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Old 03-21-2018, 08:50 AM   #1
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Thermal window / insulation package

Do I understand correctly that the thermal windows are awning style and the standard windows are still the sliders? And what is the extra insulation that comes with the thermal window package upgrade - is it a thicker layer of insulation on the walls or something else?
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Old 03-21-2018, 10:20 PM   #2
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For the windows question, you might call Escape and ask. I have the thermal windows and really like them. Being an awning type, I can leave them open without worrying about rain coming in.

The thermal window package upgrade adds 1/2" of foam insulation for the interior of the trailer - standard is just the thin foam that comes attached to the vinyl. You really want the thermal window package upgrade - without it, the trailer is pretty much just fiberglass between you and the elements.
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Old 03-24-2018, 10:50 PM   #3
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Below is a pic of the insulation that comes with the thermal window package upgrade. The bottom layer is the fiberglass shell. Next layer (white foam) is the additional insulation that is installed with the thermal window package. The next layer (black foam) is the standard insulation that is installed on all trailers. The last layer is the aircraft type vinyl that covers the walls of the trailer.
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Old 03-24-2018, 11:06 PM   #4
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Hi all. I know r-value per inch can vary from one insulation type to another. I’m seeing about an inch of closed cell insulation in that picture. How does that fare against the batting used in a typical stick-&-tin type of trailer? I’d be especially interested in hearing ‘real world’ accounts from those of you who have owned both.
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Old 03-24-2018, 11:20 PM   #5
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Originally Posted by Anachr0n View Post
I’m seeing about an inch of closed cell insulation in that picture. How does that fare against the batting used in a typical stick-&-tin type of trailer?
Generally the stickies are insulated better than molded fiberglass. The exception would be the double hulled types like the Oliver. But, the thinner shell and no superstructure means of course lower weight and ease of towing. As in most things, there are tradeoffs.

Ours was insulated using reflectix, before they changed over to the foam on the 2nd Generation Escapes. I would say the reflectix is OK, but the foam is better.
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Old 03-24-2018, 11:58 PM   #6
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Thanks. You’re right, everything is a trade-off. I’m not planning on winter camping. Just shoulder season stuff. Half of my reason to insulating is for the noise reduction anyway.
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Old 03-25-2018, 01:09 AM   #7
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From the Escape web page.
“The headliner is a smooth, durable, soft-touch vinyl laminated onto 3/8” foam creating an R5 insulation value. This headliner is fire-rated and easily cleaned.”
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Old 03-25-2018, 06:14 AM   #8
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From the Escape web page.
“The headliner is a smooth, durable, soft-touch vinyl laminated onto 3/8” foam creating an R5 insulation value. This headliner is fire-rated and easily cleaned.”
I could believe that. What I can’t believe is Scamp advertising “Super Insulation R15” with only a single layer of Reflectix. False advertising.
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Old 03-25-2018, 11:43 AM   #9
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I could believe that. What I can’t believe is Scamp advertising “Super Insulation R15” with only a single layer of Reflectix. False advertising.
Yes, a silly claim. R15 is perhaps achievable with reflectix, but only in specific installations with an airspace and proper air flow. That just doesn't happen on a fiberglass trailer where the reflectix is right next to the shell.

I figure we may get R2 with ours. Better than nothing.
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Old 03-25-2018, 12:04 PM   #10
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Originally Posted by Eggscape View Post
From the Escape web page.
“The headliner is a smooth, durable, soft-touch vinyl laminated onto 3/8” foam creating an R5 insulation value. This headliner is fire-rated and easily cleaned.”
I for one have difficulty believing that the foam gets R5 out of 3/8" thickness. R5 with the extra 1/2" seems feasible, but not with only 3/8" of foam. To get R5 out of 3/8", the flexible foam used would have to be something like three times the effectiveness of the foams used in house construction, which I find difficult to believe.

OTOH, perhaps the total package of standard foam, fiberglass shell, adhesive, and 3/8" foam achieves R5, but I am still less than convinced.

As to the effectiveness of reflectrix, and similar shiny "insulators", their effectiveness is dependent on reflection of radiant heat, and does, usually, bugger all to reduce heat loss through conduction. If "proper" installation of reflectrix includes an air space behind it, the insulation value of the entire installation is dependent on that airspace interfering with conductive heat loss. To attribute the insulating contribution of that air space to the reflectrix itself is extremely dishonest - conductive heat loss is being dealt with by the air space, not the reflectrix.

In my opinion, these reflective insulators are more marketing than real insulative value in real world installations.

Having spouted my little diatribe, I will be ordering the insulation package.
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