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Old 10-08-2014, 04:05 PM   #1
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Leak from slide

This morning we had quite a downpour. It really rained hard. I just went our to the TT and found the dinette table covered with water. The cushions were wet. I took them all out and the rug in the storage areas under the dinette seats was also wet. DH went up on the roof to inspect the slide. We suspected a problem with the seal on the slide but to our surprise, it all looked good. We can't find any problems. Is it possible that there was just so much rainwater sitting on the slide that it somehow just leaked in? You can't fix a problem if you don't know what's wrong. Has this happened to anyone else.

One more question about repairing the damage. I took the cushions back home, took the seatcovers off and I'm air drying everything. I used a hairdryer on the carpet to begin drying it out, set the heat in the TT high and I'm putting a fan in blow air onto the carpet. Any other ideas? Should I expect a mold problem and if so, is there anything I can do to prevent the problem before it occurs? I welcome any ideas. Thanks.

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Old 10-08-2014, 08:25 PM   #2
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Sounds like the slide was extended? The slide topper could have collected water and if you were on a slight slope dripped onto the slide roof....and in. Was there a lot of wind that could have blown the rain sideways onto the slide?

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Old 10-08-2014, 09:02 PM   #3
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Thanks for your reply Scooter. I'm not sure exactly what a slide topper is. If it's an awning over the slide, we don't have one. It was quite a storm and I expect we had some fairly strong winds. The slide was extended at the time. I think the trailer is level but if you're right, it probably wouldn't have to be off too much to cause a problem. We'll look at the level tomorrow. My guess is that so much rain came down so quickly that it pooled on top. I just wasn't aware that it would leak if that happened. What you say makes a lot of sense. Thanks again.
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Old 10-09-2014, 10:36 AM   #4
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Leak from slide

These will deinitely help. Dometic is one company that makes them. Click image for larger version

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Old 10-09-2014, 11:36 AM   #5
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There should be a seal on top of the slide. Sometimes dirt or tree debris gets under that seal and can cause the leaks. Make sure it's clean and in good condition.
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Old 10-09-2014, 02:46 PM   #6
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One other place water can blow in from is around the window seals in the slide. I thought we had the same problem and called out an RV tech. He pulled in checked around the window seal and it had come from the factory without a good sealant from the factory. The answer was silicone the window. He told us this is quite common and to use the silicone because it lasts much longer than the rubber sealant for the roof. He charged only $25 for his 50 mile round trip.
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Old 10-09-2014, 05:32 PM   #7
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I am thinking if there was water on the table the leak has to be overhead. Even if the slide seal failed the water would run down the sides. Was the inside of the light fixture wet? May want to let a water hose rain down on it to simulate rain to see if you can spot the leak.

First though-,the wet areas, do whatever you can to get the moisture out fast (shop vac, carpet cleaner suction mode, dehumidifyer, damp rid, air conditioner, even dry rags) then get as much fan blowing on the wet areas as you can. Think mildew, smell, rotten wood, expanded/deformed plywood, etc prevention
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Old 10-09-2014, 06:40 PM   #8
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Today's update. We checked the level and the camper was off enough that the rain might have pooled on the slide. It's been in the same place for 2 years and must have settled in. We releveled it with it sitting almost perfect but just the slightest tip in the other direction so water will run off.

Tomorrow we are cleaning and conditioning the roof so we'll also check to make sure that we don't have any dirt, leaves, etc under the seal. I like the idea of hosing it down and looking for leaks. We'll be winterizing it in a week or two and I want to make sure everything is OK before we do that. We are planning on taking it to Florida for 2 months this winter and I don't want any surprises.

The rug is mostly dry, just a tiny bit damp in one corner but the fan is still blowing on it and the heat is running in the camper. We'll recheck tomorrow morning. Mold and mildew is one thing that scares me. I'm hoping that we have reacted quickly enough that we won't have a problem. Thanks everyone for the good ideas. I'll let you know how we make out when we hose it down.
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Old 10-12-2014, 07:01 PM   #9
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There are two types of slides. Those that leak when new and those that leak later.A slide topper is a must for your problem. The big down side to slide toppers is that they flap in the wind down Arizona way and that can drive you nuts at night.
I have seen quite a few owners up on ladders during a rain storm trying to stop the leak. The seals are definitely not up to the task. For those with slides on both sides you need toppers because you can't adjust level for both sides to prevent leaks.
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Old 10-14-2014, 09:36 PM   #10
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The rain water could have entered from around the inside slide trim. Look at inside trim along the top of your slide when it is retracted. Look behind the upper trim piece where it meets the outside roof on the slide. Install externabond tape along the entire 90 degree roof / trim line.

Many Thor campers have this problem.
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Old 02-02-2015, 08:09 PM   #11
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This is the first TT I have owned with a slide. It is 2008 wildwood 26tbss. I noticed when I had the slide out I looked inside for leaks. The water was running down the inside of the two rubber seals but not actually getting on the carpet. I am not sure if you should see this from the inside or not.

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leak, slide

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