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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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  1. Dormer: a framed projection through the sloping plane of a roof.
  2. Downspout: a conduit for carrying water from a gutter, scupper, drop outlet or other drainage unit from roof to ground level.
  3. Eave: a roof edge that extends out past the exterior wall line.
  4. Gable: a triangular-shaped portion of the endwall of a building directly under the sloping roof and above the eave line.
  5. 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.
  6. 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.
  7. Hip: the external angle formed by the intersection of two sloping roof planes.
  8. 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.
  9. 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.
  10. Ridge: the line where two planes of roof intersect, forming the highest point on the roof that runs the entire length of the roof.
  11. 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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