Maintenance Guides / Exterior & Structure

Seal roof vent boots

Difficulty: moderateTime: 45 minsEst. Cost: $5 - $150

Why it matters

Cracked rubber pipe boots are the #1 source of mystery ceiling leaks. A $5 fix prevents $5,000 in drywall damage.

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How to do it

  • 1

    Use binoculars from ground to inspect all roof vent boots, pipes, and chimneys for cracks.

  • 2

    Clean away moss, algae, and debris around the boot.

  • 3

    If safe, climb to apply roof sealant around the boot perimeter.

  • 4

    Replace the boot if cracked through.

  • 5

    Allow sealant to cure fully before exposing to rain.