Maintenance Guides / Exterior & Structure

Clean window weep holes

Difficulty: easyTime: 15 mins

Why it matters

Clogged weep holes prevent water drainage and cause flooding inside the wall cavity, leading to hidden rot.

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How to do it

  • 1

    Locate weep holes at the bottom of all exterior window frames.

  • 2

    Use a thin wire, pipe cleaner, or compressed air to clear any blockage.

  • 3

    Look for debris, paint, or caulk blocking drainage.

  • 4

    Test drainage by pouring a small amount of water into the frame sill.

  • 5

    Repeat for all windows on the exterior.