The most recent blogs at Green Building Advisor

How to Retrofit a Roof with Insulation

Posted on July 11, 2011 by Scott Gibson in Q&A Spotlight

Finding effective ways of beefing up under-insulated roofs is a perennial problem, affecting countless houses built to minimum energy standards.

Even roofs that meet minimum code requirements are susceptible to thermal bridgingHeat flow that occurs across more conductive components in an otherwise well-insulated material, resulting in disproportionately significant heat loss. For example, steel studs in an insulated wall dramatically reduce the overall energy performance of the wall, because of thermal bridging through the steel. when only the rafter bays are insulated.

An ‘Insulating’ Paint Salesman Is Tripped Up By His Own Product

Posted on July 8, 2011 by Martin Holladay, GBA Advisor in Musings of an Energy Nerd

There is no such thing as “insulating” paint, as I noted in an earlier blog. However, that fact hasn’t stopped paint dealers from promoting these worthless high-priced coatings to gullible customers.

Are We Doomed As a Society?

Posted on July 7, 2011 by Carl Seville, GBA Advisor in Green Building Curmudgeon

I saw a commercial the other day for Ford vehicles that promoted their “Drive Green” initiative, in which they stress various sustainable attributes of their vehicles and company. Being a natural skeptic, I expected a fair amount of greenwashing and unsubstantiated claims in their marketing, and, in fact, I was not disappointed.

AWARE: A Sustainable Housing Initiative in Ohio

Posted on July 7, 2011 by GBA Team in Green Communities

By Kim Stands

In 2009, the City of Columbus and Franklin County created and adopted the AWARE Manual (Accessibility, Water Conservation, Air Quality, Resource Conscious, Energy-Efficient) to be the performance standard for federally funded residential projects in both jurisdictions.

Blog Review: The Art of Construction

Posted on July 7, 2011 by Scott Gibson in Green Building Blog

You’ll have to do a bit of sleuthing if you want any background information on the author of "The Art of Construction.” There’s no handy “contact” link on the home page, no “history” page, no photo. Not even a name, just “posted by RR” at the bottom of the entries.

So I started at the beginning, with the first two posts written by Richard Reilly in August 2008.

Recycled Content in Building Products: Should You Care?

Posted on July 6, 2011 by Tristan Roberts in Energy Solutions

I was up at Scott Farm here in Vermont last week for my company’s summer picnic. This week’s sun may have burned away the pain of the last few weeks, but the rain last week, and many other recent weeks, has been unstoppable. Just when you thought you had a few minutes to play horseshoes in the drizzle, the full-scale rain was back, sending you back under the eaves with your drink and your Frisbee (yes, that’s Frisbee horseshoes).

Solar Decathlon 2011: The Re_home from Illinois

Posted on July 5, 2011 by Richard Defendorf in 2011 Solar Decathlon

A flood, tornado, hurricane, or earthquake might dissipate relatively quickly, but the damage it causes can last for years. That concern is at the heart of Re_home, the Solar Decathlon project developed by the University of Illinois at Urbana-Champaign.

How to Protect Structural Insulated Panels from Decay

Posted on July 4, 2011 by Scott Gibson in Q&A Spotlight

UPDATED on July 7, 2011 with comments from Tedd Benson

Jay Hersh is building a house in northern Vermont that will have a roof of structural insulated panels. Although his plans are fairly advanced, Hersh is still stumped about detailing the SIP(SIP) Building panel usually made of oriented strand board (OSB) skins surrounding a core of expanded polystyrene (EPS) foam insulation. SIPs can be erected very quickly with a crane to create an energy-efficient, sturdy home. seams to prevent the migration of moisture-laden air from inside to outside. He's also looking for a foolproof way of heading off any leaks from the outside.

More Job Site Visits in Maine

Posted on July 1, 2011 by Martin Holladay, GBA Advisor in Musings of an Energy Nerd

On my second day in Maine, I toured seven energy-efficient buildings in various stages of construction. In last week’s blog, I reported on my visit to Richard Renner’s office and Jesse Thompson’s house. This blog picks up the story with a report on my visit to three sites: an ongoing deep-energy retrofit project, a new home in Falmouth, and an unusual co-housing project.

If you're the type of reader who prefers pictures to words, you're in luck: this week's blog is loaded with photos.

Blog Review: The Green Spotlight

Posted on June 30, 2011 by Scott Gibson in Green Building Blog

Miriam Landman describes herself as a writer, accredited LEEDLeadership in Energy and Environmental Design. LEED for Homes is the residential green building program from the United States Green Building Council (USGBC). While this program is primarily designed for and applicable to new home projects, major gut rehabs can qualify. professional, former reporter/producer for public radio’s Living on Earth, and the founder of M. Landman Communications & Consulting.

She also has written Green Homes case studies for GBAGreenBuildingAdvisor.com, including one about a home made of composite ICFs, and another about a California renovation.

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