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Project Spotlight: Raising the Roof by Bringing Light to New Spaces

Project Spotlight: Raising the Roof by Bringing Light to New Spaces

Project Spotlight: Raising the Roof by Bringing Light to New Spaces Project name: 19 Father Francis Location: Boston, Massachusetts, USA Project type: Top floor apartment of a 7-story building Date or time frame of construction: Skylights were installed and project was completed in Fall of 2019 Architect: Butz and Klug Builder: … read more

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The Quantum Passivhaus Way: Combining Award-Winning Preservation With Pre-Fab Passive House Methods In Ontario

The Quantum Passivhaus Way: Combining Award-Winning Preservation With Pre-Fab Passive House Methods In Ontario

The Quantum Passivhaus Way: Combining Award-Winning Preservation With Pre-Fab Passive House Methods In Ontario Project name: Elora Schoolhouse - 37 McNab Street Location: Elora, Ontario, Canada Project type: Single-family home on heritage site, preservation + Quantum Passivhaus engineered PHI certified pre-fab panel system Date o … read more

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475 Co-Founder Ken Levenson Appointed Executive Director of NAPHN

475 Co-Founder Ken Levenson Appointed Executive Director of NAPHN

475 Co-Founder Ken Levenson Appointed Executive Director of North American Passive House Network Ken Levenson and Floris Keverling Buisman founded 475 High Performance Building Supply in 2011 to help transform the way we design and build in North America: toward low-carbon, super-low-energy, safe, and natural construction guided by Pa … read more

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Adhesive Bonds and Failures: What's Going On?

Adhesive Bonds and Failures: What's Going On?

Adhesive Bonds and Failures: What’s Going On? Adhesives are foundational to airtight and watertight enclosures. It is essential that the adhesives we use bond for as much as 50 years, 100 years, or longer. How do we know when we have the right kind of adhesion? What are the different ways a tape's adhesion will be able to provide us wi … read more

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5 Tricks of the Trade For Thick, Dense-Packed Walls Behind Pro Clima Membranes

5 Tricks of the Trade For Thick, Dense-Packed Walls Behind Pro Clima Membranes

5 Tricks of the Trade For Thick, Dense-Packed Walls Behind Pro Clima Membranes With contributions by Matthew Brennan, National Sales Manager at Thermocell; Jesse Matthews, Quality Control at RDH (formerly carpenter at The Fourth Pig Green and Natural Construction). At 475, a large number of projects we work on use dense-pack cellulo … read more

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The Value of Air and Vapor Control

The Value of Air and Vapor Control

The Value of Air and Vapor Control Foundational Elements Of High Performance Enclosures We’ve heard the chorus of misinformation throughout years of speaking to builders across North America: “Buildings need to breathe – you’ll destroy them if you make them airtight”. “In a cold climate, if you don’t put a vapor barrier on the inside o … read more

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