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Old 02-27-2010, 08:13 PM   #1
usandthreedogs
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Insulation values in slides

Hey All, wife and I are thinking of trading up to a DRV soon. Does anyone know what the actual R values of the slides are? Floors, walls, roof etc.
Have any of you seen the actual construction of the slide rooms? I ask this because of previous experience with current RV. was told the slide were well insulated, only to discover while doing a window reseal that there was almost zero insulation! and NONE in the floor. so before we jump we'd like to know, Whats In There?

Barney
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Old 02-27-2010, 11:21 PM   #2
cptxguys
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The slide walls are constructed the same as the side walls. I've been to the factory and watched them being built.

They now use a higher density fiberglass insulation in units which provide higher R values than in previous years. Sill using the 3 1/4" walls which now provide R16. The roof is R25 and the floor is R29. They are the highest in the industry.
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Old 02-28-2010, 07:01 AM   #3
usandthreedogs
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so are you saying the the slide walls are 3.5 thick? What about the slide floors and roof?
thanks for your reply.

Barney
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Old 02-28-2010, 09:23 AM   #4
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I sit next to the door slide window in my MS. Straight in line with tv. lol. We hang a blanket over the window. My arm will get cold as ice from the draft if we don't. I do not have dual pane though. Mine is an 06 though. Also window in bed slide, window on my side, is same. We have to stuff pillow over it. Care less what DRV claims r rating is. Cold as ice air. I'd hate to be in a cold climate. I'm in southern Texas now.
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Old 02-28-2010, 10:13 AM   #5
The View 5046
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Our Suites is a 2010 Mobile Suites 38 RSSB 4 with dual pane windows with 3 1/4" walls. The R-Factors are Side walls R-16 with two moisture barriers, Floor R-29, and the Roof is R-25. Both our 2009 and 2010 Mobile Suites does hold heat and air better than any 5th wheel we have owned. That being said there is no 5th wheel that will work in extreme prolonged cold weather (IMO). The design of being off the ground with air under the 5er. And the slide seals is just a narrow piece of rubber?? However as someone stated thats why they have wheels, move to warmer weather in the cold month. But with this Global warming this winter we haven't really been in warm weather but we didn't have SNOW, its been the coldest winter in South Ala.(Gulf Shores) in 25 years. We are going to Arizona next winter!!! GBY....
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Old 02-28-2010, 11:08 AM   #6
Motor31
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The R values were set based on a wall with no holes poked in it for doors or windows. Once you break the insulation for those items the entire R value drops. Fiberglass always drops as well even in a fixed location Park model much less one that is dragged down bumpy roads.

We have dual pane windows. I still feel cold seeping through the one next to my chair and I recently pulled and resealed that one. That 1/4" air gap is not much insulation at all. It is slightly more than a single pane but not by much. Heat transfers through as well from solar heating and radiating into the unit. We had to foil the big back window when the rig had that end pointed towards the west while in AZ. in spring and summer. The curtains stay down when we do not want the sun in to help heat the rig or they are not in shade like from the awning.

If the walls are about 1/3 windows I'd consider the R value to be down by at least the same amount over all.

Another thing to consider is the slide out floors are not insulated other than by the plywood they are made with from what I have seen in my rig.
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Old 02-28-2010, 01:38 PM   #7
usandthreedogs
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Mike, I understand the effect of windows and R values.
If I understand you correctly, you are saying there is NO INSULATION in the slide floors! That sucks. might as well have a 12ft hole in the side of the rig.

Always figured the RV designers that put big windows in the walls and slide ends never lived in one, just like most RV salesmen.

I was hoping for better info. may have to look at other brands.

Barney
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Old 02-28-2010, 02:09 PM   #8
GlennWest
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Might want to check out Excel units. It's a hard choice. I like MS floor plans better. Came very close to buying an Excel. The air coming in at the windows on the slides and the gap under the kitchen slide is the only issues I have with my MS. Read a lot on Excel forum and didn't find these issues. Not saying they don't though.
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Old 02-28-2010, 03:38 PM   #9
usandthreedogs
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Glenn, how do you like the 32TK3? That is the model we are looking at.
I really like the frame and axles on the MS and the 3" walls.
I also work on the road, I do gas line inspections. we are never sure where they are going to send us so good insulation is very important. We also like to stay in National and State parks whenever possible that's why we want the shorter unit.
Sad to hear they don't insulate the slides very well.

Barney
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Old 02-28-2010, 06:22 PM   #10
keithandpenne
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A lot of the air infiltration with the thermopane windows is through the condensation weep holes. Remove the screen and pull one of the plastic covers, it is an open hole to the outside.

I have been covering them with foam insulation and it has helped reduce the wind whisle that we had before I insulated.
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