Attic Ventilation

Roofing terms · plain-language definition, with its source

Roofing terms · definition

Balanced intake (soffit) and exhaust (ridge) airflow that controls attic heat and moisture, extending shingle life and preventing ice dams and mold.

Source: Wikipedia — Attic (Ventilation)

Where this comes up on this site

  • Ice Dam

    A ridge of ice at the eave from attic heat melting and refreezing snow, forcing water back under shingles. Fixed by air-sealing, insulati…

  • Ridge

    The horizontal top line where two roof planes meet — the highest point and a key ventilation location (ridge vent).

  • Soffit

    The finished underside of the roof overhang that houses intake ventilation and closes the eave.

  • Blistering / Cupping

    Shingle surface bubbling (blistering) or edge curling (cupping) from heat and poor attic ventilation — signs of aging or a ventilation pr…

  • Assignment of Benefits (AOB)

    A document transferring the homeowner's claim rights to the contractor. Convenient but ripe for abuse — read carefully before signing.

  • Box / Static Vent

    Individual non-powered roof exhaust vents ('turtle vents') used where a continuous ridge vent isn't feasible.

  • Asphalt Shingle

    The dominant U.S. residential roof covering — a fiberglass-mat shingle coated in asphalt and mineral granules. Economical, with 3-tab and…

  • Built-Up Roof (BUR)

    A low-slope roof of alternating bitumen and felt plies topped with gravel — the traditional 'tar and gravel' flat roof.

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