Definition
The soffit is the underside of your roof overhang—it closes off the gap between the wall and roof. Good soffits protect your attic and let it breathe; bad soffits invite pests and moisture damage.
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Soffits protect the home's interior structure from weather and provide essential attic ventilation when properly vented. Common soffit materials include wood (requires regular painting and maintenance), aluminum (durable and low-maintenance), and vinyl (economical but less durable). Damaged, missing, or improperly ventilated soffits compromise attic ventilation and allow pest entry. Inspectors check for holes, deterioration, sagging, and adequate ventilation.
Pro Tip
Check soffits regularly for holes or damage. Proper soffit ventilation is essential for attic health.
Example
A home buyer in Florida noticed missing or severely damaged vinyl soffit panels along much of the home's perimeter. The exposed gaps allowed insects and nesting birds into the attic space. Replacement with new aluminum soffit cost $3,200 and improved attic ventilation and pest protection.