RV Technician how-to

How to Reseal an RV Roof

Roof leaks cause major damage.

Updated By the Career Education Institute Curriculum Team
Quick answer

Roof leaks cause major damage. In short: inspect; clean; remove, then complete the remaining steps below.

Step by step

  1. Inspect seams and vents.

  2. Clean surfaces.

  3. Remove failing sealant.

  4. Apply lap sealant.

  5. Check around fixtures.

  6. Inspect again.

Safety reminders for RV technicians

  • Leak-test propane
  • Use fall protection on roofs
  • Disconnect power
  • Ventilate spaces

Converter · Inverter · Shore power · Black tank · Gray tank · Slide-out: see the full RV technician glossary.

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