Many of us store our RVs for storage come winter. The number one concern with RVs when they sit in storage is water damage. This is at the top of my list of maintenance concerns for RVs and most of the time problems originate on the RV roof. If you don’t inspect the roof (and other areas) and reseal as necessary, it can sit in storage all winter while water penetrates damaged seams and seals, wreaking havoc on the RV.
There are numerous reasons why roof leaks are so prevalent. Everywhere the manufacturer cuts a hole in the RV roof has the potential to leak, and everywhere the sidewalls and end caps meet the roof are other potential sources for water leaks. When you add all the twisting and flexing that takes place on the road it’s just a matter of time before sealants give way to water damage.
Good news!
The good news is a little preventive maintenance helps avoid this costly damage from happening to your RV. Sealants used on RV roofs do a good job, but eventually they dry-out, crack and allow water to penetrate the surface. RV manufacturers are aware of these problems and if you read your owner’s manuals, most RV manufacturers require routine inspections of the roof and sealants for the warranty to remain effective. The reason for this is simple, periodic inspections of the roof seams and sealants will reveal problems that can be corrected before resulting in repair bills.
There are safety concerns anytime you work on an RV roof, and if you are not comfortable doing this type of work, have it done by a reputable RV repair facility. You also want to make sure the roof on your RV can support your weight. Some RV roofs are not designed to be walked on. Always exercise caution when you work on your RV roof.
Seams and Sealants Inspection is Key
For me, the key to these inspections is getting on your hands and knees to thoroughly inspect all the seams and sealants. A small crack or opening in the sealant can allow water to penetrate the roof’s surface. If you find a potential leak, you want to reseal it with a sealant designed specifically for the roofing material on your RV. Consult your owner’s manual or local RV dealer for proper sealants.
It’s not necessary to completely remove the old sealant, unless it is cracking or peeling away from the surface, in which case remove it. Clean the area thoroughly. Tip: you can use denatured alcohol on a rag, but do not saturate the roof with alcohol. Then reseal the area with a compatible sealant. It’s best to do this job in good weather so the sealant has a chance to cure properly.
If you get into the habit of periodically inspecting and resealing the RV roof you can extend the life of the RV and avoid costly repairs and any issues with your RV warranty.
This article by Mark Polk was originally published in Girl Camper Magazine.
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