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California Low-Carbon Builders, Cairn Collaborative, Walk Through The Details On Their Latest Passive House Watch this video series from Cairn Collaborative on Bishop Passive House. By thoroughly explaining the design principles of Passive House and working with the needs of the homeowners, Cairn Collaborative’s YouTube … read more

Smoke Season and Protecting Your Indoor Air Quality If you live in the West, you are surely tired of the ongoing, and seemingly ever-expanding, wildfire season. This year, more than 2 million acres of land have burned in California alone and another 800,000 acres have burned in Oregon and Washington. With wildfires becoming more frequ … read more

Studio 804 Demonstrates an Innovative and Efficient Shelter Solution For the last several years, 475 has partnered with Studio 804, a hands-on, design-build graduate program at the University of Kansas School of Architecture and Design. Each year, Studio 804 undertakes a distinct project with a focus on energy efficiency and sustainab … read more

How To Prep A Window Opening With ADHERO 475’s Shaun St-Amour was called to the job site of a Geography Contracting project in Vancouver, BC to answer some questions about how to best prepare window openings when using ADHERO fully adhered membrane as your WRB. Even if you didn't spend a fortune on your windows, a proper window ins … read more

How To Use The AEROFIXX Spray And Seal Airtightness Tool The AEROFIXX spray and seal application tool makes quick work of difficult and hard-to-reach air sealing jobs. It connects to standard compressors to easily apply liquid-applied airtight membranes anywhere from wall or ceiling surfaces to hard-to-reach gaps. The AEROFIXX is fo … read more

CONTEGA HF 100-Year-Adhesion HOW DO YOU TEST FOR 100 YEARS? Independent tests at the University of Kassel in Germany have confirmed it: CONTEGA HF achieves 100-year-adhesion. Of course, researchers didn’t just watch the product age for 100 years. Instead, they subjected CONTEGA HF (trademarked as ORCON F outside of North America) … read more