Maintenance Guides / HVAC & Air Quality

Seal and insulate attic hatch

Difficulty: moderateTime: 45 minsEst. Cost: $20 - $80

Why it matters

Uninsulated attic hatches cause ice dams, moisture, and 10-15% energy loss.

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How to do it

  • 1

    Open the attic hatch and inspect frame for gaps.

  • 2

    Clean dust and debris from hatch frame edges.

  • 3

    Install self-adhesive weatherstripping around hatch frame.

  • 4

    Cut rigid foam board to cover hatch top.

  • 5

    Secure insulation with spray foam.

  • 6

    Ensure hatch closes firmly and test for drafts.