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Old 02-01-2018, 05:53 PM   #1
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Insulation!

Since we all know just how difficult these beasts are to insulate, I've discovered a place where we can get Insulation For Less. They have a product that proclaims an R-16 value, which gives us better insulation than R-6 double-faced rigid foam insulation.
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Old 02-01-2018, 07:01 PM   #2
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Originally Posted by CaptSquid View Post
Since we all know just how difficult these beasts are to insulate, I've discovered a place where we can get Insulation For Less. They have a product that proclaims an R-16 value, which gives us better insulation than R-6 double-faced rigid foam insulation.
It's Reflectix by another name. It has an actual R-Value of 1.

Applying my critical thinking head, just for a moment, I wonder why, if this lives up to its claims, everyone isn't using it.

It's about a 1/4" thick and claiming double 1" of sprayfoam.

I do wish they could be made to be just a bit more honest, and that's no reflection(sic) on anyone who might wonder if this stuff works.

It does work, kinda, sorta, maybe, on insulation schemes that include real insulation, and large air-gaps.
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Old 02-01-2018, 07:09 PM   #3
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If you create the "air gap" that is required to get even close to that R value with that material, I think you would still be ahead by going with foam panels or spray foam with same said gap behind it. That stuff looks like doubled up bubble wrap with a foil face......
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Old 02-02-2018, 12:48 PM   #4
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"FACT #5: Prodex Total insulation 5mm has an R-value of 16.

The R-value was measured under the real-world parameters of:

24-inch on center 2" x 6" wood assembly. Roof application. Test Method ASTM 1116. Airspace of 2.64 inch on each side of product. Heat flow direction down."


If I frame with 2x6 and put 5 1/2" of foam in it I would have R30+......
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Old 02-03-2018, 04:52 PM   #5
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I already have 1" double-faced rigid foam on the bulkheads. I'm gonna use this on the roof. I'm also thinking of putting in bed curtains. Of course, this is going to happen during warm months because its too late right now.
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