Building Envelope

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Aggregating Options: Ekotrope's HomeSeed Energy Modeling Software

Don't start another green building project without a software analysis to determine the best products and techniques. More

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New Design Values Being Considered for Southern Pine

The American Lumber Standard Committee considers expanded, updated design values for southern pine. More

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Testing the Envelope: 2012 Energy Code Testing Details

The 2012 International Energy Conservation Code includes mandatory pressure and duct testing. Here are the details. More

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Alignment Isn't Optional: A Tale of Insulation and Thermal Boundaries

ED VOYTOVICH tells the whole story on an insulation project in northern New York. The ice dams, the insulation, the lot. More

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Attic Air Sealing: Some Pointers From the DOE

A tight attic not only reduces a home's energy costs, it also improves indoor air quality and comfort. The DOE offers some tips. More

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Is Spray Polyurethane Foam Dangerous to Use? Installation is Key

Ed Voytovich discusses the pros and cons of SPF and the important role of the installer. More

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Walled In: Superior Walls Xi Plus Pre-Cast Insulated Concrete Panels

Multiple layers of insulation help these pre-cast concrete panels achieve upward of R-42 for warm, dry foundations. More

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Sizing up Green: Combining Big Size With Sustainability Goals

VertHaus, a New Jersey green developer, retrofits homes on spec. In this example, the home's footprint increased from 2,300 to 5,000 square feet. Can it still be considered green? More

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Dupont StraightFlash VF

Super-sticky flashing ties windows and doors into the building envelope to keep water out. More

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Deceuninck Revolution Tilt-and-Turn Window

The multi-operational Revolution Tilt-and-Turn is reinforced with Innergy inserts to improve thermal performance. More

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