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Old 05-28-2013, 11:00 PM   #1
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Polar Pack Insulation

Need help!

My wife and I are seriously considering a 2014 Entegra Anthem after reading so many positives posts from happy owners.

We have been trying to figure out exactly what the insulation is in the side walls of the coach. The specs mention a Polar Pack Insulation but we can't find any definition of exactly what this is.

We have seen posts about their using fiberglass batt insulation. We are concerned about this because in the case of a leak, this can be bad news -- we know because we owned an Airstream and the wet fiberglass supported mold growth.

Does anybody know exactly how Entegra is insulating current production coaches?

Thanks!
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Old 05-28-2013, 11:04 PM   #2
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Newmar used to offer that type of package on their Dutch Star line (about $100 extra in 2002), now it's standard. It consisted of extra roof fiberglass batting. Makes a big difference too in both noise and heat/cold.

Since Entegra and Newmar seem to be "borrowing" ideas from each other I'm surprised to see that that package isn't standard.

I looked at the Entegra website and I don't see that package listed so I can't tell what it consists of.
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Old 05-29-2013, 02:13 AM   #3
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It used to be an option, but is now standard. If you look at RVcruzer.com - Entegra Coach Construction Overview Cruzer describes it as

Reflective waffle barrier Polar Insulation is applied to the interior. Then the cavities, are filled with insulation. While the reflective barrier does play a major role in reducing radiant energy from passing through the wall it is not really considered when determining a wall's R value so it is a benefit that provides significant additional insulation beyond the stated R-16 wall value even though it's not included in the standard R rating method system.
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Old 05-29-2013, 07:25 AM   #4
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Reflective waffle barrier Polar Insulation is applied to the interior. Then the cavities, are filled with insulation.
Thanks --

Have any Entegra owners had issues with water leaks into fiberglass batt cavities?
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Old 05-29-2013, 08:41 AM   #5
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We were just at the Entegra Factory and I took these pictures. I have been to a number of Motorhome Factorys and have never seen more insulation used than in a Entegra Coach.
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Old 05-29-2013, 08:52 AM   #6
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Quote:
Originally Posted by Mr_Mechanica View Post
Need help!

My wife and I are seriously considering a 2014 Entegra Anthem after reading so many positives posts from happy owners.

We have been trying to figure out exactly what the insulation is in the side walls of the coach. The specs mention a Polar Pack Insulation but we can't find any definition of exactly what this is.

We have seen posts about their using fiberglass batt insulation. We are concerned about this because in the case of a leak, this can be bad news -- we know because we owned an Airstream and the wet fiberglass supported mold growth.

Does anybody know exactly how Entegra is insulating current production coaches?

Thanks!
I just came back from the factory, the below pictures show what they are using. Maybe Cruzer can jump in but I don't hear of any other manufacturer using both types of insulation like Entegra. Makes for a quiet ride and comfort in the sun. If you buy Entegra you will be making a good choice IMHO.
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Old 05-29-2013, 06:00 PM   #7
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Quote:
Originally Posted by Mr_Mechanica View Post
Need help!

My wife and I are seriously considering a 2014 Entegra Anthem after reading so many positives posts from happy owners.

We have been trying to figure out exactly what the insulation is in the side walls of the coach. The specs mention a Polar Pack Insulation but we can't find any definition of exactly what this is.

We have seen posts about their using fiberglass batt insulation. We are concerned about this because in the case of a leak, this can be bad news -- we know because we owned an Airstream and the wet fiberglass supported mold growth.

Does anybody know exactly how Entegra is insulating current production coaches?

Thanks!
We also did the factory tour last month. We watched employees handling the insulation with their bare hands and commented on it. We were told it was NOT fiberglass.
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Old 05-30-2013, 12:00 AM   #8
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We also did the factory tour last month. We watched employees handling the insulation with their bare hands and commented on it. We were told it was NOT fiberglass.
Many thanks to everyone's in out and the awesome photos.

I am wondering if the fluffy white stuff is not fiberglass then perhaps it is a polyester or something like that.
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Old 05-30-2013, 06:51 AM   #9
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Originally Posted by Mr_Mechanica View Post
Many thanks to everyone's in out and the awesome photos.

I am wondering if the fluffy white stuff is not fiberglass then perhaps it is a polyester or something like that.
Don't know the material, but R values area the best in the industry. Having spent significant amount of time full timing in temps in the 20s and 30s, snug as a bug. AC handles warm conditions well. Summer, yet to be seen.
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Old 05-30-2013, 07:47 AM   #10
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Just was told by a salesperson that the insulation is not fiberglass but a foam batting.

I searched for foam batting and found a product called EnGuard which is made from recycle water bottles and polyester that resembles the photos above.
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Old 05-30-2013, 12:12 PM   #11
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We also did the factory tour last month. We watched employees handling the insulation with their bare hands and commented on it. We were told it was NOT fiberglass.
I stand corrected on the above statement. My husband said I misunderstood what they were referring to. So...it may in fact be fiberglass insulation.
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Old 05-30-2013, 10:05 PM   #12
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I stand corrected on the above statement. My husband said I misunderstood what they were referring to. So...it may in fact be fiberglass insulation.
After examining photos carefully of the batting, we found a JM mark indicating that they are probably using John Manville white fiberglass insulation.

JM claims their new insulation is formaldehyde free but fiberglass R values degrade over time due to compression.
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