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Old 03-10-2015, 04:17 PM   #1
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I found a leak

I searched this part of the forums but didn't see anything so excuse me, I know this has been posted before. Bare with me, I don't speak in I know what I'm doing.
We received 6 inches of rain in the past two days and I decided to check the 2011 Sandpiper for leaks. Lo and behold in the back 1/2 bathroom there was water on the floor. I checked the vent that you can crank open and that is where it was coming from. It appeared to be closed tight but I guess the seal around the cover on top is leaking? So I went to check the other vent that you can open but is an electrical vent and it was ok, no water on the floor. When I started down the stairs I heard a "tick". So back to the bathroom, open up the shower and it's leaking in there through the vent. SO here's the question.
I should probably replace the vents on top because if I try to take them off to replace the seal they are going to crack right? What type of sealant do I use? Butyl tape or some kind of caulk? I did read in a previous post about a different type of leak (due to a cracked cover) about a suggestion to go over the current cover with a different type? I really don't want to spend for extra things because we are trying to sell. Thank you!
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Old 03-10-2015, 04:32 PM   #2
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Leak from bathroom manual open vent

Very likely don't need to remove the vent at all. The sealant around the edge has problem gotten stale and cracked or been lost. You need to go up, clean off as much as the old sealant as you can without damaging the roof membrane, prep the area good to remove dirt and residue, and then jay down fresh self-leveling lap sealant. I don't know what kind of membrane is on a Sandpiper, but Dicor lap sealant is compatible with most types.
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Old 03-10-2015, 05:26 PM   #3
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I'm thinking it's a rubber roof but I really don't know. Thanks for the answer. I'm looking at Maxxair vent covers but when the sun pops back out I'll look at the sealant and maybe email Forest River to see if they can tell me what kind of roof I have.
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Old 03-10-2015, 08:03 PM   #4
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The vent covers do nothing to seal water at the edges. That's not their function. I'm quite sure your roof just didn't have the regular maintenance they need. Fresh sealant will probably be all you need. If not, it's not a problem to do both a butyl tape and lap sealant redo.
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Old 03-10-2015, 08:10 PM   #5
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I figured that. I need to replace one more vent with the cyclone vent also. Looks like I'll be busy when the rain stops. Well I'm off to youtube to see what I need to do. Thanks geotex1.
By the way, is it hard to replace the exterior slide out seals?
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Old 03-10-2015, 08:24 PM   #6
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Welcome! You will get the roof fixed up easily. Take yourself to Alpha Systems website - these are the membranes used to roof most of FR campers. Just check out the YouTube videos they have and you will see how the factory does a roof and the vent sealing. You will have a great appreciation then!

Regarding the slide seals, they vary. They are also always expensive. Do you have a torn wiper or a torn bulb or is the seal just old and breaking down?
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Old 03-10-2015, 08:40 PM   #7
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Eternabond tape works great around vent flanges. Just make sure you clean the area with acetone before applying the tape.
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Old 03-10-2015, 08:42 PM   #8
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Truth in that OC! Just gotta watch if it's a chalking EPDM membrane.
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Old 03-10-2015, 09:08 PM   #9
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Truth in that OC! Just gotta watch if it's a chalking EPDM membrane.
That's why you clean it with acetone. Not my first rodeo.
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Old 03-10-2015, 09:17 PM   #10
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That's why you clean it with acetone. Not my first rodeo.
You and me are far, far from our first! The OP, however, is getting ready to ride the bull for the first time!
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Old 03-10-2015, 09:22 PM   #11
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Truth in that OC! Just gotta watch if it's a chalking EPDM membrane.
How do I find out what kind of roof I have? If I take a picture of it tomorrow will you be able to tell?
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Old 03-10-2015, 09:26 PM   #12
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Most likely identifiable by picture. A call to FR with your VIN# works too.
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Old 03-10-2015, 09:27 PM   #13
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Welcome! You will get the roof fixed up easily. Take yourself to Alpha Systems website - these are the membranes used to roof most of FR campers. Just check out the YouTube videos they have and you will see how the factory does a roof and the vent sealing. You will have a great appreciation then!

Regarding the slide seals, they vary. They are also always expensive. Do you have a torn wiper or a torn bulb or is the seal just old and breaking down?
I copied this picture from rv.net. The seal I am talking about is the one on the far right, the outer part of the slide. They are pretty much shot. I'll take a photo tomorrow. It's the seal that is hollow in the middle.
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Old 03-10-2015, 09:31 PM   #14
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You are in luck! That bulb seal is a simple replacement! The one to the left at the cabin wall is the trickier one. You can buy that seal much cheaper from McMaster - Carr too.
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Old 03-10-2015, 09:36 PM   #15
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Yay Hooray! And I just looked at images for an edpm rubber roof. I'm 99% sure that's what we have. So when I get that self leveling sealant, do I clean it with mineral spirits or Acetone?
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Old 03-10-2015, 09:38 PM   #16
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How do I find out what kind of roof I have? If I take a picture of it tomorrow will you be able to tell?
As far as using Eternabond around the vent, it doesn't make any difference what the roof is made of. Just make sure you clean the area for the tape with acetone.

The self leveling stuff will eventually crack like the original, which is why the Eternabond is better.
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Old 03-10-2015, 09:43 PM   #17
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Yay Hooray! And I just looked at images for an edpm rubber roof. I'm 99% sure that's what we have. So when I get that self leveling sealant, do I clean it with mineral spirits or Acetone?
If it's smooth - no texture, it is. Yes, you'd remove the old as best you can, clean with acetone and apply.

Eternabond works great too like OC said. Just do good prep and install on a warm day - 70s work real well - and roll it well. Here's an online example of it being installed http://mellomikeswolfcreekcamper.blo...abond.html?m=1

Edit: If you pay for shipping, I have a new roll of white Eternabond I have no use for and you are welcomed to. New TT has beige membrane.
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Old 03-13-2015, 09:27 PM   #18
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Well today turned out so pretty and the sun warmed things up so I crawled up that ladder and got to work. The putty or sealant that was up there was kinda mushy? Is it supposed to be like that when you press on it with your finger? I believe it was the right kind, I just thought it would be hard. I ended up taking off the top 1/2 of it and cleaned up around it to apply to the two areas that had leaked. I got the 4" x 50' roll of white. GeoTex1 do you have a paypal account? I have quite a few more places to clean up and retape. Which leads me to my next question, how do you go around round vents, like sewer vents? And then there is the antenna. How in the world do you go about that area? I'm thinking that needs the self leveling sealant.
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Old 03-13-2015, 10:17 PM   #19
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Well today turned out so pretty and the sun warmed things up so I crawled up that ladder and got to work. The putty or sealant that was up there was kinda mushy? Is it supposed to be like that when you press on it with your finger? I believe it was the right kind, I just thought it would be hard. I ended up taking off the top 1/2 of it and cleaned up around it to apply to the two areas that had leaked. I got the 4" x 50' roll of white. GeoTex1 do you have a paypal account? I have quite a few more places to clean up and retape. Which leads me to my next question, how do you go around round vents, like sewer vents? And then there is the antenna. How in the world do you go about that area? I'm thinking that needs the self leveling sealant.
Yeah, should be pliable when it still has life left. Did you notice any of it cracked, lifting, or missing?

Yep, I have PayPal. Private message me a zip code to get shipping and it's yours.

You can tape the sewer vents. Just need to trim a half-round profile to it. I prefer lap sealant for the radio antenna because of the style FR uses.
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Old 03-14-2015, 12:25 PM   #20
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Yeah, should be pliable when it still has life left. Did you notice any of it cracked, lifting, or missing?

Yep, I have PayPal. Private message me a zip code to get shipping and it's yours.

You can tape the sewer vents. Just need to trim a half-round profile to it. I prefer lap sealant for the radio antenna because of the style FR uses.
No I didn't. Other than the dirt making it dark it seemed fine. I do have some missing areas on the antenna and it's cracked. I'm guessing the po put the maxxair vents on when they bought it which protected it. I didn't really press down on that sealant. What about the back of the rv (on the roof still)? Should I use the tape or the lap sealant?
Today I have to help the husband. We are cleaning out the other garage and since he said we are cleaning out the other garage first, I'm going to take advantage of that and help.
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