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Old 12-08-2008, 08:38 AM   #1
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We have a 36' Vectra, bedroom slide, living room slide. We are currently camped at Turtle Beach, Ca. Weather is very foggy, damp, and cold, (40s at night, 50s during day). We have water drops in the corners, top of the slides during day and night. Question is whether this could be caused by condensation or do we need to caulk or silicone the outside of our slides to prevent the water drops from the inside of the slides? The temp inside the coach is usually in the 70s. We do not have water collecting on our windshield or any of the windows in the coach. To prevent the water inside the wardrobe slide, we have been keeping the slide in. It seems that the wardrobe slide collects more water than the living room slide.
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Old 12-08-2008, 08:38 AM   #2
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We have a 36' Vectra, bedroom slide, living room slide. We are currently camped at Turtle Beach, Ca. Weather is very foggy, damp, and cold, (40s at night, 50s during day). We have water drops in the corners, top of the slides during day and night. Question is whether this could be caused by condensation or do we need to caulk or silicone the outside of our slides to prevent the water drops from the inside of the slides? The temp inside the coach is usually in the 70s. We do not have water collecting on our windshield or any of the windows in the coach. To prevent the water inside the wardrobe slide, we have been keeping the slide in. It seems that the wardrobe slide collects more water than the living room slide.
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Old 12-08-2008, 11:28 AM   #3
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The only condensation problem we have ever had occurred in cool/cold weather and involved the windshield. Maybe you have a leak
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Old 12-08-2008, 02:24 PM   #4
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During cold weather, condensation is a problem with all RVs and is not unique to Winnebagos. You need to take extra precautions to lower the humidity level in the RV. Always crack open a window near the stove and run a vent fan when cooking on the stove....yes you will pull ins some cold air, but you are exhausting very moist air.

Next, When showering or bathing, always crack open the roof vent in the bath room and then run the vent fan a minute or two when finished. It also helps to use a squeegee to wipe down the shower walls to get the moisture level down.

During the day and night, people and pets do exhale a large volume of moisture with every breath. So you may want to leave one roof vent cracked open about 1/2" or a bit less.

The moisture will condense first on the coldest surfaces, so it will normally be on window frames, windshields and any cold areas that are not adequately insulated. Typically a corner joint will not be well insulated due tot he joint having so much metal.

Good luck on controlling the moisture.

Ken
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Old 12-08-2008, 02:28 PM   #5
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Ken is spot on with his answer. You have a condensation problem, and need a de-humidifier or a vent that's open.

Condensation is VERY common in these small enclosures, and you need to get the moisture out.
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Old 12-08-2008, 02:37 PM   #6
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Head south its a lot less aggravating, face it these coaches are not designed for extended cold weather living. Palm Springs is a sure winner
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Old 12-08-2008, 03:48 PM   #7
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GG1, that is obviously the best solution.....

ken
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Old 12-08-2008, 04:54 PM   #8
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We had quite a bit of condensation in the bath area above the shower where the wall meet the ceiling during cold weather. Bought a 24 pint dehumidifier at Lowes for about $150 and run it as much as possible, even at night when it won't be in any one's way. Its not really very big and was probably the best $150 I've spent lately on the coach. And it makes a wonderful clothes and towel dryer when you hang something in the shower you don't want cooked in a clothes dryer. You'd be amazed at how much liquid is removed from the interior of a MH, we certainly was. And it pretty much eliminated our condensation problem.
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Old 12-08-2008, 06:21 PM   #9
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That sure is weird, usually condensation is on all the windows, not just the slides. If you are already cracking a vent maybe leaving the closet door open would stop it on the inside of that slide. Good Luck
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Old 12-09-2008, 04:28 AM   #10
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Any surface that is below the dew point of the interior air will have moisture condense on it. Typical contruction of RVs, will have a corner design that has very little true insulation. It will have a metal to metal joint and the conduction path through the wall is all aluminum structure. The aluminum will transmitt the cold through the metal as there is no thermal break.

In this regard, a wood frame RV provides better insulation value as wood does not transfer heat as readily as does aluminum.

The moisture will usually appear on the windows and frame first as thes will be colder. With the right conditions, you can get some condnesation in the corners, especially if there is an air leak which will let in more cold at that point.

The more moisture you have in the interior air, the higher the dew point will be. By reducing the moisture content of the air, you lower the dew point, so the windows will have to be colder to get the moisture to condense.

Ken
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Old 12-09-2008, 05:32 PM   #11
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When it's really cold we get some condensation on the windshield and often in the kids' bunk area. Their bunks are small areas and they like to close up the curtains pretty tight. After they get to sleep I open their curtains and help to vent them a little.
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Old 12-10-2008, 02:30 PM   #12
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Posted by wagonmaster2...
Bought a 24 pint dehumidifier at Lowes for about $150... </div></BLOCKQUOTE>
Would you comment further on brand name, loud or quiet operation, size, etc.?
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Old 12-10-2008, 04:02 PM   #13
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All of the dehumidifiers have a fan and a compressor, so they do have some noise. We do not find it objectionable as it is a nice white noise.

Plug on in at the store and listen to it run. Remember that it will be louder in the confines of an RV.

Ken
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Old 12-11-2008, 06:03 AM   #14
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by NoMoreAZ:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Posted by wagonmaster2...
Bought a 24 pint dehumidifier at Lowes for about $150... </div></BLOCKQUOTE>
Would you comment further on brand name, loud or quiet operation, size, etc.? </div></BLOCKQUOTE>

I got a Fridgedaire at Lowes $154. Turned it on yesterday in the rig, started at 75% humidity dropped down to 45 after a few hours and got quite a bit of water out of the tank. You can search on Lowes.com for the specs. Good investment. I wouldn't say its exactly quiet, depends what you're used to. In the same area, I have to crank up the TV sound.
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