known as a Downspout.
- Rake: the
sloped perimeter edge of a roof that runs from the eaves to the ridge. The rake is usually
perpendicular to the eaves and ridge.
- Ridge: the line where two planes of roof
intersect, forming the highest point on the roof that runs the entire length of the roof.
- Valley: the
internal intersection of two sloping roof planes that runs from the eaves to the ridge.
This intersection collects the most water run-off.
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