Vermiculite Attic Insulation, or What's in Your Attic?

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Vermiculite Attic Insulation, or What's in Your Attic?

Oh, the irony. Zonolite Attic Insulation (ZAI), was once marketed as a perfectly safe, inexpensive, do-it-yourself attic insulation for home improvement projects. Today, the presence of ZAI represents an expensive professional abatement job for a ...

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Roof & Attic
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Sealed Attics?

Author: Brian Coble
January 08, 2010

In some homes it's better to bring the attic into the conditioned space - even if the attic will never be used as a living space. [continue reading]

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Roof Topography & Ice Damming

Author:
January 07, 2010

It's the roof darn it! What you'll find under a lot of ice dams are overly complicated rooflines. [continue reading]

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Carpenter's Omission

Author: Zolton Cohen
May 06, 2009

My wife and I moved into our 1917 American Foursquare house 21 years ago. Before the first winter, we had a contractor blow the sidewalls full of insulation. While he was doing the job, he remarked that ... [continue reading]

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Sealing Attic Hatches

September 04, 2007

Research points to some surprising recommendations for attic hatch installation - thin is not in. [continue reading]

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Cool Roofs Cool the Planet

September 11, 2006

There's an important, although little-known, advantage to cool roofs: They help cool the planet. [continue reading]

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Cool-Colored Roofs

June 08, 2006

Until recently, cool roofing products came only in light shades. Now a wider range of colors and materials are available. [continue reading]

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Greening Your Roof

Author: Jim LaRue
May 01, 2006

        Trying to green or sustain any building component these days is like trying to watch a moving target, and roofs are a prime example. In this column, I’... [continue reading]

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Cool-Colored Roofs

March 02, 2006

        Cool roofs cut cooling loads by up to 20% through the use of reflective materials that limit solar heat gain.A conventional cool roof features light-colored surfaces—shades that ... [continue reading]

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Building Performance Journal Editors

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Is Energy Efficiency an American Value?

Jim Gunshinan

Is Energy Efficiency an American Value?

Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.

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