Maintenance Guides / Exterior & Structure

Inspect attic ventilation balance

Difficulty: moderateTime: 90 mins

Why it matters

Imbalanced ventilation causes ice dams in winter and premature shingle failure from summer heat.

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How to do it

  • 1

    Safely enter attic and allow eyes to adjust to lighting.

  • 2

    Locate intake vents (soffit) and check for blockages.

  • 3

    Locate exhaust vents (ridge or gable) and verify clear.

  • 4

    Check for areas where insulation blocks air pathways.

  • 5

    Look for moisture, condensation, or mold indicating ventilation failure.

  • 6

    Calculate intake/exhaust ratio and plan improvements with contractor if needed.