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05-09-2012, 07:41 PM
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#1
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Junior Member
Join Date: Apr 2012
Posts: 10
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Camper Insulation? Air Conditioner Insulation?
I recently purchased a 1984 Resort(Fleetwood) and I had to redo the back end of the camper, I removed regular fiberglass insulation from it, and I need to know what type of insulation I should use? I was told to use R11 which is over 3 inches thick by a hardware store. Is this a good choice or do you have any suggestions?
Also the camper has a Coleman TSR Air Conditioner but that is all I know, but there is exposed insulation right by the vents were the air blows. I am not sure if this is supposed to be there are not. And I don't know if the insulation is orginal or not. Any suggestions?
Attached are pictures so you can get a better view to help answer my questions.
Thanks.
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05-09-2012, 07:46 PM
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#2
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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I'd use the foam board, as thick as will fit. Might be more expensive than fiberglass but it won't absorb water if it leaks again.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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05-09-2012, 08:16 PM
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#3
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Senior Member
iRV2 No Limits Club
Join Date: May 2011
Location: Tempe, AZ
Posts: 1,833
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Quote:
Originally Posted by Mr_D
I'd use the foam board, as thick as will fit. Might be more expensive than fiberglass but it won't absorb water if it leaks again.
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Not to mention it will insulate better.
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05-09-2012, 08:31 PM
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#4
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Moderator Emeritus
Ford Super Duty Owner
Join Date: Aug 2000
Location: Bryan, TX when not traveling.
Posts: 22,975
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Mashing fiberglass insulation to a lesser thickness will actually decrease the R value.
Ken
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Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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05-11-2012, 05:54 PM
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#5
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Senior Member
Join Date: Dec 2010
Location: Colorado High Country
Posts: 360
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Rigid board is a better insulator than batts, but you may have gaps with all that cutting. I'd try an expanding foam spray to fill them. If you're not familiar with it, it comes in minimal expanding form, which might not get away from you.
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05-13-2012, 07:17 AM
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#6
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Junior Member
Join Date: Apr 2012
Posts: 10
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Thanks for all your suggestions! I think I'm going to try foam board. Any suggestions on the air conditioner?
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05-14-2012, 03:11 PM
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#7
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Senior Member
Monaco Owners Club
Join Date: Dec 2011
Location: Knoxville, TN
Posts: 726
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Quote:
Originally Posted by joshr
Thanks for all your suggestions! I think I'm going to try foam board. Any suggestions on the air conditioner?
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Agree with using the foamboard. When you go to get the canned foam ask for "NON-EXPANDING FOAM" You can use that to tack your insulation in and to fill in the gaps. Should make the trailer nice and snug. It may take several cans.
Sorry, I can't help with the AC. Out of my pay grade.
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John Price
2022 Cougar 316RLS
2024 GMC Sierra 2500 Denali
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05-27-2012, 06:45 PM
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#8
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Junior Member
Fleetwood Owners Club
Join Date: May 2012
Location: Pacific NW
Posts: 9
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I used foam board to re-insulate our 85 Wilderness after repairing water damage, stuffed fibreglass insulation in the small gaps in the foamboard.
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05-28-2012, 09:36 AM
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#9
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Junior Member
Join Date: Jul 2011
Posts: 26
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Quote:
Originally Posted by LVJJJ
I used foam board to re-insulate our 85 Wilderness after repairing water damage, stuffed fibreglass insulation in the small gaps in the foamboard.
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Because of the constant movement, this is a great idea. Foam, sprayed in gaps, will separate and create gaps.
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05-28-2012, 11:25 PM
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#10
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 32,232
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I wouldn't want exposed fiberglass insulation at/near the air conditioner. Is there a way to use aluminum tape to seal the exposed areas? Aluminum tape is sold at virtually all home supply/hardware stores for sealing cracks, seams, and holes. The cold-air plenum should be sealed to prevent losing cold air into the ceiling, and to prevent cold air from blowing into the return air plenum; ie: you don't want cross-contamination of cold air and return air.
For the rear wall area, consider 2" thick insulation, the 3" would have to be compressed like Ken said.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;GS Life member,FMCA " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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05-29-2012, 06:27 PM
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#11
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Senior Member
Join Date: Jan 2012
Location: Lancaster TX
Posts: 246
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We do insulation on commercial bld. On the raw Fiberglas. You will need to buy a spray can of adhesive. To spray on the yellow f/g then use the tape .
The foam board will be very good for the back .
You can get that at lowes or h- d in pink or blue
If you irregular. Shapes then the foam can will do a good job on a filler , if not stuff with f/g then alium tape
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