Maintenance Guides / Exterior & Structure

Inspect metal roof fasteners and seals

Difficulty: hardTime: 240 minsEst. Cost: $200 - $600

Why it matters

Metal roof fasteners back out with thermal cycling, causing leaks and rust.

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How to do it

  • 1

    Set up safe roof access with fall protection.

  • 2

    Visually inspect all fasteners for rust, backing out, or missing washers.

  • 3

    Test fastener tightness with wrench, careful not to overtighten.

  • 4

    Inspect sealant around penetrations for cracks or gaps.

  • 5

    Reseal compromised areas with metal-roof-rated sealant.

  • 6

    Document deterioration for replacement planning.