A leaking RV roof demands immediate attention. Every hour that water enters your coach, it's soaking into insulation, wicking along framing, and creating conditions for mold. The good news? Most roof leaks can be fixed quickly and affordably with a targeted spot seal repair.
Emergency Steps: What to Do Right Now
If your RV roof is actively leaking:
- Move valuables away from the leak area and place a container to catch water
- Dry the area, use towels and a fan to prevent mold growth
- Apply temporary patch, Eternabond tape or a tarp secured with bungees
- Call for professional repair, we'll assess and give you a realistic timeline
- Document everything, photos for insurance and for your repair technician
Common RV Roof Leak Sources
AC Unit Base Seal
The most common leak point, heavy unit stresses the seal with every bump
Roof Vent Seals
Multiple vents across the roof, each with several seams that can fail
Roof Edge Seams
Where the roof membrane meets the sidewall cap
Antenna/Satellite Base
Often overlooked during inspections because it's hard to reach
Skylight Frame
Plastic frames crack from UV, and seals dry out quickly
Cap-to-Roof Transitions
Front and rear transitions are a common point where sealant fails first
Spot Seal vs. Full Roof Reseal
Not every leak requires a full reseal. Here's how to decide:
Choose Spot Seal When:
- Leak is from one specific area
- Rest of roof seals look good
- Roof was resealed within last 3 years
- You need it fixed fast
Choose Full Reseal When:
- Multiple areas show sealant failure
- Sealant is cracking/peeling widely
- Last reseal was 5+ years ago
- You want comprehensive protection
Professional resealing uses two different sealant types for a reason. Self-leveling sealant flows into gaps on flat, horizontal seams and roof surfaces, while non-sag sealant stays put on vertical surfaces like cap transitions and sidewall-to-roof joints, where a leveling sealant would just run off. A spot seal fixes the problem area you called about, but it's still a spot: it addresses that one location, and the rest of the roof can still develop new failures over time, which is why we recommend annual inspections even after a repair.
Why Las Vegas RV Owners Face More Roof Leaks
The Las Vegas climate is uniquely harsh on RV roof seals. Summer temperatures exceed 115°F on the roof surface (which can reach 170°F+), causing sealant to soften and expand. Winter lows near freezing cause contraction. This daily thermal cycling, repeated hundreds of times per year, fatigues sealant bonds faster than any other climate factor. Combined with intense UV radiation that breaks down polymer chains, Las Vegas RV owners need to reseal more often than owners in temperate climates.
Roof Leaking? Get It Diagnosed Properly.
We find the actual entry point before we seal anything.
Related Service
Spot Seal Roof Service

