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 |