Musings of an Energy Nerd

How To Do Everything

Posted on October 14, 2011 by GBA Team

A collection of links to dozens of
“How To” articles, culled from
Martin Holladay’s Energy Nerd blogs

UPDATED on November 20, 2015

Day Three at GreenBuild: John Picard’s Vision of the Future

Posted on October 8, 2011 by Martin Holladay, GBA Advisor

Have you ever paid $8 for a movie ticket and still had to sit through commercial messages in the theater before they showed the main feature?

Commercial messages are an established part of the American way of doing business, and we’ve all learned how to sit through them when necessary. The same rules apply at a major conference like GreenBuild as at your local Cineplex. Even if you pay $700 for a ticket, you still have to sit through a few ads.

At national conferences, some speakers are invited because they are experts in their field. Others buy their way on stage.

Report from Day Two of GreenBuild

Posted on October 7, 2011 by Martin Holladay, GBA Advisor

The crowds at the GreenBuild conference in Toronto are daunting; according to USGBCUnited States Green Building Council (USGBC). Organization devoted to promoting and certifying green buildings. USGBC created the LEED rating systems., there are 23,000 attendees this year. As an indefatigable journalist, however, I've managed to survive the crush to board the escalators and have patiently waited my turn in the long lines that form to use the rest room.

If you're interested in new products, check out my photos from the trade-show floor.

If you want to get a flavor of some of the information provided in the presentations, I've culled a few memorable quotes for you to enjoy.

GreenBuild Conference Opens in Toronto

Posted on October 5, 2011 by Martin Holladay, GBA Advisor

The GreenBuild conference in Toronto, Ontario, opened its gates on October 5, 2011. This is the first time that the U.S. Green Building Council has held its annual conference outside of the United States.

How to Install Rigid Foam Sheathing

Posted on September 30, 2011 by Martin Holladay, GBA Advisor

UPDATED on July 20, 2015

What’s the best way to install foam insulation on the outside of a wall?

Although has published many articles and videos on the topic, we continue to receive frequent questions from readers asking how to install rigid foam sheathingMaterial, usually plywood or oriented strand board (OSB), but sometimes wooden boards, installed on the exterior of wall studs, rafters, or roof trusses; siding or roofing installed on the sheathing—sometimes over strapping to create a rainscreen. on exterior walls — so it’s time to provide a primer on the topic.

Air Sealing With Sprayable Caulk

Posted on September 23, 2011 by Martin Holladay, GBA Advisor

Homes insulated with fiberglass batts are leakier than homes insulated with cellulose or spray polyurethane foam. Until recently, fiberglass batt manufacturers shrugged off the damning air-leakage data, insisting that their batts could deliver the R-valueMeasure of resistance to heat flow; the higher the R-value, the lower the heat loss. The inverse of U-factor. promised on the packaging — and then changed the subject.

An Overview of the 2012 Energy Code

Posted on September 16, 2011 by Martin Holladay, GBA Advisor

UPDATED and CORRECTED on 9/22/2011

Are you ready for the 2012 code? Each revision of the International codes tends to ratchet up energy performance requirements, and the 2012 revision is no exception.

Although its adoption may be a long ways off in some jurisdictions — after all, many rural areas of the U.S. still have no building codes at all — the 2012 International codes may become law in some areas as soon as next year.

New Green Building Products — September 2011

Posted on September 9, 2011 by Martin Holladay, GBA Advisor

About every six months, I report on new products that catch my eye. This round-up features products from both sides of the Atlantic Ocean: high-performance windows from Maine, Ontario, and Lithuania; high-performance doors from Poland; and high-performance tapes from Switzerland.

Spray Foam Jobs With Lingering Odor Problems

Posted on September 2, 2011 by Martin Holladay, GBA Advisor

Should spray polyurethane foam be installed in an occupied house? Hundreds of spray foam contractors around the country are happy to answer “Yes!” In almost all cases, these jobs end successfully: the spray foam improves the home’s thermal performance and the homeowner is happy.

Installing Mineral Wool Insulation Over Exterior Wall Sheathing

Posted on August 26, 2011 by Martin Holladay, GBA Advisor

A subset of green builders have always been grumpy about foam. Such builders look at rigid foam panels and spray foam as suspect products: they are made from petroleum, laced with mysterious chemicals, and impermeable to vapor flow.

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