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11-17-2014, 02:03 PM
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#1
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Junior Member
Join Date: Sep 2011
Location: Clinton Louisiana
Posts: 19
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Trailer Insulation
Has anyone insulated the bottom of there RV and if you have what type of insulation did you use, was it block foam or roll sheet and flexible or what have you. Also did you tape it off to prevent air or what did you do ?
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11-17-2014, 02:45 PM
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#2
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Senior Member
Join Date: Apr 2013
Location: East End, AR
Posts: 108
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Here is a link to a sticky that one of our members put together. Hope this helps.
http://www.keystonerv.org/forums/showthread.php?t=19807
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2019 GMC 3500 SRW CC 6.6
2013 Cougar X-Lite 29RBS
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11-17-2014, 05:10 PM
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#3
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Member
Join Date: Aug 2014
Location: west columbia, sc
Posts: 86
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subscribed
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11-17-2014, 08:08 PM
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#4
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Senior Member
Join Date: Oct 2013
Location: B.C
Posts: 1,399
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I used rigid foam and it's the best thing that I've ever done to kill the cold
My LP costs in the cold are 1/2 of what they were before I did this and the floors are really nice and warm
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2010 Keystone Cougar 25 RL.
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11-18-2014, 03:28 PM
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#5
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Senior Member
Join Date: Aug 2010
Location: North Texas
Posts: 1,000
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Though I did use some rigid foam, I did not really want to use it. RVs are enough of a fire hazard, and I didn't want to contribute to any possible flame spread under the flooring. Most all rigid insulation board is highly flammable. What I didn't mention in my original postings - I also installed a fire/smoke/heat detector in the utility basement that had a remote alarm.
Ron
__________________
2011 Alpine 3640RL (Beauty)
(Gone! Now replaced by Beauty3)
2016 Ford F-450 (The Beast)
Diesel 4x4, DRW, LB, CC
Comfort Ride Hitch
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11-18-2014, 06:01 PM
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#6
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Senior Member
Join Date: Oct 2013
Location: B.C
Posts: 1,399
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Quote:
Originally Posted by geo
Though I did use some rigid foam, I did not really want to use it. RVs are enough of a fire hazard, and I didn't want to contribute to any possible flame spread under the flooring. Most all rigid insulation board is highly flammable. What I didn't mention in my original postings - I also installed a fire/smoke/heat detector in the utility basement that had a remote alarm.
Ron
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I honestly can't see rigid foam being a fire hazard as I haven't seen too many squirrels under my trailer with lighters in their paws
The coroplast will go up faster then the rigid foam.
When I was getting my ticket to become a certified home inspector I was amazed at how fast spray insulation and other types of insulation went up in flames.
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2010 Keystone Cougar 25 RL.
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11-19-2014, 07:58 AM
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#7
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Senior Member
Join Date: Aug 2010
Location: North Texas
Posts: 1,000
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It really wasn't the squirrels with roaches I was concerned about. There are several other items within the utility basement and underbelly that are of concern. Such as:
1) The Iota Automatic Transfer Switch which was recalled in 2012. (Do you believe Keystone has recovered all of them?) The Iota was responsible for several fires and many near-fires.
2) Improperly placed space heaters in the basement area.
3) Furnaces that malfunction and/or are not properly maintained.
4) Dometic and Norcold gas/electric refrigerators that malfunction and/or are not properly maintained. I know I guy who recently lost his 2008 Mobile Suites from a refrigerator fire.
5) Shore power connections that are not properly torqued that oxidize and overheat.
6) Gas/electric hot water tanks that malfunction and/or are not properly maintained.
And those are just things that come to mind immediately.
I would argue that the foam insulation, as clearly marked, would probably be more flammable than the coroplast, but you are correct in that the harder plastic of the coroplast would be flammable. That's not even mentioning the the toxic gases emitted by combustion. However, the coroplast would hold the flame in the underbelly and probably direct it from the openings front and back along the length of the RV in a type of flammable blast furnace fashion as the foam burned. I saw the unfaced Fiberglass or rock wool as being a non-flammable insulation which also would reduce the amount of oxygen by volume in the underbelly. Besides, the Fiberglass would make a very uncomfortable nest for those smoking squirrels!
Ron
__________________
2011 Alpine 3640RL (Beauty)
(Gone! Now replaced by Beauty3)
2016 Ford F-450 (The Beast)
Diesel 4x4, DRW, LB, CC
Comfort Ride Hitch
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11-19-2014, 08:17 AM
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#8
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Senior Member
Join Date: Oct 2013
Location: B.C
Posts: 1,399
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Yes space heaters are the most common causes of fires from what I've read and seen in house fires as well. People need to understand that these things throw off constant heat and will catch things on fire that are close by.
Also another thing about the newer heaters they have filters on them and they must be cleaned. If they're clogged the heater will get extremely hot and that's a major fire hazard. The one that I just bought has a safety that shuts it off if the filter is starting to clog up.
Btw, great thread
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2010 Keystone Cougar 25 RL.
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