Roof Anatomy
What is Soffit?
Roofing Glossary · Roof Anatomy
Definition
The finished underside of the roof overhang that spans from the exterior wall to the fascia board. Soffits protect the rafters from weather and pests and often contain ventilation holes or continuous vents that allow fresh air into the attic, forming one half of the passive ventilation system.
Related Roofing Terms
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FasciaThe vertical board that runs along the lower edge of the roof, directly behind the gutter and beneat...
→EaveThe lower edge of a roof that overhangs beyond the exterior wall of a building. Eaves direct rainwat...
→RafterOne of a series of sloped structural members that extend from the ridge board at the peak to the wal...
→Ridge VentA continuous or segmented ventilation product installed along the entire length of the roof ridge th...
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