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10-09-2020, 09:28 PM
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#1
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Junior Member
Join Date: Oct 2020
Location: New York
Posts: 18
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What is the insulation number for roof, floor and side walls?
What is the insulation number for roof, floor and side walls for keystone? They are not mentioned in keystone floorplan specification. Grand design lists them clearly for each floorplan, like roof/floor: 30/40, side walls: 9. Do not know why side walls has only 9 insulation number. Is keystone insulation good?
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10-10-2020, 03:26 AM
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#2
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,477
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Insulation has higher R values the thicker it is. When you use sheets of bonded styrofoam that is less than an inch thick, the R9 value may be overstated. Some of the areas in my old camper have spun fiberglass such as the slide and ceiling. Doubt this has a whole lot of insulating value. I think the companies that put ludicrous R values on the sales brochures and websites are just marketing. If you have ever hung insulation on walls or in a crawl space/attic you will get an idea how thick insulation needs to be to achieve a specific R value. Keystone makes similar claims on its marketing material. Google "keystone cougar insulation values" and you will be able to get to .pdf files with claimed values. Do the same for Laredo or any line you are interested in. I think most all of these values are exaggerated.
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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10-10-2020, 03:38 AM
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#3
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,763
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George hit the nail on the head. I'd only add that the walls R value get reduced by the non insulating values of the windows and doors. When comparing R values in campers there's very little difference in one brand to another.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-10-2020, 06:11 AM
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#4
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,701
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I've not taken the time to find all of them (insulation packages will vary by model generally) but I've attached a link that will give most of them for a Montana. In my research earlier this year between GD and Keystone there was virtually no difference between the 2 (I consider a difference of 1 or 2 insignificant). Remember that GD started with 3 ex Keystone execs and are almost clones.
https://www.keystonerv.com/upper-nav...-in-a-montana/
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Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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10-10-2020, 06:29 AM
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#5
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Gone Traveling
Join Date: Jun 2018
Location: Frostbite Falls
Posts: 325
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Nearly zero or practically nothing sounds close.
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10-10-2020, 07:28 AM
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#6
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,357
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R values in walls can be affected by number of windows and size. Also there are dual pane windows in some lines.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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10-10-2020, 07:41 AM
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#7
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Member
Join Date: Feb 2014
Location: Wisconsin
Posts: 67
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I camp every year in Minnesota during November deer hunting. I installed a dedicated power plug for an electric heater so I can run two of them. The heat loss is at the windows. We have to cover a couple windows in key locations (over beds) in order to keep the trailer warm. We have had temps near zero many times and we can keep the trailer warm. Of course it is winterized before I go, so running water and showers are outdoors. Bathrooms too.
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2020 Ford F250 Crewcab 4x4 6.2L
2017 Passport Elite 31RE
DW & Me
<+><
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10-10-2020, 07:51 AM
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#8
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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Don't fall for any brands sales gimmicks such as Polar, Artic, 4 Season, Extreme packages, most ALL rv are built exactly alike, you'll be very comfortable 2 seasons a year & will suffer in extreme heat & cold regardless of what R value they may advertise.
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Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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10-10-2020, 07:55 AM
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#9
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Senior Member
Join Date: Aug 2020
Location: Willamette Valley Oregon
Posts: 330
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IDK about TT's, but some RV cold weather packages include basement heating and double paned windows.
__________________
2020 Keystone 291RLS
2014 Ram 1500 EcoDiesel 4x4 Crew 3.92
EAZ-Lift Recurve R3 #1200
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10-10-2020, 11:03 AM
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#10
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Quote:
Originally Posted by rvwonderful
What is the insulation number for roof, floor and side walls for keystone? They are not mentioned in keystone floorplan specification. Grand design lists them clearly for each floorplan, like roof/floor: 30/40, side walls: 9. Do not know why side walls has only 9 insulation number. Is keystone insulation good?
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Walls always have a lower insulation number than roofs, even in houses. Heat goes up, not so much sideways.
You may find the photos in this post interesting. How much of the insulation was relocated by the mouse, and how much was just never there to start with? I have no way of saying. But if you have your Keystone rig already (or have a really tolerant salesman), you can remove this cowl yourself with only four screws and see what you think of the insulation revealed.
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2019 Cougar 26RBSWE
2019 Ford F-250
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10-10-2020, 12:19 PM
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#11
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,477
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Quote:
Originally Posted by LHaven
Walls always have a lower insulation number than roofs, even in houses. Heat goes up, not so much sideways.
You may find the photos in this post interesting. How much of the insulation was relocated by the mouse, and how much was just never there to start with? I have no way of saying. But if you have your Keystone rig already (or have a really tolerant salesman), you can remove this cowl yourself with only four screws and see what you think of the insulation revealed.
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I put an electrical receptacle on the rear of my camper to plug my microwave into a 110V outlet on a pedestal. There was almost no insulation in the cabinet walls along the rear (kitchen) in my camper. I relocated the electrical outlet into the sidewall of my slide when I removed the booth and there was a little wispy cotton candy in the sidewall. I would put the insulating value at next to none from the insulation in sidewalls or slide.
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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