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Old 03-04-2011, 03:51 PM   #1
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roof leaks and leaf blower

somewhere in a forum message i saw someone mention a leaf blower used in trying to find a roof leak..............how would someone do that?? thanks!! (obviously i have a leak, ha!)

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Old 03-04-2011, 06:34 PM   #2
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The idea is to get a little bit of air pressure inside the RV and then spray potential leak spots on the outside with a soap solution looking for bubbles.

There is a product for dealers that uses a blower that attaches to a roof vent for this purpose. It doesn't take much - just enough air to get some flow out through any leaks.

What you need to do is to seal up the RV as well as you can, pump some air into it in some convenient way, and then start looking for air escaping where it shouldn't. A leaf blower might provide enough air or maybe you could rent one of those blowers they have for drying out wet carpets or something. You might need a bit of duct tape and some cardboard to fit a vent or hatch cover to blow air into the RV.

It might be easier to find an RV repair shop that has one of these things - see Finding Leaks for some ideas there.

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Old 03-05-2011, 11:36 AM   #3
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Long ago I also read that post about using a leaf blower, over on the crazy RV forum. I doubted it then and still do, reason- the interior must be pressurized to about 3 psi. I really don't think any leaf blower has the capacity to move that air volume. Then there is the exhaust, really want your RV interior smelling like 2 cycle exhaust? I have had a Sealtech Manufacturing Inc. - RV leaks bubbles recreational vehicles system used on our RV with outstanding results. They located the source of water entry(14' from where it showed inside) for the one leak I knew about, then located 2 other small water entry points I didn't know about. Total time involved was about 2 hours, and I was on the road to home with a leak-free RV.
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Old 03-05-2011, 12:03 PM   #4
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bryan, l and ray, in........thanks for the info!! ray, i would use an electric leaf blower if i were gonna try this method. just wish there was a dealer near me. boo!
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