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Positive News For a Carbon-Negative World More Passive House buildings are being built and certified across North America. With the help of local organizations like Passive House California, and the 2020 Title 24 updates, the Golden State is pushing the envelope in building efficiency. These building codes are squarely aimed at lowe … read more

Bringing Light into a Historic Toronto Home This project from Architect Terrell Wong tackles two great green measures right away: as a renovation, it transforms a historic building into a newly updated efficient building (the greenest building is the one already there), and it converted this single-family into a two-family (yay for … read more

475's Top Ten Most-Read Blog Posts of 2019 Popularity may be a metric best left in high school, yet, in the age of web analytics, we can’t help but wonder who our audience voted Most Likely To Succeed. By the numbers, here’s what you and your fellow 475 blog readers were most interested in. What’s your favorite post, and why? Is yours … read more

New Day School Brings A New Day for Early Education When New Day School, a Neo-Humanist preschool in Southeast Portland Oregon, looked for a team to execute the design and renovation of their Kishalay Building, Green Hammer Design Build’s passion for stewardship, balance and wellbeing was in harmony with the school’s own focus on co … read more

Weather Resistive Barrier Cheat Sheet A guide to advantages and differences between Pro Clima exterior membranes If you’ve spent your days thinking WRBs are just a required, code-minimum, flimsy sheets of No.15 Felt (per IBC 1404 or IRC 703.2), Grade D building paper (per ASTM D226), or spunbonded olefin housewrap; all with little dif … read more

Student Builders Lead The Way at Studio 804 INTELLO Plus Delivers Airtightness on Stunning University of Kansas Collaboration If the high performance building movement is going to change the construction industry as we know it, we not only need to deliver comfort, safety, and efficiency; we also need beauty. The student team at Stu … read more