| A | B |
|---|
| fascia | covers the rafter end enclosing the overhang |
| lookout | beam used to supoort eave loads |
| soffit | usually the underside of an overhanging cornice |
| knee wall | wall of less than full height |
| ceiling joist | horizontal member of the roof which resists outward spread of rafters |
| collar beam | horizontal ties between rafters near ridge to resist spreading |
| ridge board | top horizontal member the aligns rafters to resist downward force |
| flashing | metal used to prevent water leaking at surface intersections |
| eave | part of roof that extends out from the wall |
| hip | exterior edge formed by two sloping roof surfaces |
| ridge | top of roof where two sloping edges meet |
| roof truss | prefabricated member formed of triangular shapes to construct roof |
| pitch | the angle of the foot that uses rise and run |
| roof plan | drawing in plan view of the roof showing features |
| dutch hip | combination between hip roof and gable roof |
| mansard | gambrel roof with angled lower roof on all four sides |
| gambrel | lower steep pitch connected to upper less pitch on two sides |
| gable | constructed roof with two sloping sides that meet to form a ridge |
| shed | roof slopes in only one direction |
| flat | roof common in areas with little rain or snow |
