Building Science vs. B.S.: Radiant barriers – the perfect insulation?

An attic radiant barrier application

Before I dive into another couple thousand words on attic insulation, I thought we’d take a break and talk about an energy saving miracle product!

What if there was an insulation product that was light, cheap, easy to install, and gave an incredible R-value?

If you believe the advertising, then radiant-barrier bubble wrap insulation is this ‘miracle’ insulation. In that advert, they claim an R-value of 15.67 for a quarter inch thick piece of aluminum coated bubble wrap! Wow, that’s over R-60 per inch! All our insulation problems are solved!

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