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The National Green Building Standard Turns 20(20)

The National Green Building Standard, AKA NGBS Green, is a residential green building certification program that has continued to grow in popularity.  Also known as ICC-700, it has been revised twice since the now-retired 2008 version was released. Currently, the 2015 version is available for use throughout the U.S., and the 2012 version is available for registration through December 2019 in 22 states that have not yet adopted the 2012 or later IECC.  The program is managed by Home Innovation Research Labs, previously known as the NAHB Research Center, a well-respected building science and standards organization. Being an ANSI standard, it…

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Efficient Walls on a Budget

Writing from somewhere in the Pacific Northwest, Joe Norm is looking for advice on selecting a wall assembly that will perform well without breaking the bank. “Building in Zone 4C Marine, and looking for a budget efficient wall assembly,” Norm writes in a Q&A post. “Climate here is not extreme, so I do not plan on having a 4-inch foam wrap or anything that colder zone people will do. But stopping thermal bridging in some fashion seems like a no-brainer.” Norm has ruled out structural insulated panels (SIPs), and he’d like to avoid spray foam if possible. With those conditions…

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Insulation Demand Continues to Grow

Insulation Demand Continues to Grow | 2019-03-01 | Walls & Ceilings This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more. This Website Uses CookiesBy closing this message or continuing to use our site, you agree to our cookie policy. Learn More This website requires certain cookies to work…

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Big Data Gains Traction with Contractors

Big Data Gains Traction with Contractors | 2019-03-01 | Walls & Ceilings This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more. This Website Uses CookiesBy closing this message or continuing to use our site, you agree to our cookie policy. Learn More This website requires certain cookies to…

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Demilec Spray Foam Named Year’s Best Green Building Product

A closed-cell spray foam with lower greenhouse gas emissions than conventional formulations has been named best green product of the year at the International Builders' Show. [Image credit: Green Solutions Insulation / CC BY-SA] A spray polyurethane foam using a next-generation blowing agent that lowers the foam’s greenhouse gas emissions has been named the “best green building product” at this year’s International Builders’ Show. An announcement from the National Association of Home Builders, which sponsors the annual industry gathering, named a total of 10 products in its Best of IBS Awards. They included Andersen Windows (best in show), solar shingles…

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A Promising Start for Cleaner Buildings in California

Energy upgrades such as heat-pump water heaters are part of a plan in California to reduce carbon emissions from buildings. Currently, about 90% of the state's water heaters and furnaces run on natural gas or propane. [Image credit: Rheem] The California Utilities Commission has now launched the process for implementing a new law to make the state’s homes more climate-friendly and affordable to heat. The commission is also considering other broad measures aimed at decarbonizing California’s buildings. The focus on buildings is necessary and arguably overdue. California recently set a goal of becoming carbon neutral by 2045, and the state…

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