Final answer:
The tail board is a board nailed to the tails of the rafters to provide a nailing surface for the fascia.
Step-by-step explanation:
The correct answer to this question is Tail Board. The tail board is a board that is nailed to the tails of the rafters to provide a nailing surface for the fascia. It acts as a support for attaching the fascia, the board that covers the end of the rafters and gives the roof edge a finished appearance.