Most RV manufactures recommend checking the roof sealants and seams every 90 days, and to touch up or reseal as needed. This will help prevent RV roof repairs, by checking the lap sealants and eternabond tapes will help to protect your investment. The lap sealant is used to seal all edges and penetrations to maintain waterproofing. It comes in multiple consistencies, and the factory typically uses white lap sealant with the same consistency for everything on the roof.

Shop Talk | # 16 – What Sealants Do I Use On My RV? – let’s compare self-leveling and non-sag


$1800 10’-17’     $2000 18’-25’      $2200 26’-33’     $2400 34’-40’

  • Perform roof inspection to check for sun damage or aged items that need to be replaced prior to service.
  • Remove old sealant (as needed) to prep following areas for resealing: Front and rear moldings, ceiling roof vents, skylight, refrigerator vent, plumbing vents, TV and radio antenna, satellite dish, solar mounts, ladder stations and side seams.
  • Service Includes: 16 tubes of self-leveling sealant, 2 tubes non-sag sealant, solvent cleaners, and shop supplies. (Additional charge for sealants as needed.)

Examples of what to look for on your roof.