封檐板又称檐口板，遮檐板，是指在檐口或山墙顶部外侧的挑檐处钉置的木板。悬山屋面山面封檐板又称为博风板或封山板。
封檐板，风雨板：一组隔板；披迭板。
屋顶大的垂悬部分和薄的封檐板使建筑尽可能的明亮通风。
The large overhang of the roof and the thin fascia board makes the building as light and airy as possible.
山墙封檐板常做装饰性雕刻的木板，与三角屋顶突出来的边相连。
A board, often ornately carved, attached along the projecting edge of a gable roof.
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