AtticFoil® Compared To eShield & Bubble Foil Products

http://www.atticfoil.com/knowledge-base/227-how-does-atticfoil-compare-to-esh...

How Does AtticFoil® compare to products like Solarguard, eShield insulation, bubble foil products, and other foil/foam/fiberglass type products.

Some products CLAIM to have an r-value of over 11 and are ONLY about 1/4" thick. What is never mentioned is that in order to get the R-11 value, the product MUST be installed INSIDE a 2 x4 wood frame and have 3/4" plywood on BOTH sides. It is the ENTIRE assembly or "system" that achieves an R-11 in a heat flow down test. This requires over 3 inches of "dead" air.

Radiant barrier products installed in a ventilated attic are NEVER installed in this method, therefore can not achieve an R-11 value as advertised.

In this video Ed Fritz - the owner of http://www.AtticFoil.com/ reads the FINE PRINT and clearly explains how other products can claim to achieve an r-value of 11 and only be 1/4" thick.

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Education

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[AtticFoil]

Thanks for the kind words. It's amazing how so many products misrepresent the R-value.

[stevelovesgod]

My favorite part was when he said COMMEN SENSE SHOULD TELL YOU, No product 1/4in thick will give you an R-value of 11.... Except maybe Aerogel, but we know we can't buy that.

[pcope]

Informative, helpful and a great presentation.



[trippledigitss]

Wow - excellent video! I am a certified building inspector for a local city and I see people using these types of products all the time and telling me they meet the required R Value. I found this video linked in the comment section of ProDex insulation, a product I recently dis-approved as being adequate for an R15.67 per the manufacturer's info. I read the ES report and tried to explain it to the installer but they didnt get it. Great explanation showing the system that was used in the test.