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Thread: RV roof sealant

  1. #1

    Default RV roof sealant

    My tent trailer has a leaky roof. I've been over it, and I'm pretty sure I've found the leak: right on the center roofline, there's a crack in that seam towards the rear. I bought some "Indoor/Outdoor Acrylic latex caulk with Silicone", and that seems to seal it up ok for a few days (this is why I'm pretty sure I know where it's leaking), but the crack simply resurfaces through the caulk and it leaks again. Any suggestions for a better/more suitable product or ???
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  2. #2


    Check with "Camper World", they should be able to match the sealant with the type roof material on the camper. Good luck!

    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  3. #3


    Check out
    When you hear hoofbeats, look for horses not zebras.

  4. #4
    Jr. Engineer
    Join Date
    Aug 2009
    Muddy Creek, Va & Hunting Quarters NC


    I know this is not much help but I was looking for a product to seal the top of my horse trailer and found a company that made a liquid rubber product. Now the not much help part! I can not remember or find the name of the company. They sent me a sample and it looked like it might work but that project went to the back burner.

  5. #5
    Master Mechanic tattooed4life's Avatar
    Join Date
    Apr 2008
    Stevensville MI


    I picked up a gallon of roof repair cement from the local hardware store for our cargo trailer at work. I got the stuff with "rubber" in it and a roll of fiberglass. I applied a layer of the cement and then the fiberglass then went back over it until I couldn't see the texture of the fiberglass. It has worked well so far with no leaks. It's been at least a year since I did that.
    1997 Chevy K3500
    4x4 X-Cab Dually
    454 Dual Exhaust

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