Fascia is the vertical board running along the edge of the roofline, typically where gutters are mounted.
Fascia boards form the visible trim along the roof's edge, connecting the ends of the rafters and providing the mounting surface for gutters. Fascia is typically wood, though aluminum or vinyl-wrapped fascia has become common for lower maintenance, especially in wet climates where wood fascia is prone to rot from gutter overflow or ice dam backup.
Not always — but any rotted or damaged fascia found during tear-off is typically flagged and repaired, since it's the mounting point for gutters and needs to be structurally sound.
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