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Product Guide Blown Insulation

Getting to Know Spider Insulation

Posted on April 02,2015 by AlexWilson in blown-in fiberglass

We’ve just completed the installation of a relatively new and (at least in New England) little-known insulation material called Spider. As a reminder, the house we are renovating (really rebuilding) in Dummerston, Vermont, has provided an opportunity to try out dozens of innovative products and materials that I’ve long researched and written about in Environmental Building News.

Can Cellulose be Used in an Unvented Roof?

Posted on April 02,2015 by ScottG in cellulose

Dean Manoogian has a Cape Cod style house in Portland, Maine, and is puzzling over the best way to retrofit the roof with rigid foam insulation. Working with both an insulation company and a roofing contractor, Manoogian has come up with a plan: apply 2-in. rigid foam on the interior of the dormered roof and then fill the rafter bays with dense-packed cellulose.

How to Install Cellulose Insulation

Posted on April 02,2015 by user-756436 in cellulose

In some parts of the U.S. — notably northern New England — cellulose insulation has been widely used for more than 30 years. In other parts of the U.S., however, cellulose insulation is just beginning to gain traction. Of course, cellulose insulation is installed with different techniques than those used to install fiberglass batts or spray foam. To help explain these techniques to builders who are unfamiliar with cellulose, we decided to interview Bill Hulstrunk, the technical manager at National Fiber, a manufacturer of cellulose insulation in Belchertown, Massachusetts.

Solar Decathlon 2011: Middlebury College’s Self-Reliance House

Posted on April 02,2015 by Fretboard in Department of Energy

The individualist spirit that became Ralph Waldo Emerson’s calling card found a home at the 2011 Solar Decathlon when the team representing Middlebury College decided to name its entry Self-Reliance, after the title of one of Emerson’s most famous essays on the virtues and challenges of independent thought, originality, and action. Not surprisingly, the name is intended to be more than a tribute to one of New England’s best-known philosophers. The Middlebury team wants the project to bring Emersonian ideals to life.

Deep Energy Retrofit: Focus on the Envelope

Posted on April 02,2015 by ChrisBriley in Green Architects Lounge

This is part two of the Green Architects' Lounge three-part series on deep energy retrofits. In this episode, Phil and I discuss what we believe is the most crucial part of a DER: the exterior building envelope. There is no single solution. Here, we must be nimble and thoughtful, and deal with the structure that we're given and apply the skills we've learned (and by we, I mean all of you listeners as well).

What Is a Deep Energy Retrofit?

Posted on April 02,2015 by ChrisBriley in Green Architects Lounge

I recently heard that a good blog is like a red party dress: long enough to cover the important parts, but short enough to maintain one's attention. By that measure, the Green Architects' Lounge podcast episodes are like royal wedding gowns with long trains that flow down the aisle. This is great if you like wedding gowns, but ... Because we feel that many short dresses are better than a single long one, we've decided to divide our episodes into smaller, more manageable parts, and release them with greater frequency. (Time to switch metaphors...)

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