30 Jul '12, 11am

Building Science: Oooh, Shiny Stuff! — Radiant Barrier Fundamentals

Building Science: Oooh, Shiny Stuff! — Radiant Barrier Fundamentals

Today just feels like a good day to talk about shiny stuff. Radiant barriers are a green building product with a lot of sex appeal, if that's possible for construction products. People get really crazy about attics, though. (Don't get me started about powered attic ventilators!) Maybe brains have a tendency to overheat when discussing them. The general category of radiant barriers is an area of great hype and misunderstanding, so I'll tell you what I know, explain the basic physics, and give you a couple of links to some great resources for more information. OK, first of all, a radiant barrier is something that can keep your attic cooler. Unlike powered attic ventilators , they actually go after the source rather than treating a symptom — but first, let's look at the physics. Attics get hot because the sun is beating down on them all day. The heat from the sun comes in the...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/building-s...

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