Attics & Crawl Spaces

Spotlight Article:

Attics & Crawl Spaces

Attics and crawls are not appendages but integral organs of the system

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Attics & Crawl Spaces

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December 29, 2015

Attics and crawls are not appendages but integral organs of the system [continue reading]

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Hempcrete: Eco-Friendly and Unique

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September 28, 2015

Using hemp as an insulator might seem far-fetched. Laughable even. But this green sustainable material just might be the answer to many builders’ problems. Here’s why you should give it a chance. [continue reading]

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Honey, why is water dripping from the ceiling when it's bright and sunny outside?

Author: Bob Wendt
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January 01, 2015

This past February I received the following e-mail: Hi, Guys, We've had trouble with water spots on the ceiling since late last fall, and our builder tells us it's the result of melting snow—... [continue reading]

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V-Strip Weather Strip Update: Two Years Later

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November 21, 2014

An important factor in the airtightness of a building, and its energy efficiency, is the amount of infiltration allowed through closed windows and doors. Typical old double-hung windows are especially prone to infiltration. [continue reading]

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Reflective-Insulation and Radiant-Barrier Systems

Author: Luke Rogers
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December 30, 2013

A reflective-insulation system consists of a low-e surface, like aluminum, which is installed facing an enclosed air space. Enclosed air typically has an R-value of about R-1 per inch, but by reducing the radiant-heat transfer ... [continue reading]

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Unvented Attics: Encapsulating with Spray Polyurethane Foam

Author: Brett Dillon
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November 01, 2013

The idea behind venting to remove moisture is to allow it to escape out. Unfortunately in humid climates, it's much more complicated. [continue reading]

Energy Innovation

Rick Barnett

Energy Innovation

Space conditioning is the biggest piece of the residential energy pie, and thermal shell improvement is a homeowner's best opportunity ...

The Future is Now—Or At Least Nearer with ORNL’s 3D-Printed House and Car

Marlene Taylor

The Future is Now—Or At Least Nearer with ORNL’s 3D-Printed House and Car

Energy supplies and efficiency in new home construction took an interesting turn when researchers at Oak Ridge National Laboratory (ORNL) ...

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