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Roofing Term

Eave

An eave is defined as the lower edge of a roof that overhangs the exterior wall of a building, providing protection from rain and directing water away from the foundation. Eave overhang typically ranges from 6 to 24 inches depending on architectural style and climate. The eave is the primary location for ice dam formation in cold climates and is where drip edge, ice and water shield, and gutter systems are installed.

Source: SquareDash Roofing Glossary, 8,900+ completed projects

Related roofing terms

Drip Edge

Drip edge is defined as an L-shaped metal flashing strip installed along the eaves and rakes of a roof to direct water runoff away from the fascia and into the gutter system.

Overhang

An overhang is defined as the portion of the roof structure that extends beyond the exterior wall of a building, providing protection from rain, snow, and sun exposure.

Fascia

Fascia is defined as the vertical board or trim piece that caps the exposed ends of the roof rafters along the eave, serving as the mounting surface for the gutter system and the termination point for the drip edge.

Soffit

Soffit is defined as the finished underside of the roof overhang, spanning from the exterior wall to the fascia board at the eave.

Ice Dam

An ice dam is defined as a ridge of ice that forms along the eave of a roof when melted snow refreezes at the roof edge, preventing proper drainage and causing water to back up under the shingles.

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