A finishing at the gable end of a roof, fixed parallel to the roof slope.

see gable

The barge refers to the triangle shaped timbers on the front of a roof section, which form the peak of the roof. The bargeboard is the part of the triangle that roof sheeting or tiles sit upon. It resembles the fascia board that runs horizontally about the perimeter and serves to support the roof guttering. The bargeboard and the whole triangle section as a completed section are then referred to as the gable end of the building.

Horizontal beam rafter that supports shorter rafters.

Trim along the edge of roofing at a gable end. Slopes at roof pitch. It is fixed to ends of battens, purlins or verge rafters.