Maintenance Guides / Exterior & Structure

Inspect attic

Difficulty: moderateTime: 30 mins

Why it matters

An improperly ventilated or under-insulated attic drives up energy bills and can cause ice dams in cold climates. It's also where roof leaks show up first — brown water stains on decking or rafters mean you have a leak that hasn't reached the ceiling yet.

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How to do it

  • 1

    Use a flashlight and step only on joists or a plywood walkway — never between joists.

  • 2

    Check insulation depth — it should be at least 10-14 inches of fiberglass or equivalent.

  • 3

    Look for brown water stains on roof decking or rafters (signs of a roof leak).

  • 4

    Verify soffit vents are not blocked by insulation — baffles should keep them clear.

  • 5

    Look for daylight coming through the roof (indicates missing or damaged shingles).

  • 6

    Check for pest signs: droppings, nesting material, chewed wiring.

  • 7

    In winter, look for frost on the underside of the roof deck (a sign of poor ventilation).